| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -O1 -S < %s | FileCheck %s |
| ; RUN: opt -passes='default<O1>' -S < %s | FileCheck %s |
| |
| ; This is an important benchmark for color-space-conversion. |
| ; It should reduce to contain only 1 'not' op. |
| |
| declare void @use(i8, i8, i8, i8) |
| |
| define void @cmyk(i8 %r, i8 %g, i8 %b) { |
| ; CHECK-LABEL: @cmyk( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[TMP0:%.*]] = tail call i8 @llvm.smax.i8(i8 [[R:%.*]], i8 [[G:%.*]]) |
| ; CHECK-NEXT: [[TMP1:%.*]] = tail call i8 @llvm.smax.i8(i8 [[B:%.*]], i8 [[TMP0]]) |
| ; CHECK-NEXT: [[K_0:%.*]] = xor i8 [[TMP1]], -1 |
| ; CHECK-NEXT: [[SUB31:%.*]] = sub i8 [[TMP1]], [[R]] |
| ; CHECK-NEXT: [[SUB35:%.*]] = sub i8 [[TMP1]], [[G]] |
| ; CHECK-NEXT: [[SUB39:%.*]] = sub i8 [[TMP1]], [[B]] |
| ; CHECK-NEXT: tail call void @use(i8 [[SUB31]], i8 [[SUB35]], i8 [[SUB39]], i8 [[K_0]]) |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %conv = sext i8 %r to i32 |
| %sub = sub nsw i32 255, %conv |
| %conv1 = trunc i32 %sub to i8 |
| %conv2 = sext i8 %g to i32 |
| %sub3 = sub nsw i32 255, %conv2 |
| %conv4 = trunc i32 %sub3 to i8 |
| %conv5 = sext i8 %b to i32 |
| %sub6 = sub nsw i32 255, %conv5 |
| %conv7 = trunc i32 %sub6 to i8 |
| %conv8 = sext i8 %conv1 to i32 |
| %conv9 = sext i8 %conv4 to i32 |
| %cmp = icmp slt i32 %conv8, %conv9 |
| br i1 %cmp, label %if.then, label %if.else |
| |
| if.then: |
| %conv12 = sext i8 %conv7 to i32 |
| %cmp13 = icmp slt i32 %conv8, %conv12 |
| %cond = select i1 %cmp13, i32 %conv8, i32 %conv12 |
| %conv17 = trunc i32 %cond to i8 |
| br label %if.end |
| |
| if.else: |
| %conv19 = sext i8 %conv7 to i32 |
| %cmp20 = icmp slt i32 %conv9, %conv19 |
| %cond27 = select i1 %cmp20, i32 %conv9, i32 %conv19 |
| %conv28 = trunc i32 %cond27 to i8 |
| br label %if.end |
| |
| if.end: |
| %k.0 = phi i8 [ %conv17, %if.then ], [ %conv28, %if.else ] |
| %conv30 = sext i8 %k.0 to i32 |
| %sub31 = sub nsw i32 %conv8, %conv30 |
| %conv32 = trunc i32 %sub31 to i8 |
| %sub35 = sub nsw i32 %conv9, %conv30 |
| %conv36 = trunc i32 %sub35 to i8 |
| %conv37 = sext i8 %conv7 to i32 |
| %sub39 = sub nsw i32 %conv37, %conv30 |
| %conv40 = trunc i32 %sub39 to i8 |
| call void @use(i8 %conv32, i8 %conv36, i8 %conv40, i8 %k.0) |
| ret void |
| } |