| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -instcombine -S | FileCheck %s |
| |
| define i1 @test1(i8 %x, i8 %y) { |
| ; CHECK-LABEL: @test1( |
| ; CHECK-NEXT: [[TMP:%.*]] = icmp ult i8 %x, %y |
| ; CHECK-NEXT: ret i1 [[TMP]] |
| ; |
| %X = xor i8 %x, 128 |
| %Y = xor i8 %y, 128 |
| %tmp = icmp slt i8 %X, %Y |
| ret i1 %tmp |
| } |
| |
| define i1 @test2(i8 %x, i8 %y) { |
| ; CHECK-LABEL: @test2( |
| ; CHECK-NEXT: [[TMP:%.*]] = icmp slt i8 %x, %y |
| ; CHECK-NEXT: ret i1 [[TMP]] |
| ; |
| %X = xor i8 %x, 128 |
| %Y = xor i8 %y, 128 |
| %tmp = icmp ult i8 %X, %Y |
| ret i1 %tmp |
| } |
| |
| define i1 @test3(i8 %x) { |
| ; CHECK-LABEL: @test3( |
| ; CHECK-NEXT: [[TMP:%.*]] = icmp sgt i8 %x, -114 |
| ; CHECK-NEXT: ret i1 [[TMP]] |
| ; |
| %X = xor i8 %x, 128 |
| %tmp = icmp uge i8 %X, 15 |
| ret i1 %tmp |
| } |
| |
| define <2 x i1> @test3vec(<2 x i8> %x) { |
| ; CHECK-LABEL: @test3vec( |
| ; CHECK-NEXT: [[TMP:%.*]] = icmp sgt <2 x i8> %x, <i8 -114, i8 -114> |
| ; CHECK-NEXT: ret <2 x i1> [[TMP]] |
| ; |
| %X = xor <2 x i8> %x, <i8 128, i8 128> |
| %tmp = icmp uge <2 x i8> %X, <i8 15, i8 15> |
| ret <2 x i1> %tmp |
| } |
| |
| define i1 @test4(i8 %x, i8 %y) { |
| ; CHECK-LABEL: @test4( |
| ; CHECK-NEXT: [[TMP:%.*]] = icmp ugt i8 %x, %y |
| ; CHECK-NEXT: ret i1 [[TMP]] |
| ; |
| %X = xor i8 %x, 127 |
| %Y = xor i8 %y, 127 |
| %tmp = icmp slt i8 %X, %Y |
| ret i1 %tmp |
| } |
| |
| define i1 @test5(i8 %x, i8 %y) { |
| ; CHECK-LABEL: @test5( |
| ; CHECK-NEXT: [[TMP:%.*]] = icmp sgt i8 %x, %y |
| ; CHECK-NEXT: ret i1 [[TMP]] |
| ; |
| %X = xor i8 %x, 127 |
| %Y = xor i8 %y, 127 |
| %tmp = icmp ult i8 %X, %Y |
| ret i1 %tmp |
| } |
| |
| define i1 @test6(i8 %x) { |
| ; CHECK-LABEL: @test6( |
| ; CHECK-NEXT: [[TMP:%.*]] = icmp slt i8 %x, 113 |
| ; CHECK-NEXT: ret i1 [[TMP]] |
| ; |
| %X = xor i8 %x, 127 |
| %tmp = icmp uge i8 %X, 15 |
| ret i1 %tmp |
| } |
| |
| define <2 x i1> @test6vec(<2 x i8> %x) { |
| ; CHECK-LABEL: @test6vec( |
| ; CHECK-NEXT: [[TMP:%.*]] = icmp slt <2 x i8> %x, <i8 113, i8 113> |
| ; CHECK-NEXT: ret <2 x i1> [[TMP]] |
| ; |
| %X = xor <2 x i8> %x, <i8 127, i8 127> |
| %tmp = icmp uge <2 x i8> %X, <i8 15, i8 15> |
| ret <2 x i1> %tmp |
| } |
| |