| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=instcombine -S | FileCheck %s |
| ; These should be InstSimplify checks, but most of the code |
| ; is currently only in InstCombine. TODO: move supporting code |
| |
| declare void @use(i8) |
| declare void @use_vec(<2 x i8>) |
| |
| ; Definitely out of range |
| define i1 @test_nonzero(ptr nocapture readonly %arg) { |
| ; CHECK-LABEL: @test_nonzero( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %val = load i32, ptr %arg, !range !0 |
| %rval = icmp ne i32 %val, 0 |
| ret i1 %rval |
| } |
| define i1 @test_nonzero2(ptr nocapture readonly %arg) { |
| ; CHECK-LABEL: @test_nonzero2( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %val = load i32, ptr %arg, !range !0 |
| %rval = icmp eq i32 %val, 0 |
| ret i1 %rval |
| } |
| |
| ; Potentially in range |
| define i1 @test_nonzero3(ptr nocapture readonly %arg) { |
| ; CHECK-LABEL: @test_nonzero3( |
| ; CHECK-NEXT: [[VAL:%.*]] = load i32, ptr [[ARG:%.*]], align 4, !range [[RNG0:![0-9]+]] |
| ; CHECK-NEXT: [[RVAL:%.*]] = icmp ne i32 [[VAL]], 0 |
| ; CHECK-NEXT: ret i1 [[RVAL]] |
| ; |
| ; Check that this does not trigger - it wouldn't be legal |
| %val = load i32, ptr %arg, !range !1 |
| %rval = icmp ne i32 %val, 0 |
| ret i1 %rval |
| } |
| |
| ; Definitely in range |
| define i1 @test_nonzero4(ptr nocapture readonly %arg) { |
| ; CHECK-LABEL: @test_nonzero4( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %val = load i8, ptr %arg, !range !2 |
| %rval = icmp ne i8 %val, 0 |
| ret i1 %rval |
| } |
| |
| define i1 @test_nonzero5(ptr nocapture readonly %arg) { |
| ; CHECK-LABEL: @test_nonzero5( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %val = load i8, ptr %arg, !range !2 |
| %rval = icmp ugt i8 %val, 0 |
| ret i1 %rval |
| } |
| |
| ; Cheaper checks (most values in range meet requirements) |
| define i1 @test_nonzero6(ptr %argw) { |
| ; CHECK-LABEL: @test_nonzero6( |
| ; CHECK-NEXT: [[VAL:%.*]] = load i8, ptr [[ARGW:%.*]], align 1, !range [[RNG1:![0-9]+]] |
| ; CHECK-NEXT: [[RVAL:%.*]] = icmp ne i8 [[VAL]], 0 |
| ; CHECK-NEXT: ret i1 [[RVAL]] |
| ; |
| %val = load i8, ptr %argw, !range !3 |
| %rval = icmp sgt i8 %val, 0 |
| ret i1 %rval |
| } |
| |
| ; Constant not in range, should return true. |
| define i1 @test_not_in_range(ptr nocapture readonly %arg) { |
| ; CHECK-LABEL: @test_not_in_range( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %val = load i32, ptr %arg, !range !0 |
| %rval = icmp ne i32 %val, 6 |
| ret i1 %rval |
| } |
| |
| ; Constant in range, can not fold. |
| define i1 @test_in_range(ptr nocapture readonly %arg) { |
| ; CHECK-LABEL: @test_in_range( |
| ; CHECK-NEXT: [[VAL:%.*]] = load i32, ptr [[ARG:%.*]], align 4, !range [[RNG2:![0-9]+]] |
| ; CHECK-NEXT: [[RVAL:%.*]] = icmp ne i32 [[VAL]], 3 |
| ; CHECK-NEXT: ret i1 [[RVAL]] |
| ; |
| %val = load i32, ptr %arg, !range !0 |
| %rval = icmp ne i32 %val, 3 |
| ret i1 %rval |
| } |
| |
| ; Values in range greater than constant. |
| define i1 @test_range_sgt_constant(ptr nocapture readonly %arg) { |
| ; CHECK-LABEL: @test_range_sgt_constant( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %val = load i32, ptr %arg, !range !0 |
| %rval = icmp sgt i32 %val, 0 |
| ret i1 %rval |
| } |
| |
| ; Values in range less than constant. |
| define i1 @test_range_slt_constant(ptr nocapture readonly %arg) { |
| ; CHECK-LABEL: @test_range_slt_constant( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %val = load i32, ptr %arg, !range !0 |
| %rval = icmp sgt i32 %val, 6 |
| ret i1 %rval |
| } |
| |
| ; Values in union of multiple sub ranges not equal to constant. |
| define i1 @test_multi_range1(ptr nocapture readonly %arg) { |
| ; CHECK-LABEL: @test_multi_range1( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %val = load i32, ptr %arg, !range !4 |
| %rval = icmp ne i32 %val, 0 |
| ret i1 %rval |
| } |
| |
| ; Values in multiple sub ranges not equal to constant, but in |
| ; union of sub ranges could possibly equal to constant. This |
| ; in theory could also be folded and might be implemented in |
| ; the future if shown profitable in practice. |
| define i1 @test_multi_range2(ptr nocapture readonly %arg) { |
| ; CHECK-LABEL: @test_multi_range2( |
| ; CHECK-NEXT: [[VAL:%.*]] = load i32, ptr [[ARG:%.*]], align 4, !range [[RNG3:![0-9]+]] |
| ; CHECK-NEXT: [[RVAL:%.*]] = icmp ne i32 [[VAL]], 7 |
| ; CHECK-NEXT: ret i1 [[RVAL]] |
| ; |
| %val = load i32, ptr %arg, !range !4 |
| %rval = icmp ne i32 %val, 7 |
| ret i1 %rval |
| } |
| |
| ; Values' ranges overlap each other, so it can not be simplified. |
| define i1 @test_two_ranges(ptr nocapture readonly %arg1, ptr nocapture readonly %arg2) { |
| ; CHECK-LABEL: @test_two_ranges( |
| ; CHECK-NEXT: [[VAL1:%.*]] = load i32, ptr [[ARG1:%.*]], align 4, !range [[RNG4:![0-9]+]] |
| ; CHECK-NEXT: [[VAL2:%.*]] = load i32, ptr [[ARG2:%.*]], align 4, !range [[RNG5:![0-9]+]] |
| ; CHECK-NEXT: [[RVAL:%.*]] = icmp ult i32 [[VAL2]], [[VAL1]] |
| ; CHECK-NEXT: ret i1 [[RVAL]] |
| ; |
| %val1 = load i32, ptr %arg1, !range !5 |
| %val2 = load i32, ptr %arg2, !range !6 |
| %rval = icmp ult i32 %val2, %val1 |
| ret i1 %rval |
| } |
| |
| ; Values' ranges overlap each other, so it can not be simplified. |
| define i1 @test_two_attribute_ranges(i32 range(i32 5, 10) %arg1, i32 range(i32 8, 16) %arg2) { |
| ; CHECK-LABEL: @test_two_attribute_ranges( |
| ; CHECK-NEXT: [[RVAL:%.*]] = icmp ult i32 [[ARG1:%.*]], [[ARG2:%.*]] |
| ; CHECK-NEXT: ret i1 [[RVAL]] |
| ; |
| %rval = icmp ult i32 %arg2, %arg1 |
| ret i1 %rval |
| } |
| |
| ; Values' ranges do not overlap each other, so it can simplified to false. |
| define i1 @test_two_ranges2(ptr nocapture readonly %arg1, ptr nocapture readonly %arg2) { |
| ; CHECK-LABEL: @test_two_ranges2( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %val1 = load i32, ptr %arg1, !range !0 |
| %val2 = load i32, ptr %arg2, !range !6 |
| %rval = icmp ult i32 %val2, %val1 |
| ret i1 %rval |
| } |
| |
| ; Values' ranges do not overlap each other, so it can simplified to false. |
| define i1 @test_two_argument_ranges(i32 range(i32 1, 6) %arg1, i32 range(i32 8, 16) %arg2) { |
| ; CHECK-LABEL: @test_two_argument_ranges( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %rval = icmp ult i32 %arg2, %arg1 |
| ret i1 %rval |
| } |
| |
| ; Values' ranges do not overlap each other, so it can simplified to false. |
| define i1 @test_one_range_and_one_argument_range(ptr nocapture readonly %arg1, i32 range(i32 8, 16) %arg2) { |
| ; CHECK-LABEL: @test_one_range_and_one_argument_range( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %val1 = load i32, ptr %arg1, !range !0 |
| %rval = icmp ult i32 %arg2, %val1 |
| ret i1 %rval |
| } |
| |
| ; Values' ranges do not overlap each other, so it can simplified to false. |
| define i1 @test_one_argument_range_and_one_range(i32 range(i32 1, 6) %arg1, ptr nocapture readonly %arg2) { |
| ; CHECK-LABEL: @test_one_argument_range_and_one_range( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %val1 = load i32, ptr %arg2, !range !6 |
| %rval = icmp ult i32 %val1, %arg1 |
| ret i1 %rval |
| } |
| |
| ; Values' ranges do not overlap each other, so it can simplified to true. |
| define i1 @test_two_ranges3(ptr nocapture readonly %arg1, ptr nocapture readonly %arg2) { |
| ; CHECK-LABEL: @test_two_ranges3( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %val1 = load i32, ptr %arg1, !range !0 |
| %val2 = load i32, ptr %arg2, !range !6 |
| %rval = icmp ugt i32 %val2, %val1 |
| ret i1 %rval |
| } |
| |
| ; Values' ranges overlap each other, so it can not be simplified. |
| define <2 x i1> @test_two_ranges_vec(ptr nocapture readonly %arg1, ptr nocapture readonly %arg2) { |
| ; CHECK-LABEL: @test_two_ranges_vec( |
| ; CHECK-NEXT: [[VAL1:%.*]] = load <2 x i32>, ptr [[ARG1:%.*]], align 8, !range [[RNG4]] |
| ; CHECK-NEXT: [[VAL2:%.*]] = load <2 x i32>, ptr [[ARG2:%.*]], align 8, !range [[RNG5]] |
| ; CHECK-NEXT: [[RVAL:%.*]] = icmp ult <2 x i32> [[VAL2]], [[VAL1]] |
| ; CHECK-NEXT: ret <2 x i1> [[RVAL]] |
| ; |
| %val1 = load <2 x i32>, ptr %arg1, !range !5 |
| %val2 = load <2 x i32>, ptr %arg2, !range !6 |
| %rval = icmp ult <2 x i32> %val2, %val1 |
| ret <2 x i1> %rval |
| } |
| |
| ; Values' ranges do not overlap each other, so it can simplified to false. |
| define <2 x i1> @test_two_ranges_vec_false(ptr nocapture readonly %arg1, ptr nocapture readonly %arg2) { |
| ; CHECK-LABEL: @test_two_ranges_vec_false( |
| ; CHECK-NEXT: ret <2 x i1> zeroinitializer |
| ; |
| %val1 = load <2 x i32>, ptr %arg1, !range !0 |
| %val2 = load <2 x i32>, ptr %arg2, !range !6 |
| %rval = icmp ult <2 x i32> %val2, %val1 |
| ret <2 x i1> %rval |
| } |
| |
| ; Values' ranges do not overlap each other, so it can simplified to true. |
| define <2 x i1> @test_two_ranges_vec_true(ptr nocapture readonly %arg1, ptr nocapture readonly %arg2) { |
| ; CHECK-LABEL: @test_two_ranges_vec_true( |
| ; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true> |
| ; |
| %val1 = load <2 x i32>, ptr %arg1, !range !0 |
| %val2 = load <2 x i32>, ptr %arg2, !range !6 |
| %rval = icmp ugt <2 x i32> %val2, %val1 |
| ret <2 x i1> %rval |
| } |
| |
| ; Values' ranges overlap each other, so it can not be simplified. |
| define <2 x i1> @test_two_argument_ranges_vec(<2 x i32> range(i32 5, 10) %arg1, <2 x i32> range(i32 8, 16) %arg2) { |
| ; CHECK-LABEL: @test_two_argument_ranges_vec( |
| ; CHECK-NEXT: [[RVAL:%.*]] = icmp ult <2 x i32> [[VAL2:%.*]], [[VAL1:%.*]] |
| ; CHECK-NEXT: ret <2 x i1> [[RVAL]] |
| ; |
| %rval = icmp ult <2 x i32> %arg2, %arg1 |
| ret <2 x i1> %rval |
| } |
| |
| ; Values' ranges do not overlap each other, so it can simplified to false. |
| define <2 x i1> @test_two_argument_ranges_vec_false(<2 x i32> range(i32 1, 6) %arg1, <2 x i32> range(i32 8, 16) %arg2) { |
| ; CHECK-LABEL: @test_two_argument_ranges_vec_false( |
| ; CHECK-NEXT: ret <2 x i1> zeroinitializer |
| ; |
| %rval = icmp ult <2 x i32> %arg2, %arg1 |
| ret <2 x i1> %rval |
| } |
| |
| ; Values' ranges do not overlap each other, so it can simplified to true. |
| define <2 x i1> @test_two_argument_ranges_vec_true(<2 x i32> range(i32 1, 6) %arg1, <2 x i32> range(i32 8, 16) %arg2) { |
| ; CHECK-LABEL: @test_two_argument_ranges_vec_true( |
| ; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true> |
| ; |
| %rval = icmp ugt <2 x i32> %arg2, %arg1 |
| ret <2 x i1> %rval |
| } |
| |
| declare i32 @create_range1() |
| declare range(i32 8, 16) i32 @create_range2() |
| declare range(i32 1, 6) i32 @create_range3() |
| |
| ; Values' ranges overlap each other, so it can not be simplified. |
| define i1 @test_two_return_attribute_ranges_not_simplified() { |
| ; CHECK-LABEL: @test_two_return_attribute_ranges_not_simplified( |
| ; CHECK-NEXT: [[ARG2:%.*]] = call range(i32 5, 10) i32 @create_range1() |
| ; CHECK-NEXT: [[ARG1:%.*]] = call i32 @create_range2() |
| ; CHECK-NEXT: [[RVAL:%.*]] = icmp ult i32 [[ARG1]], [[ARG2]] |
| ; CHECK-NEXT: ret i1 [[RVAL]] |
| ; |
| %val1 = call range(i32 5, 10) i32 @create_range1() |
| %val2 = call i32 @create_range2() |
| %rval = icmp ult i32 %val2, %val1 |
| ret i1 %rval |
| } |
| |
| ; Values' ranges do not overlap each other, so it can simplified to false. |
| define i1 @test_two_return_attribute_ranges_one_in_call() { |
| ; CHECK-LABEL: @test_two_return_attribute_ranges_one_in_call( |
| ; CHECK-NEXT: [[VAL1:%.*]] = call range(i32 1, 6) i32 @create_range1() |
| ; CHECK-NEXT: [[ARG1:%.*]] = call i32 @create_range2() |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %val1 = call range(i32 1, 6) i32 @create_range1() |
| %val2 = call i32 @create_range2() |
| %rval = icmp ult i32 %val2, %val1 |
| ret i1 %rval |
| } |
| |
| ; Values' ranges do not overlap each other, so it can simplified to false. |
| define i1 @test_two_return_attribute_ranges() { |
| ; CHECK-LABEL: @test_two_return_attribute_ranges( |
| ; CHECK-NEXT: [[VAL1:%.*]] = call i32 @create_range3() |
| ; CHECK-NEXT: [[ARG1:%.*]] = call i32 @create_range2() |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %val1 = call i32 @create_range3() |
| %val2 = call i32 @create_range2() |
| %rval = icmp ult i32 %val2, %val1 |
| ret i1 %rval |
| } |
| |
| ; Values' ranges do not overlap each other, so it can simplified to false. |
| define i1 @test_one_return_argument_and_one_argument_range(i32 range(i32 8, 16) %arg1) { |
| ; CHECK-LABEL: @test_one_return_argument_and_one_argument_range( |
| ; CHECK-NEXT: [[VAL1:%.*]] = call i32 @create_range3() |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %val1 = call i32 @create_range3() |
| %rval = icmp ult i32 %arg1, %val1 |
| ret i1 %rval |
| } |
| |
| ; Values' ranges do not overlap each other, so it can simplified to false. |
| define i1 @test_one_range_and_one_return_argument(ptr nocapture readonly %arg1) { |
| ; CHECK-LABEL: @test_one_range_and_one_return_argument( |
| ; CHECK-NEXT: [[VAL1:%.*]] = call i32 @create_range3() |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %val1 = call i32 @create_range3() |
| %val2 = load i32, ptr %arg1, !range !6 |
| %rval = icmp ult i32 %val2, %val1 |
| ret i1 %rval |
| } |
| |
| define i1 @ugt_zext(i1 %b, i8 %x) { |
| ; CHECK-LABEL: @ugt_zext( |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X:%.*]], 0 |
| ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %z = zext i1 %b to i8 |
| %r = icmp ugt i8 %z, %x |
| ret i1 %r |
| } |
| |
| define <2 x i1> @ult_zext(<2 x i1> %b, <2 x i8> %p) { |
| ; CHECK-LABEL: @ult_zext( |
| ; CHECK-NEXT: [[X:%.*]] = mul <2 x i8> [[P:%.*]], [[P]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq <2 x i8> [[X]], zeroinitializer |
| ; CHECK-NEXT: [[R:%.*]] = and <2 x i1> [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret <2 x i1> [[R]] |
| ; |
| %x = mul <2 x i8> %p, %p ; thwart complexity-based canonicalization |
| %z = zext <2 x i1> %b to <2 x i8> |
| %r = icmp ult <2 x i8> %x, %z |
| ret <2 x i1> %r |
| } |
| |
| ; negative test - need ult/ugt |
| |
| define i1 @uge_zext(i1 %b, i8 %x) { |
| ; CHECK-LABEL: @uge_zext( |
| ; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: [[R:%.*]] = icmp uge i8 [[Z]], [[X:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %z = zext i1 %b to i8 |
| %r = icmp uge i8 %z, %x |
| ret i1 %r |
| } |
| |
| ; negative test - need ult/ugt |
| |
| define i1 @ule_zext(i1 %b, i8 %p) { |
| ; CHECK-LABEL: @ule_zext( |
| ; CHECK-NEXT: [[X:%.*]] = mul i8 [[P:%.*]], [[P]] |
| ; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: [[R:%.*]] = icmp ule i8 [[X]], [[Z]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %x = mul i8 %p, %p ; thwart complexity-based canonicalization |
| %z = zext i1 %b to i8 |
| %r = icmp ule i8 %x, %z |
| ret i1 %r |
| } |
| |
| ; negative test - extra use |
| |
| define i1 @ugt_zext_use(i1 %b, i8 %x) { |
| ; CHECK-LABEL: @ugt_zext_use( |
| ; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: call void @use(i8 [[Z]]) |
| ; CHECK-NEXT: [[R:%.*]] = icmp ugt i8 [[Z]], [[X:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %z = zext i1 %b to i8 |
| call void @use(i8 %z) |
| %r = icmp ugt i8 %z, %x |
| ret i1 %r |
| } |
| |
| ; negative test - must be zext of i1 |
| |
| define i1 @ult_zext_not_i1(i2 %b, i8 %x) { |
| ; CHECK-LABEL: @ult_zext_not_i1( |
| ; CHECK-NEXT: [[Z:%.*]] = zext i2 [[B:%.*]] to i8 |
| ; CHECK-NEXT: [[R:%.*]] = icmp ugt i8 [[Z]], [[X:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %z = zext i2 %b to i8 |
| %r = icmp ult i8 %x, %z |
| ret i1 %r |
| } |
| |
| ; sub is eliminated |
| |
| define i1 @sub_ult_zext(i1 %b, i8 %x, i8 %y) { |
| ; CHECK-LABEL: @sub_ult_zext( |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %z = zext i1 %b to i8 |
| %s = sub i8 %x, %y |
| %r = icmp ult i8 %s, %z |
| ret i1 %r |
| } |
| |
| define i1 @zext_ult_zext(i1 %b, i8 %p) { |
| ; CHECK-LABEL: @zext_ult_zext( |
| ; CHECK-NEXT: [[X:%.*]] = mul i8 [[P:%.*]], [[P]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X]], 0 |
| ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %x = mul i8 %p, %p ; thwart complexity-based canonicalization |
| %z = zext i1 %b to i16 |
| %zx = zext i8 %x to i16 |
| %r = icmp ult i16 %zx, %z |
| ret i1 %r |
| } |
| |
| ; match and fold even if both sides are zexts (from different source types) |
| |
| define i1 @zext_ugt_zext(i1 %b, i4 %x) { |
| ; CHECK-LABEL: @zext_ugt_zext( |
| ; CHECK-NEXT: [[ZX:%.*]] = zext i4 [[X:%.*]] to i8 |
| ; CHECK-NEXT: call void @use(i8 [[ZX]]) |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i4 [[X]], 0 |
| ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %z = zext i1 %b to i8 |
| %zx = zext i4 %x to i8 |
| call void @use(i8 %zx) |
| %r = icmp ugt i8 %z, %zx |
| ret i1 %r |
| } |
| |
| ; negative test - must be zext of i1 |
| |
| define i1 @sub_ult_zext_not_i1(i2 %b, i8 %x, i8 %y) { |
| ; CHECK-LABEL: @sub_ult_zext_not_i1( |
| ; CHECK-NEXT: [[Z:%.*]] = zext i2 [[B:%.*]] to i8 |
| ; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[S]], [[Z]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %z = zext i2 %b to i8 |
| %s = sub i8 %x, %y |
| %r = icmp ult i8 %s, %z |
| ret i1 %r |
| } |
| |
| ; negative test - extra use (but we could try harder to fold this) |
| |
| define i1 @sub_ult_zext_use1(i1 %b, i8 %x, i8 %y) { |
| ; CHECK-LABEL: @sub_ult_zext_use1( |
| ; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: call void @use(i8 [[Z]]) |
| ; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[S]], [[Z]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %z = zext i1 %b to i8 |
| call void @use(i8 %z) |
| %s = sub i8 %x, %y |
| %r = icmp ult i8 %s, %z |
| ret i1 %r |
| } |
| |
| define <2 x i1> @zext_ugt_sub_use2(<2 x i1> %b, <2 x i8> %x, <2 x i8> %y) { |
| ; CHECK-LABEL: @zext_ugt_sub_use2( |
| ; CHECK-NEXT: [[S:%.*]] = sub <2 x i8> [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: call void @use_vec(<2 x i8> [[S]]) |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq <2 x i8> [[X]], [[Y]] |
| ; CHECK-NEXT: [[R:%.*]] = and <2 x i1> [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret <2 x i1> [[R]] |
| ; |
| %z = zext <2 x i1> %b to <2 x i8> |
| %s = sub <2 x i8> %x, %y |
| call void @use_vec(<2 x i8> %s) |
| %r = icmp ugt <2 x i8> %z, %s |
| ret <2 x i1> %r |
| } |
| |
| define i1 @sub_ult_zext_use3(i1 %b, i8 %x, i8 %y) { |
| ; CHECK-LABEL: @sub_ult_zext_use3( |
| ; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: call void @use(i8 [[Z]]) |
| ; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: call void @use(i8 [[S]]) |
| ; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[S]], [[Z]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %z = zext i1 %b to i8 |
| call void @use(i8 %z) |
| %s = sub i8 %x, %y |
| call void @use(i8 %s) |
| %r = icmp ult i8 %s, %z |
| ret i1 %r |
| } |
| |
| define i1 @sub_ule_zext(i1 %b, i8 %x, i8 %y) { |
| ; CHECK-LABEL: @sub_ule_zext( |
| ; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[R:%.*]] = icmp ule i8 [[S]], [[Z]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %z = zext i1 %b to i8 |
| %s = sub i8 %x, %y |
| %r = icmp ule i8 %s, %z |
| ret i1 %r |
| } |
| |
| define <2 x i1> @sub_ult_and(<2 x i8> %b, <2 x i8> %x, <2 x i8> %y) { |
| ; CHECK-LABEL: @sub_ult_and( |
| ; CHECK-NEXT: [[A:%.*]] = and <2 x i8> [[B:%.*]], <i8 1, i8 1> |
| ; CHECK-NEXT: [[S:%.*]] = sub <2 x i8> [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[R:%.*]] = icmp ult <2 x i8> [[S]], [[A]] |
| ; CHECK-NEXT: ret <2 x i1> [[R]] |
| ; |
| %a = and <2 x i8> %b, <i8 1, i8 1> |
| %s = sub <2 x i8> %x, %y |
| %r = icmp ult <2 x i8> %s, %a |
| ret <2 x i1> %r |
| } |
| |
| define i1 @and_ugt_sub(i8 %b, i8 %x, i8 %y) { |
| ; CHECK-LABEL: @and_ugt_sub( |
| ; CHECK-NEXT: [[A:%.*]] = and i8 [[B:%.*]], 1 |
| ; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[R:%.*]] = icmp ugt i8 [[A]], [[S]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %a = and i8 %b, 1 |
| %s = sub i8 %x, %y |
| %r = icmp ugt i8 %a, %s |
| ret i1 %r |
| } |
| |
| ; Repeat the zext set of tests with a sext instead. |
| |
| define i1 @uge_sext(i1 %b, i8 %x) { |
| ; CHECK-LABEL: @uge_sext( |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X:%.*]], 0 |
| ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %s = sext i1 %b to i8 |
| %r = icmp uge i8 %s, %x |
| ret i1 %r |
| } |
| |
| define <2 x i1> @ule_sext(<2 x i1> %b, <2 x i8> %p) { |
| ; CHECK-LABEL: @ule_sext( |
| ; CHECK-NEXT: [[X:%.*]] = mul <2 x i8> [[P:%.*]], [[P]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq <2 x i8> [[X]], zeroinitializer |
| ; CHECK-NEXT: [[R:%.*]] = or <2 x i1> [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret <2 x i1> [[R]] |
| ; |
| %x = mul <2 x i8> %p, %p ; thwart complexity-based canonicalization |
| %s = sext <2 x i1> %b to <2 x i8> |
| %r = icmp ule <2 x i8> %x, %s |
| ret <2 x i1> %r |
| } |
| |
| ; negative test - need ule/uge |
| |
| define i1 @ugt_sext(i1 %b, i8 %x) { |
| ; CHECK-LABEL: @ugt_sext( |
| ; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: [[R:%.*]] = icmp ugt i8 [[S]], [[X:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %s = sext i1 %b to i8 |
| %r = icmp ugt i8 %s, %x |
| ret i1 %r |
| } |
| |
| ; negative test - need ule/uge |
| |
| define i1 @ult_sext(i1 %b, i8 %p) { |
| ; CHECK-LABEL: @ult_sext( |
| ; CHECK-NEXT: [[X:%.*]] = mul i8 [[P:%.*]], [[P]] |
| ; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[X]], [[S]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %x = mul i8 %p, %p ; thwart complexity-based canonicalization |
| %s = sext i1 %b to i8 |
| %r = icmp ult i8 %x, %s |
| ret i1 %r |
| } |
| |
| ; negative test - extra use |
| |
| define i1 @uge_sext_use(i1 %b, i8 %x) { |
| ; CHECK-LABEL: @uge_sext_use( |
| ; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: call void @use(i8 [[S]]) |
| ; CHECK-NEXT: [[R:%.*]] = icmp uge i8 [[S]], [[X:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %s = sext i1 %b to i8 |
| call void @use(i8 %s) |
| %r = icmp uge i8 %s, %x |
| ret i1 %r |
| } |
| |
| ; negative test - must be sext of i1 |
| |
| define i1 @ule_sext_not_i1(i2 %b, i8 %x) { |
| ; CHECK-LABEL: @ule_sext_not_i1( |
| ; CHECK-NEXT: [[S:%.*]] = sext i2 [[B:%.*]] to i8 |
| ; CHECK-NEXT: [[R:%.*]] = icmp uge i8 [[S]], [[X:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %s = sext i2 %b to i8 |
| %r = icmp ule i8 %x, %s |
| ret i1 %r |
| } |
| |
| ; sub is eliminated |
| |
| define i1 @sub_ule_sext(i1 %b, i8 %x, i8 %y) { |
| ; CHECK-LABEL: @sub_ule_sext( |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %s = sext i1 %b to i8 |
| %d = sub i8 %x, %y |
| %r = icmp ule i8 %d, %s |
| ret i1 %r |
| } |
| |
| define i1 @sext_ule_sext(i1 %b, i8 %p) { |
| ; CHECK-LABEL: @sext_ule_sext( |
| ; CHECK-NEXT: [[X:%.*]] = mul i8 [[P:%.*]], [[P]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X]], 0 |
| ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %x = mul i8 %p, %p ; thwart complexity-based canonicalization |
| %s = sext i1 %b to i16 |
| %sx = sext i8 %x to i16 |
| %r = icmp ule i16 %sx, %s |
| ret i1 %r |
| } |
| |
| ; match and fold even if both sides are sexts (from different source types) |
| |
| define i1 @sext_uge_sext(i1 %b, i4 %x) { |
| ; CHECK-LABEL: @sext_uge_sext( |
| ; CHECK-NEXT: [[SX:%.*]] = sext i4 [[X:%.*]] to i8 |
| ; CHECK-NEXT: call void @use(i8 [[SX]]) |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i4 [[X]], 0 |
| ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %s = sext i1 %b to i8 |
| %sx = sext i4 %x to i8 |
| call void @use(i8 %sx) |
| %r = icmp uge i8 %s, %sx |
| ret i1 %r |
| } |
| |
| ; negative test - must be sext of i1 |
| |
| define i1 @sub_ule_sext_not_i1(i2 %b, i8 %x, i8 %y) { |
| ; CHECK-LABEL: @sub_ule_sext_not_i1( |
| ; CHECK-NEXT: [[S:%.*]] = sext i2 [[B:%.*]] to i8 |
| ; CHECK-NEXT: [[D:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[R:%.*]] = icmp ule i8 [[D]], [[S]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %s = sext i2 %b to i8 |
| %d = sub i8 %x, %y |
| %r = icmp ule i8 %d, %s |
| ret i1 %r |
| } |
| |
| ; negative test - extra use (but we could try harder to fold this) |
| |
| define i1 @sub_ule_sext_use1(i1 %b, i8 %x, i8 %y) { |
| ; CHECK-LABEL: @sub_ule_sext_use1( |
| ; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: call void @use(i8 [[S]]) |
| ; CHECK-NEXT: [[D:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[R:%.*]] = icmp ule i8 [[D]], [[S]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %s = sext i1 %b to i8 |
| call void @use(i8 %s) |
| %d = sub i8 %x, %y |
| %r = icmp ule i8 %d, %s |
| ret i1 %r |
| } |
| |
| define <2 x i1> @sext_uge_sub_use2(<2 x i1> %b, <2 x i8> %x, <2 x i8> %y) { |
| ; CHECK-LABEL: @sext_uge_sub_use2( |
| ; CHECK-NEXT: [[D:%.*]] = sub <2 x i8> [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: call void @use_vec(<2 x i8> [[D]]) |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq <2 x i8> [[X]], [[Y]] |
| ; CHECK-NEXT: [[R:%.*]] = or <2 x i1> [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret <2 x i1> [[R]] |
| ; |
| %s = sext <2 x i1> %b to <2 x i8> |
| %d = sub <2 x i8> %x, %y |
| call void @use_vec(<2 x i8> %d) |
| %r = icmp uge <2 x i8> %s, %d |
| ret <2 x i1> %r |
| } |
| |
| define i1 @sub_ule_sext_use3(i1 %b, i8 %x, i8 %y) { |
| ; CHECK-LABEL: @sub_ule_sext_use3( |
| ; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: call void @use(i8 [[S]]) |
| ; CHECK-NEXT: [[D:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: call void @use(i8 [[D]]) |
| ; CHECK-NEXT: [[R:%.*]] = icmp ule i8 [[D]], [[S]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %s = sext i1 %b to i8 |
| call void @use(i8 %s) |
| %d = sub i8 %x, %y |
| call void @use(i8 %d) |
| %r = icmp ule i8 %d, %s |
| ret i1 %r |
| } |
| |
| define i1 @sub_ult_sext(i1 %b, i8 %x, i8 %y) { |
| ; CHECK-LABEL: @sub_ult_sext( |
| ; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: [[D:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[D]], [[S]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %s = sext i1 %b to i8 |
| %d = sub i8 %x, %y |
| %r = icmp ult i8 %d, %s |
| ret i1 %r |
| } |
| |
| define <2 x i1> @sub_ule_ashr(<2 x i8> %b, <2 x i8> %x, <2 x i8> %y) { |
| ; CHECK-LABEL: @sub_ule_ashr( |
| ; CHECK-NEXT: [[A:%.*]] = ashr <2 x i8> [[B:%.*]], <i8 7, i8 7> |
| ; CHECK-NEXT: [[S:%.*]] = sub <2 x i8> [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[R:%.*]] = icmp ule <2 x i8> [[S]], [[A]] |
| ; CHECK-NEXT: ret <2 x i1> [[R]] |
| ; |
| %a = ashr <2 x i8> %b, <i8 7, i8 7> |
| %s = sub <2 x i8> %x, %y |
| %r = icmp ule <2 x i8> %s, %a |
| ret <2 x i1> %r |
| } |
| |
| define i1 @ashr_uge_sub(i8 %b, i8 %x, i8 %y) { |
| ; CHECK-LABEL: @ashr_uge_sub( |
| ; CHECK-NEXT: [[A:%.*]] = ashr i8 [[B:%.*]], 7 |
| ; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[R:%.*]] = icmp uge i8 [[A]], [[S]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %a = ashr i8 %b, 7 |
| %s = sub i8 %x, %y |
| %r = icmp uge i8 %a, %s |
| ret i1 %r |
| } |
| |
| ; (zext i1 a) + (sext i1 b)) s< -1 --> false |
| |
| define i1 @zext_sext_add_icmp_slt_minus1(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_slt_minus1( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| %r = icmp slt i8 %add, -1 |
| ret i1 %r |
| } |
| |
| ; (zext i1 a) + (sext i1 b)) s> 1 --> false |
| |
| define i1 @zext_sext_add_icmp_sgt_1(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_sgt_1( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| %r = icmp sgt i8 %add, 1 |
| ret i1 %r |
| } |
| |
| ; (zext i1 a) + (sext i1 b)) s> -2 --> true |
| |
| define i1 @zext_sext_add_icmp_sgt_minus2(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_sgt_minus2( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| %r = icmp sgt i8 %add, -2 |
| ret i1 %r |
| } |
| |
| ; (zext i1 a) + (sext i1 b)) s< 2 --> true |
| |
| define i1 @zext_sext_add_icmp_slt_2(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_slt_2( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| %r = icmp slt i8 %add, 2 |
| ret i1 %r |
| } |
| |
| ; test case with i128 |
| |
| define i1 @zext_sext_add_icmp_i128(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_i128( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %zext.a = zext i1 %a to i128 |
| %sext.b = sext i1 %b to i128 |
| %add = add i128 %zext.a, %sext.b |
| %r = icmp sgt i128 %add, 9223372036854775808 |
| ret i1 %r |
| } |
| |
| ; (zext i1 a) + (sext i1 b)) == -1 --> ~a & b |
| |
| define i1 @zext_sext_add_icmp_eq_minus1(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_eq_minus1( |
| ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[A:%.*]], true |
| ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| %r = icmp eq i8 %add, -1 |
| ret i1 %r |
| } |
| |
| |
| ; (zext i1 a) + (sext i1 b)) != -1 --> a | ~b |
| |
| define i1 @zext_sext_add_icmp_ne_minus1(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_ne_minus1( |
| ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[B:%.*]], true |
| ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[A:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| %r = icmp ne i8 %add, -1 |
| ret i1 %r |
| } |
| |
| ; (zext i1 a) + (sext i1 b)) s> -1 --> a | ~b |
| |
| define i1 @zext_sext_add_icmp_sgt_minus1(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_sgt_minus1( |
| ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[B:%.*]], true |
| ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[A:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| %r = icmp sgt i8 %add, -1 |
| ret i1 %r |
| } |
| |
| ; (zext i1 a) + (sext i1 b)) u< -1 --> a | ~b |
| |
| define i1 @zext_sext_add_icmp_ult_minus1(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_ult_minus1( |
| ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[B:%.*]], true |
| ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[A:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| %r = icmp ult i8 %add, -1 |
| ret i1 %r |
| } |
| |
| ; (zext i1 a) + (sext i1 b)) s> 0 --> a & ~b |
| |
| define i1 @zext_sext_add_icmp_sgt_0(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_sgt_0( |
| ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[B:%.*]], true |
| ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[A:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| %r = icmp sgt i8 %add, 0 |
| ret i1 %r |
| } |
| |
| ; (zext i1 a) + (sext i1 b)) s< 0 --> ~a & b |
| |
| define i1 @zext_sext_add_icmp_slt_0(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_slt_0( |
| ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[A:%.*]], true |
| ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| %r = icmp slt i8 %add, 0 |
| ret i1 %r |
| } |
| |
| ; (zext i1 a) + (sext i1 b)) == 1 --> a & ~b |
| |
| define i1 @zext_sext_add_icmp_eq_1(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_eq_1( |
| ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[B:%.*]], true |
| ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[A:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| %r = icmp eq i8 %add, 1 |
| ret i1 %r |
| } |
| |
| ; (zext i1 a) + (sext i1 b)) != 1 --> ~a | b |
| |
| define i1 @zext_sext_add_icmp_ne_1(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_ne_1( |
| ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[A:%.*]], true |
| ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| %r = icmp ne i8 %add, 1 |
| ret i1 %r |
| } |
| |
| ; (zext i1 a) + (sext i1 b)) s< 1 --> ~a | b |
| |
| define i1 @zext_sext_add_icmp_slt_1(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_slt_1( |
| ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[A:%.*]], true |
| ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| %r = icmp slt i8 %add, 1 |
| ret i1 %r |
| } |
| |
| ; (zext i1 a) + (sext i1 b)) u> 1 --> ~a & b |
| |
| define i1 @zext_sext_add_icmp_ugt_1(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_ugt_1( |
| ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[A:%.*]], true |
| ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| %r = icmp ugt i8 %add, 1 |
| ret i1 %r |
| } |
| |
| define <2 x i1> @vector_zext_sext_add_icmp_slt_1(<2 x i1> %a, <2 x i1> %b) { |
| ; CHECK-LABEL: @vector_zext_sext_add_icmp_slt_1( |
| ; CHECK-NEXT: [[TMP1:%.*]] = xor <2 x i1> [[A:%.*]], <i1 true, i1 true> |
| ; CHECK-NEXT: [[R:%.*]] = or <2 x i1> [[TMP1]], [[B:%.*]] |
| ; CHECK-NEXT: ret <2 x i1> [[R]] |
| ; |
| %zext.a = zext <2 x i1> %a to <2 x i8> |
| %sext.b = sext <2 x i1> %b to <2 x i8> |
| %add = add <2 x i8> %zext.a, %sext.b |
| %r = icmp slt <2 x i8> %add, <i8 1, i8 1> |
| ret <2 x i1> %r |
| } |
| |
| define <2 x i1> @vector_zext_sext_add_icmp_slt_1_poison(<2 x i1> %a, <2 x i1> %b) { |
| ; CHECK-LABEL: @vector_zext_sext_add_icmp_slt_1_poison( |
| ; CHECK-NEXT: [[ZEXT_A:%.*]] = zext <2 x i1> [[A:%.*]] to <2 x i8> |
| ; CHECK-NEXT: [[SEXT_B:%.*]] = sext <2 x i1> [[B:%.*]] to <2 x i8> |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw <2 x i8> [[ZEXT_A]], [[SEXT_B]] |
| ; CHECK-NEXT: [[R:%.*]] = icmp slt <2 x i8> [[ADD]], <i8 1, i8 poison> |
| ; CHECK-NEXT: ret <2 x i1> [[R]] |
| ; |
| %zext.a = zext <2 x i1> %a to <2 x i8> |
| %sext.b = sext <2 x i1> %b to <2 x i8> |
| %add = add <2 x i8> %zext.a, %sext.b |
| %r = icmp slt <2 x i8> %add, <i8 1, i8 poison> |
| ret <2 x i1> %r |
| } |
| |
| define i1 @zext_sext_add_icmp_slt_minus_1_no_oneuse(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_slt_minus_1_no_oneuse( |
| ; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8 |
| ; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]] |
| ; CHECK-NEXT: call void @use(i8 [[ADD]]) |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| call void @use(i8 %add) |
| %r = icmp slt i8 %add, -1 |
| ret i1 %r |
| } |
| |
| define i1 @zext_sext_add_icmp_sgt_1_no_oneuse(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_sgt_1_no_oneuse( |
| ; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8 |
| ; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]] |
| ; CHECK-NEXT: call void @use(i8 [[ADD]]) |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| call void @use(i8 %add) |
| %r = icmp sgt i8 %add, 1 |
| ret i1 %r |
| } |
| |
| define i1 @zext_sext_add_icmp_slt_2_no_oneuse(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_slt_2_no_oneuse( |
| ; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8 |
| ; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]] |
| ; CHECK-NEXT: call void @use(i8 [[ADD]]) |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| call void @use(i8 %add) |
| %r = icmp slt i8 %add, 2 |
| ret i1 %r |
| } |
| |
| define i1 @zext_sext_add_icmp_sgt_mins_2_no_oneuse(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_sgt_mins_2_no_oneuse( |
| ; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8 |
| ; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]] |
| ; CHECK-NEXT: call void @use(i8 [[ADD]]) |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| call void @use(i8 %add) |
| %r = icmp sgt i8 %add, -2 |
| ret i1 %r |
| } |
| |
| ; Negative test, more than one use for icmp LHS |
| |
| define i1 @zext_sext_add_icmp_slt_1_no_oneuse(i1 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_slt_1_no_oneuse( |
| ; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8 |
| ; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]] |
| ; CHECK-NEXT: call void @use(i8 [[ADD]]) |
| ; CHECK-NEXT: [[R:%.*]] = icmp slt i8 [[ADD]], 1 |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| call void @use(i8 %add) |
| %r = icmp slt i8 %add, 1 |
| ret i1 %r |
| } |
| |
| ; Negative test, icmp RHS is not a constant |
| |
| define i1 @zext_sext_add_icmp_slt_1_rhs_not_const(i1 %a, i1 %b, i8 %c) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_slt_1_rhs_not_const( |
| ; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8 |
| ; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]] |
| ; CHECK-NEXT: [[R:%.*]] = icmp slt i8 [[ADD]], [[C:%.*]] |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %zext.a = zext i1 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| %r = icmp slt i8 %add, %c |
| ret i1 %r |
| } |
| |
| ; Negative test, ext source is not i1 |
| |
| define i1 @zext_sext_add_icmp_slt_1_type_not_i1(i2 %a, i1 %b) { |
| ; CHECK-LABEL: @zext_sext_add_icmp_slt_1_type_not_i1( |
| ; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i2 [[A:%.*]] to i8 |
| ; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]] |
| ; CHECK-NEXT: [[R:%.*]] = icmp slt i8 [[ADD]], 1 |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %zext.a = zext i2 %a to i8 |
| %sext.b = sext i1 %b to i8 |
| %add = add i8 %zext.a, %sext.b |
| %r = icmp slt i8 %add, 1 |
| ret i1 %r |
| } |
| |
| define i1 @icmp_eq_bool_0(ptr %ptr) { |
| ; CHECK-LABEL: @icmp_eq_bool_0( |
| ; CHECK-NEXT: [[VAL:%.*]] = load i64, ptr [[PTR:%.*]], align 8, !range [[RNG6:![0-9]+]] |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 [[VAL]], 0 |
| ; CHECK-NEXT: ret i1 [[CMP]] |
| ; |
| %val = load i64, ptr %ptr, align 8, !range !{i64 0, i64 2} |
| %cmp = icmp eq i64 %val, 0 |
| ret i1 %cmp |
| } |
| |
| define i1 @icmp_eq_bool_1(ptr %ptr) { |
| ; CHECK-LABEL: @icmp_eq_bool_1( |
| ; CHECK-NEXT: [[VAL:%.*]] = load i64, ptr [[PTR:%.*]], align 8, !range [[RNG6]] |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i64 [[VAL]], 0 |
| ; CHECK-NEXT: ret i1 [[CMP]] |
| ; |
| %val = load i64, ptr %ptr, align 8, !range !{i64 0, i64 2} |
| %cmp = icmp eq i64 %val, 1 |
| ret i1 %cmp |
| } |
| |
| define i1 @icmp_ne_bool_0(ptr %ptr) { |
| ; CHECK-LABEL: @icmp_ne_bool_0( |
| ; CHECK-NEXT: [[VAL:%.*]] = load i64, ptr [[PTR:%.*]], align 8, !range [[RNG6]] |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i64 [[VAL]], 0 |
| ; CHECK-NEXT: ret i1 [[CMP]] |
| ; |
| %val = load i64, ptr %ptr, align 8, !range !{i64 0, i64 2} |
| %cmp = icmp ne i64 %val, 0 |
| ret i1 %cmp |
| } |
| |
| define i1 @icmp_ne_bool_1(ptr %ptr) { |
| ; CHECK-LABEL: @icmp_ne_bool_1( |
| ; CHECK-NEXT: [[VAL:%.*]] = load i64, ptr [[PTR:%.*]], align 8, !range [[RNG6]] |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 [[VAL]], 0 |
| ; CHECK-NEXT: ret i1 [[CMP]] |
| ; |
| %val = load i64, ptr %ptr, align 8, !range !{i64 0, i64 2} |
| %cmp = icmp ne i64 %val, 1 |
| ret i1 %cmp |
| } |
| |
| ; Tests from PR65073 |
| define i1 @icmp_ne_zext_eq_zero(i32 %a) { |
| ; CHECK-LABEL: @icmp_ne_zext_eq_zero( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %cmp = icmp eq i32 %a, 0 |
| %conv = zext i1 %cmp to i32 |
| %cmp1 = icmp ne i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_ne_zext_ne_zero(i32 %a) { |
| ; CHECK-LABEL: @icmp_ne_zext_ne_zero( |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt i32 [[A:%.*]], 1 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp ne i32 %a, 0 |
| %conv = zext i1 %cmp to i32 |
| %cmp1 = icmp ne i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_eq_zext_eq_zero(i32 %a) { |
| ; CHECK-LABEL: @icmp_eq_zext_eq_zero( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %cmp = icmp eq i32 %a, 0 |
| %conv = zext i1 %cmp to i32 |
| %cmp1 = icmp eq i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_eq_zext_ne_zero(i32 %a) { |
| ; CHECK-LABEL: @icmp_eq_zext_ne_zero( |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[A:%.*]], 2 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp ne i32 %a, 0 |
| %conv = zext i1 %cmp to i32 |
| %cmp1 = icmp eq i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_ne_zext_eq_one(i32 %a) { |
| ; CHECK-LABEL: @icmp_ne_zext_eq_one( |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt i32 [[A:%.*]], 1 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp eq i32 %a, 1 |
| %conv = zext i1 %cmp to i32 |
| %cmp1 = icmp ne i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_ne_zext_ne_one(i32 %a) { |
| ; CHECK-LABEL: @icmp_ne_zext_ne_one( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %cmp = icmp ne i32 %a, 1 |
| %conv = zext i1 %cmp to i32 |
| %cmp1 = icmp ne i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_eq_zext_eq_one(i32 %a) { |
| ; CHECK-LABEL: @icmp_eq_zext_eq_one( |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[A:%.*]], 2 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp eq i32 %a, 1 |
| %conv = zext i1 %cmp to i32 |
| %cmp1 = icmp eq i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_eq_zext_ne_one(i32 %a) { |
| ; CHECK-LABEL: @icmp_eq_zext_ne_one( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %cmp = icmp ne i32 %a, 1 |
| %conv = zext i1 %cmp to i32 |
| %cmp1 = icmp eq i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_ne_zext_eq_non_boolean(i32 %a) { |
| ; CHECK-LABEL: @icmp_ne_zext_eq_non_boolean( |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[A:%.*]], 0 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp eq i32 %a, 2 |
| %conv = zext i1 %cmp to i32 |
| %cmp1 = icmp ne i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_ne_zext_ne_non_boolean(i32 %a) { |
| ; CHECK-LABEL: @icmp_ne_zext_ne_non_boolean( |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[A:%.*]], 1 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp ne i32 %a, 2 |
| %conv = zext i1 %cmp to i32 |
| %cmp1 = icmp ne i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_eq_zext_eq_non_boolean(i32 %a) { |
| ; CHECK-LABEL: @icmp_eq_zext_eq_non_boolean( |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], 0 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp eq i32 %a, 2 |
| %conv = zext i1 %cmp to i32 |
| %cmp1 = icmp eq i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_eq_zext_ne_non_boolean(i32 %a) { |
| ; CHECK-LABEL: @icmp_eq_zext_ne_non_boolean( |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], 1 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp ne i32 %a, 2 |
| %conv = zext i1 %cmp to i32 |
| %cmp1 = icmp eq i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define <2 x i1> @icmp_ne_zext_eq_zero_vec(<2 x i32> %a) { |
| ; CHECK-LABEL: @icmp_ne_zext_eq_zero_vec( |
| ; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true> |
| ; |
| %cmp = icmp eq <2 x i32> %a, <i32 0, i32 0> |
| %conv = zext <2 x i1> %cmp to <2 x i32> |
| %cmp1 = icmp ne <2 x i32> %conv, %a |
| ret <2 x i1> %cmp1 |
| } |
| |
| define <2 x i1> @icmp_ne_zext_ne_zero_vec(<2 x i32> %a) { |
| ; CHECK-LABEL: @icmp_ne_zext_ne_zero_vec( |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt <2 x i32> [[A:%.*]], <i32 1, i32 1> |
| ; CHECK-NEXT: ret <2 x i1> [[CMP1]] |
| ; |
| %cmp = icmp ne <2 x i32> %a, <i32 0, i32 0> |
| %conv = zext <2 x i1> %cmp to <2 x i32> |
| %cmp1 = icmp ne <2 x i32> %conv, %a |
| ret <2 x i1> %cmp1 |
| } |
| |
| define <2 x i1> @icmp_ne_zext_eq_one_vec(<2 x i32> %a) { |
| ; CHECK-LABEL: @icmp_ne_zext_eq_one_vec( |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt <2 x i32> [[A:%.*]], <i32 1, i32 1> |
| ; CHECK-NEXT: ret <2 x i1> [[CMP1]] |
| ; |
| %cmp = icmp eq <2 x i32> %a, <i32 1, i32 1> |
| %conv = zext <2 x i1> %cmp to <2 x i32> |
| %cmp1 = icmp ne <2 x i32> %conv, %a |
| ret <2 x i1> %cmp1 |
| } |
| |
| define <2 x i1> @icmp_ne_zext_ne_one_vec(<2 x i32> %a) { |
| ; CHECK-LABEL: @icmp_ne_zext_ne_one_vec( |
| ; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true> |
| ; |
| %cmp = icmp ne <2 x i32> %a, <i32 1, i32 1> |
| %conv = zext <2 x i1> %cmp to <2 x i32> |
| %cmp1 = icmp ne <2 x i32> %conv, %a |
| ret <2 x i1> %cmp1 |
| } |
| |
| define <2 x i1> @icmp_ne_zext_eq_non_boolean_vec(<2 x i32> %a) { |
| ; CHECK-LABEL: @icmp_ne_zext_eq_non_boolean_vec( |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne <2 x i32> [[A:%.*]], zeroinitializer |
| ; CHECK-NEXT: ret <2 x i1> [[CMP1]] |
| ; |
| %cmp = icmp eq <2 x i32> %a, <i32 2, i32 2> |
| %conv = zext <2 x i1> %cmp to <2 x i32> |
| %cmp1 = icmp ne <2 x i32> %conv, %a |
| ret <2 x i1> %cmp1 |
| } |
| |
| define i1 @icmp_ne_sext_eq_zero(i32 %a) { |
| ; CHECK-LABEL: @icmp_ne_sext_eq_zero( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %cmp = icmp eq i32 %a, 0 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp ne i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_ne_sext_ne_zero(i32 %a) { |
| ; CHECK-LABEL: @icmp_ne_sext_ne_zero( |
| ; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[A:%.*]], -1 |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[TMP1]], -2 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp ne i32 %a, 0 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp ne i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_eq_sext_eq_zero(i32 %a) { |
| ; CHECK-LABEL: @icmp_eq_sext_eq_zero( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %cmp = icmp eq i32 %a, 0 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp eq i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_eq_sext_ne_zero(i32 %a) { |
| ; CHECK-LABEL: @icmp_eq_sext_ne_zero( |
| ; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[A:%.*]], 1 |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[TMP1]], 2 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp ne i32 %a, 0 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp eq i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_ne_sext_eq_allones(i32 %a) { |
| ; CHECK-LABEL: @icmp_ne_sext_eq_allones( |
| ; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[A:%.*]], -1 |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[TMP1]], -2 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp eq i32 %a, -1 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp ne i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_ne_sext_ne_allones(i32 %a) { |
| ; CHECK-LABEL: @icmp_ne_sext_ne_allones( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %cmp = icmp ne i32 %a, -1 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp ne i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_eq_sext_eq_allones(i32 %a) { |
| ; CHECK-LABEL: @icmp_eq_sext_eq_allones( |
| ; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[A:%.*]], 1 |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[TMP1]], 2 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp eq i32 %a, -1 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp eq i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_eq_sext_ne_allones(i32 %a) { |
| ; CHECK-LABEL: @icmp_eq_sext_ne_allones( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %cmp = icmp ne i32 %a, -1 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp eq i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_ne_sext_eq_otherwise(i32 %a) { |
| ; CHECK-LABEL: @icmp_ne_sext_eq_otherwise( |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[A:%.*]], 0 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp eq i32 %a, 2 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp ne i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_ne_sext_ne_otherwise(i32 %a) { |
| ; CHECK-LABEL: @icmp_ne_sext_ne_otherwise( |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[A:%.*]], -1 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp ne i32 %a, 2 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp ne i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_eq_sext_eq_otherwise(i32 %a) { |
| ; CHECK-LABEL: @icmp_eq_sext_eq_otherwise( |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], 0 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp eq i32 %a, 2 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp eq i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_eq_sext_ne_otherwise(i32 %a) { |
| ; CHECK-LABEL: @icmp_eq_sext_ne_otherwise( |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], -1 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp ne i32 %a, 2 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp eq i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define <2 x i1> @icmp_ne_sext_eq_zero_vec(<2 x i32> %a) { |
| ; CHECK-LABEL: @icmp_ne_sext_eq_zero_vec( |
| ; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true> |
| ; |
| %cmp = icmp eq <2 x i32> %a, <i32 0, i32 0> |
| %conv = sext <2 x i1> %cmp to <2 x i32> |
| %cmp1 = icmp ne <2 x i32> %conv, %a |
| ret <2 x i1> %cmp1 |
| } |
| |
| define <2 x i1> @icmp_ne_sext_ne_zero_vec(<2 x i32> %a) { |
| ; CHECK-LABEL: @icmp_ne_sext_ne_zero_vec( |
| ; CHECK-NEXT: [[TMP1:%.*]] = add <2 x i32> [[A:%.*]], <i32 -1, i32 -1> |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult <2 x i32> [[TMP1]], <i32 -2, i32 -2> |
| ; CHECK-NEXT: ret <2 x i1> [[CMP1]] |
| ; |
| %cmp = icmp ne <2 x i32> %a, <i32 0, i32 0> |
| %conv = sext <2 x i1> %cmp to <2 x i32> |
| %cmp1 = icmp ne <2 x i32> %conv, %a |
| ret <2 x i1> %cmp1 |
| } |
| |
| define <2 x i1> @icmp_ne_sext_eq_allones_vec(<2 x i32> %a) { |
| ; CHECK-LABEL: @icmp_ne_sext_eq_allones_vec( |
| ; CHECK-NEXT: [[TMP1:%.*]] = add <2 x i32> [[A:%.*]], <i32 -1, i32 -1> |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult <2 x i32> [[TMP1]], <i32 -2, i32 -2> |
| ; CHECK-NEXT: ret <2 x i1> [[CMP1]] |
| ; |
| %cmp = icmp eq <2 x i32> %a, <i32 -1, i32 -1> |
| %conv = sext <2 x i1> %cmp to <2 x i32> |
| %cmp1 = icmp ne <2 x i32> %conv, %a |
| ret <2 x i1> %cmp1 |
| } |
| |
| define <2 x i1> @icmp_ne_sext_ne_allones_vec(<2 x i32> %a) { |
| ; CHECK-LABEL: @icmp_ne_sext_ne_allones_vec( |
| ; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true> |
| ; |
| %cmp = icmp ne <2 x i32> %a, <i32 -1, i32 -1> |
| %conv = sext <2 x i1> %cmp to <2 x i32> |
| %cmp1 = icmp ne <2 x i32> %conv, %a |
| ret <2 x i1> %cmp1 |
| } |
| |
| define <2 x i1> @icmp_ne_sext_eq_otherwise_vec(<2 x i32> %a) { |
| ; CHECK-LABEL: @icmp_ne_sext_eq_otherwise_vec( |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne <2 x i32> [[A:%.*]], zeroinitializer |
| ; CHECK-NEXT: ret <2 x i1> [[CMP1]] |
| ; |
| %cmp = icmp eq <2 x i32> %a, <i32 2, i32 2> |
| %conv = sext <2 x i1> %cmp to <2 x i32> |
| %cmp1 = icmp ne <2 x i32> %conv, %a |
| ret <2 x i1> %cmp1 |
| } |
| |
| define i1 @icmp_ne_sext_ne_zero_i128(i128 %a) { |
| ; CHECK-LABEL: @icmp_ne_sext_ne_zero_i128( |
| ; CHECK-NEXT: [[TMP1:%.*]] = add i128 [[A:%.*]], -1 |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i128 [[TMP1]], -2 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp ne i128 %a, 0 |
| %conv = sext i1 %cmp to i128 |
| %cmp1 = icmp ne i128 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_ne_sext_ne_otherwise_i128(i128 %a) { |
| ; CHECK-LABEL: @icmp_ne_sext_ne_otherwise_i128( |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i128 [[A:%.*]], -1 |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp ne i128 %a, 2 |
| %conv = sext i1 %cmp to i128 |
| %cmp1 = icmp ne i128 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| ; Negative tests with non-equality predicates |
| define i1 @icmp_ne_sext_sgt_zero_nofold(i32 %a) { |
| ; CHECK-LABEL: @icmp_ne_sext_sgt_zero_nofold( |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[A:%.*]], 0 |
| ; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32 |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[CONV]], [[A]] |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp sgt i32 %a, 0 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp ne i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_slt_sext_ne_zero_nofold(i32 %a) { |
| ; CHECK-LABEL: @icmp_slt_sext_ne_zero_nofold( |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[A:%.*]], 0 |
| ; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32 |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[CONV]], [[A]] |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp ne i32 %a, 0 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp slt i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_ne_sext_slt_allones_nofold(i32 %a) { |
| ; CHECK-LABEL: @icmp_ne_sext_slt_allones_nofold( |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[A:%.*]], -1 |
| ; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32 |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[CONV]], [[A]] |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp slt i32 %a, -1 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp ne i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_slt_sext_ne_allones_nofold(i32 %a) { |
| ; CHECK-LABEL: @icmp_slt_sext_ne_allones_nofold( |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[A:%.*]], -1 |
| ; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32 |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[CONV]], [[A]] |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp ne i32 %a, -1 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp slt i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_ne_sext_slt_otherwise_nofold(i32 %a) { |
| ; CHECK-LABEL: @icmp_ne_sext_slt_otherwise_nofold( |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[A:%.*]], 2 |
| ; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32 |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[CONV]], [[A]] |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp slt i32 %a, 2 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp ne i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| define i1 @icmp_slt_sext_ne_otherwise_nofold(i32 %a) { |
| ; CHECK-LABEL: @icmp_slt_sext_ne_otherwise_nofold( |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[A:%.*]], 2 |
| ; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32 |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[CONV]], [[A]] |
| ; CHECK-NEXT: ret i1 [[CMP1]] |
| ; |
| %cmp = icmp ne i32 %a, 2 |
| %conv = sext i1 %cmp to i32 |
| %cmp1 = icmp slt i32 %conv, %a |
| ret i1 %cmp1 |
| } |
| |
| ; tests from PR59555 |
| define i1 @isFloat(i64 %0) { |
| ; CHECK-LABEL: @isFloat( |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp ugt i64 [[TMP0:%.*]], 281474976710655 |
| ; CHECK-NEXT: [[TMP3:%.*]] = and i64 [[TMP0]], -281474976710656 |
| ; CHECK-NEXT: [[TMP4:%.*]] = icmp ne i64 [[TMP3]], 281474976710656 |
| ; CHECK-NEXT: [[TMP5:%.*]] = and i1 [[TMP2]], [[TMP4]] |
| ; CHECK-NEXT: ret i1 [[TMP5]] |
| ; |
| %2 = icmp ugt i64 %0, 281474976710655 |
| %3 = and i64 %0, -281474976710656 |
| %4 = icmp ne i64 %3, 281474976710656 |
| %5 = and i1 %2, %4 |
| ret i1 %5 |
| } |
| |
| !0 = !{i32 1, i32 6} |
| !1 = !{i32 0, i32 6} |
| !2 = !{i8 0, i8 1} |
| !3 = !{i8 0, i8 6} |
| !4 = !{i32 1, i32 6, i32 8, i32 10} |
| !5 = !{i32 5, i32 10} |
| !6 = !{i32 8, i32 16} |
