| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 |
| ; RUN: opt < %s -passes=instcombine -S | FileCheck %s |
| |
| define i64 @add_select_zext(i1 %c) { |
| ; CHECK-LABEL: define i64 @add_select_zext |
| ; CHECK-SAME: (i1 [[C:%.*]]) { |
| ; CHECK-NEXT: [[ADD:%.*]] = select i1 [[C]], i64 65, i64 1 |
| ; CHECK-NEXT: ret i64 [[ADD]] |
| ; |
| %sel = select i1 %c, i64 64, i64 1 |
| %ext = zext i1 %c to i64 |
| %add = add i64 %sel, %ext |
| ret i64 %add |
| } |
| |
| define i64 @add_select_sext(i1 %c) { |
| ; CHECK-LABEL: define i64 @add_select_sext |
| ; CHECK-SAME: (i1 [[C:%.*]]) { |
| ; CHECK-NEXT: [[ADD:%.*]] = select i1 [[C]], i64 63, i64 1 |
| ; CHECK-NEXT: ret i64 [[ADD]] |
| ; |
| %sel = select i1 %c, i64 64, i64 1 |
| %ext = sext i1 %c to i64 |
| %add = add i64 %sel, %ext |
| ret i64 %add |
| } |
| |
| define i64 @add_select_not_zext(i1 %c) { |
| ; CHECK-LABEL: define i64 @add_select_not_zext |
| ; CHECK-SAME: (i1 [[C:%.*]]) { |
| ; CHECK-NEXT: [[ADD:%.*]] = select i1 [[C]], i64 64, i64 2 |
| ; CHECK-NEXT: ret i64 [[ADD]] |
| ; |
| %sel = select i1 %c, i64 64, i64 1 |
| %not.c = xor i1 %c, true |
| %ext = zext i1 %not.c to i64 |
| %add = add i64 %sel, %ext |
| ret i64 %add |
| } |
| |
| define i64 @add_select_not_sext(i1 %c) { |
| ; CHECK-LABEL: define i64 @add_select_not_sext |
| ; CHECK-SAME: (i1 [[C:%.*]]) { |
| ; CHECK-NEXT: [[ADD:%.*]] = select i1 [[C]], i64 64, i64 0 |
| ; CHECK-NEXT: ret i64 [[ADD]] |
| ; |
| %sel = select i1 %c, i64 64, i64 1 |
| %not.c = xor i1 %c, true |
| %ext = sext i1 %not.c to i64 |
| %add = add i64 %sel, %ext |
| ret i64 %add |
| } |
| |
| define i64 @sub_select_sext(i1 %c, i64 %arg) { |
| ; CHECK-LABEL: define i64 @sub_select_sext |
| ; CHECK-SAME: (i1 [[C:%.*]], i64 [[ARG:%.*]]) { |
| ; CHECK-NEXT: [[SUB:%.*]] = select i1 [[C]], i64 65, i64 [[ARG]] |
| ; CHECK-NEXT: ret i64 [[SUB]] |
| ; |
| %sel = select i1 %c, i64 64, i64 %arg |
| %ext = sext i1 %c to i64 |
| %sub = sub i64 %sel, %ext |
| ret i64 %sub |
| } |
| |
| define i64 @sub_select_not_zext(i1 %c, i64 %arg) { |
| ; CHECK-LABEL: define i64 @sub_select_not_zext |
| ; CHECK-SAME: (i1 [[C:%.*]], i64 [[ARG:%.*]]) { |
| ; CHECK-NEXT: [[SUB:%.*]] = select i1 [[C]], i64 [[ARG]], i64 63 |
| ; CHECK-NEXT: ret i64 [[SUB]] |
| ; |
| %sel = select i1 %c, i64 %arg, i64 64 |
| %not.c = xor i1 %c, true |
| %ext = zext i1 %not.c to i64 |
| %sub = sub i64 %sel, %ext |
| ret i64 %sub |
| } |
| |
| define i64 @sub_select_not_sext(i1 %c, i64 %arg) { |
| ; CHECK-LABEL: define i64 @sub_select_not_sext |
| ; CHECK-SAME: (i1 [[C:%.*]], i64 [[ARG:%.*]]) { |
| ; CHECK-NEXT: [[SUB:%.*]] = select i1 [[C]], i64 [[ARG]], i64 65 |
| ; CHECK-NEXT: ret i64 [[SUB]] |
| ; |
| %sel = select i1 %c, i64 %arg, i64 64 |
| %not.c = xor i1 %c, true |
| %ext = sext i1 %not.c to i64 |
| %sub = sub i64 %sel, %ext |
| ret i64 %sub |
| } |
| |
| define i64 @mul_select_zext(i1 %c, i64 %arg) { |
| ; CHECK-LABEL: define i64 @mul_select_zext |
| ; CHECK-SAME: (i1 [[C:%.*]], i64 [[ARG:%.*]]) { |
| ; CHECK-NEXT: [[MUL:%.*]] = select i1 [[C]], i64 [[ARG]], i64 0 |
| ; CHECK-NEXT: ret i64 [[MUL]] |
| ; |
| %sel = select i1 %c, i64 %arg, i64 1 |
| %ext = zext i1 %c to i64 |
| %mul = mul i64 %sel, %ext |
| ret i64 %mul |
| } |
| |
| define i64 @mul_select_sext(i1 %c) { |
| ; CHECK-LABEL: define i64 @mul_select_sext |
| ; CHECK-SAME: (i1 [[C:%.*]]) { |
| ; CHECK-NEXT: [[MUL:%.*]] = select i1 [[C]], i64 -64, i64 0 |
| ; CHECK-NEXT: ret i64 [[MUL]] |
| ; |
| %sel = select i1 %c, i64 64, i64 1 |
| %ext = sext i1 %c to i64 |
| %mul = mul i64 %sel, %ext |
| ret i64 %mul |
| } |
| |
| define i64 @select_zext_different_condition(i1 %c, i1 %d) { |
| ; CHECK-LABEL: define i64 @select_zext_different_condition |
| ; CHECK-SAME: (i1 [[C:%.*]], i1 [[D:%.*]]) { |
| ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[C]], i64 64, i64 1 |
| ; CHECK-NEXT: [[EXT:%.*]] = zext i1 [[D]] to i64 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nuw nsw i64 [[SEL]], [[EXT]] |
| ; CHECK-NEXT: ret i64 [[ADD]] |
| ; |
| %sel = select i1 %c, i64 64, i64 1 |
| %ext = zext i1 %d to i64 |
| %add = add i64 %sel, %ext |
| ret i64 %add |
| } |
| |
| define <2 x i64> @vector_test(i1 %c) { |
| ; CHECK-LABEL: define <2 x i64> @vector_test |
| ; CHECK-SAME: (i1 [[C:%.*]]) { |
| ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[C]], <2 x i64> <i64 64, i64 64>, <2 x i64> <i64 1, i64 1> |
| ; CHECK-NEXT: [[EXT:%.*]] = zext i1 [[C]] to i64 |
| ; CHECK-NEXT: [[VEC0:%.*]] = insertelement <2 x i64> undef, i64 [[EXT]], i64 0 |
| ; CHECK-NEXT: [[VEC1:%.*]] = shufflevector <2 x i64> [[VEC0]], <2 x i64> poison, <2 x i32> zeroinitializer |
| ; CHECK-NEXT: [[ADD:%.*]] = add nuw nsw <2 x i64> [[SEL]], [[VEC1]] |
| ; CHECK-NEXT: ret <2 x i64> [[ADD]] |
| ; |
| %sel = select i1 %c, <2 x i64> <i64 64, i64 64>, <2 x i64> <i64 1, i64 1> |
| %ext = zext i1 %c to i64 |
| %vec0 = insertelement <2 x i64> undef, i64 %ext, i32 0 |
| %vec1 = insertelement <2 x i64> %vec0, i64 %ext, i32 1 |
| %add = add <2 x i64> %sel, %vec1 |
| ret <2 x i64> %add |
| } |
| |
| define i64 @multiuse_add(i1 %c) { |
| ; CHECK-LABEL: define i64 @multiuse_add |
| ; CHECK-SAME: (i1 [[C:%.*]]) { |
| ; CHECK-NEXT: [[ADD2:%.*]] = select i1 [[C]], i64 66, i64 2 |
| ; CHECK-NEXT: ret i64 [[ADD2]] |
| ; |
| %sel = select i1 %c, i64 64, i64 1 |
| %ext = zext i1 %c to i64 |
| %add = add i64 %sel, %ext |
| %add2 = add i64 %add, 1 |
| ret i64 %add2 |
| } |
| |
| define i64 @multiuse_select(i1 %c) { |
| ; CHECK-LABEL: define i64 @multiuse_select |
| ; CHECK-SAME: (i1 [[C:%.*]]) { |
| ; CHECK-NEXT: [[MUL:%.*]] = select i1 [[C]], i64 4032, i64 0 |
| ; CHECK-NEXT: ret i64 [[MUL]] |
| ; |
| %sel = select i1 %c, i64 64, i64 0 |
| %ext = zext i1 %c to i64 |
| %add = sub i64 %sel, %ext |
| %mul = mul i64 %sel, %add |
| ret i64 %mul |
| } |
| |
| define i64 @select_non_const_sides(i1 %c, i64 %arg1, i64 %arg2) { |
| ; CHECK-LABEL: define i64 @select_non_const_sides |
| ; CHECK-SAME: (i1 [[C:%.*]], i64 [[ARG1:%.*]], i64 [[ARG2:%.*]]) { |
| ; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[ARG1]], -1 |
| ; CHECK-NEXT: [[SUB:%.*]] = select i1 [[C]], i64 [[TMP1]], i64 [[ARG2]] |
| ; CHECK-NEXT: ret i64 [[SUB]] |
| ; |
| %ext = zext i1 %c to i64 |
| %sel = select i1 %c, i64 %arg1, i64 %arg2 |
| %sub = sub i64 %sel, %ext |
| ret i64 %sub |
| } |
| |
| define i6 @sub_select_sext_op_swapped_non_const_args(i1 %c, i6 %argT, i6 %argF) { |
| ; CHECK-LABEL: define i6 @sub_select_sext_op_swapped_non_const_args |
| ; CHECK-SAME: (i1 [[C:%.*]], i6 [[ARGT:%.*]], i6 [[ARGF:%.*]]) { |
| ; CHECK-NEXT: [[TMP1:%.*]] = xor i6 [[ARGT]], -1 |
| ; CHECK-NEXT: [[TMP2:%.*]] = sub i6 0, [[ARGF]] |
| ; CHECK-NEXT: [[SUB:%.*]] = select i1 [[C]], i6 [[TMP1]], i6 [[TMP2]] |
| ; CHECK-NEXT: ret i6 [[SUB]] |
| ; |
| %sel = select i1 %c, i6 %argT, i6 %argF |
| %ext = sext i1 %c to i6 |
| %sub = sub i6 %ext, %sel |
| ret i6 %sub |
| } |
| |
| define i6 @sub_select_zext_op_swapped_non_const_args(i1 %c, i6 %argT, i6 %argF) { |
| ; CHECK-LABEL: define i6 @sub_select_zext_op_swapped_non_const_args |
| ; CHECK-SAME: (i1 [[C:%.*]], i6 [[ARGT:%.*]], i6 [[ARGF:%.*]]) { |
| ; CHECK-NEXT: [[TMP1:%.*]] = sub i6 1, [[ARGT]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = sub i6 0, [[ARGF]] |
| ; CHECK-NEXT: [[SUB:%.*]] = select i1 [[C]], i6 [[TMP1]], i6 [[TMP2]] |
| ; CHECK-NEXT: ret i6 [[SUB]] |
| ; |
| %sel = select i1 %c, i6 %argT, i6 %argF |
| %ext = zext i1 %c to i6 |
| %sub = sub i6 %ext, %sel |
| ret i6 %sub |
| } |
| |
| define <2 x i8> @vectorized_add(<2 x i1> %c, <2 x i8> %arg) { |
| ; CHECK-LABEL: define <2 x i8> @vectorized_add |
| ; CHECK-SAME: (<2 x i1> [[C:%.*]], <2 x i8> [[ARG:%.*]]) { |
| ; CHECK-NEXT: [[TMP1:%.*]] = add <2 x i8> [[ARG]], <i8 1, i8 1> |
| ; CHECK-NEXT: [[ADD:%.*]] = select <2 x i1> [[C]], <2 x i8> [[TMP1]], <2 x i8> <i8 1, i8 1> |
| ; CHECK-NEXT: ret <2 x i8> [[ADD]] |
| ; |
| %zext = zext <2 x i1> %c to <2 x i8> |
| %sel = select <2 x i1> %c, <2 x i8> %arg, <2 x i8> <i8 1, i8 1> |
| %add = add <2 x i8> %sel, %zext |
| ret <2 x i8> %add |
| } |
| |
| @b = external global [72 x i32] |
| @c = external global i32 |
| |
| define i64 @pr64669(i64 %a) { |
| ; CHECK-LABEL: define i64 @pr64669 |
| ; CHECK-SAME: (i64 [[A:%.*]]) { |
| ; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[A]], 1 |
| ; CHECK-NEXT: [[ADD:%.*]] = select i1 icmp ne (ptr getelementptr inbounds ([72 x i32], ptr @b, i64 0, i64 25), ptr @c), i64 [[TMP1]], i64 0 |
| ; CHECK-NEXT: ret i64 [[ADD]] |
| ; |
| %mul = select i1 icmp ne (ptr getelementptr inbounds ([72 x i32], ptr @b, i64 0, i64 25), ptr @c), i64 %a, i64 0 |
| %conv3 = zext i1 icmp ne (ptr getelementptr inbounds ([72 x i32], ptr @b, i64 0, i64 25), ptr @c) to i64 |
| %add = add nsw i64 %mul, %conv3 |
| ret i64 %add |
| } |