1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -O1 -S < %s | FileCheck %s 3; RUN: opt -passes='default<O1>' -S < %s | FileCheck %s 4 5; This is an important benchmark for color-space-conversion. 6; It should reduce to contain only 1 'not' op. 7 8declare void @use(i8, i8, i8, i8) 9 10define void @cmyk(i8 %r, i8 %g, i8 %b) { 11; CHECK-LABEL: @cmyk( 12; CHECK-NEXT: entry: 13; CHECK-NEXT: [[TMP0:%.*]] = tail call i8 @llvm.smax.i8(i8 [[R:%.*]], i8 [[G:%.*]]) 14; CHECK-NEXT: [[TMP1:%.*]] = tail call i8 @llvm.smax.i8(i8 [[B:%.*]], i8 [[TMP0]]) 15; CHECK-NEXT: [[K_0:%.*]] = xor i8 [[TMP1]], -1 16; CHECK-NEXT: [[SUB31:%.*]] = sub i8 [[TMP1]], [[R]] 17; CHECK-NEXT: [[SUB35:%.*]] = sub i8 [[TMP1]], [[G]] 18; CHECK-NEXT: [[SUB39:%.*]] = sub i8 [[TMP1]], [[B]] 19; CHECK-NEXT: tail call void @use(i8 [[SUB31]], i8 [[SUB35]], i8 [[SUB39]], i8 [[K_0]]) 20; CHECK-NEXT: ret void 21; 22entry: 23 %conv = sext i8 %r to i32 24 %sub = sub nsw i32 255, %conv 25 %conv1 = trunc i32 %sub to i8 26 %conv2 = sext i8 %g to i32 27 %sub3 = sub nsw i32 255, %conv2 28 %conv4 = trunc i32 %sub3 to i8 29 %conv5 = sext i8 %b to i32 30 %sub6 = sub nsw i32 255, %conv5 31 %conv7 = trunc i32 %sub6 to i8 32 %conv8 = sext i8 %conv1 to i32 33 %conv9 = sext i8 %conv4 to i32 34 %cmp = icmp slt i32 %conv8, %conv9 35 br i1 %cmp, label %if.then, label %if.else 36 37if.then: 38 %conv12 = sext i8 %conv7 to i32 39 %cmp13 = icmp slt i32 %conv8, %conv12 40 %cond = select i1 %cmp13, i32 %conv8, i32 %conv12 41 %conv17 = trunc i32 %cond to i8 42 br label %if.end 43 44if.else: 45 %conv19 = sext i8 %conv7 to i32 46 %cmp20 = icmp slt i32 %conv9, %conv19 47 %cond27 = select i1 %cmp20, i32 %conv9, i32 %conv19 48 %conv28 = trunc i32 %cond27 to i8 49 br label %if.end 50 51if.end: 52 %k.0 = phi i8 [ %conv17, %if.then ], [ %conv28, %if.else ] 53 %conv30 = sext i8 %k.0 to i32 54 %sub31 = sub nsw i32 %conv8, %conv30 55 %conv32 = trunc i32 %sub31 to i8 56 %sub35 = sub nsw i32 %conv9, %conv30 57 %conv36 = trunc i32 %sub35 to i8 58 %conv37 = sext i8 %conv7 to i32 59 %sub39 = sub nsw i32 %conv37, %conv30 60 %conv40 = trunc i32 %sub39 to i8 61 call void @use(i8 %conv32, i8 %conv36, i8 %conv40, i8 %k.0) 62 ret void 63} 64