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:%.*]] = icmp sgt i8 [[R:%.*]], [[B:%.*]] 14; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[TMP0]], i8 [[R]], i8 [[B]] 15; CHECK-NEXT: [[TMP2:%.*]] = icmp sgt i8 [[TMP1]], [[G:%.*]] 16; CHECK-NEXT: [[TMP3:%.*]] = select i1 [[TMP2]], i8 [[TMP1]], i8 [[G]] 17; CHECK-NEXT: [[TMP4:%.*]] = xor i8 [[TMP3]], -1 18; CHECK-NEXT: [[SUB31:%.*]] = sub i8 [[TMP3]], [[R]] 19; CHECK-NEXT: [[SUB35:%.*]] = sub i8 [[TMP3]], [[G]] 20; CHECK-NEXT: [[SUB39:%.*]] = sub i8 [[TMP3]], [[B]] 21; CHECK-NEXT: call void @use(i8 [[SUB31]], i8 [[SUB35]], i8 [[SUB39]], i8 [[TMP4]]) 22; CHECK-NEXT: ret void 23; 24entry: 25 %conv = sext i8 %r to i32 26 %sub = sub nsw i32 255, %conv 27 %conv1 = trunc i32 %sub to i8 28 %conv2 = sext i8 %g to i32 29 %sub3 = sub nsw i32 255, %conv2 30 %conv4 = trunc i32 %sub3 to i8 31 %conv5 = sext i8 %b to i32 32 %sub6 = sub nsw i32 255, %conv5 33 %conv7 = trunc i32 %sub6 to i8 34 %conv8 = sext i8 %conv1 to i32 35 %conv9 = sext i8 %conv4 to i32 36 %cmp = icmp slt i32 %conv8, %conv9 37 br i1 %cmp, label %if.then, label %if.else 38 39if.then: 40 %conv12 = sext i8 %conv7 to i32 41 %cmp13 = icmp slt i32 %conv8, %conv12 42 %cond = select i1 %cmp13, i32 %conv8, i32 %conv12 43 %conv17 = trunc i32 %cond to i8 44 br label %if.end 45 46if.else: 47 %conv19 = sext i8 %conv7 to i32 48 %cmp20 = icmp slt i32 %conv9, %conv19 49 %cond27 = select i1 %cmp20, i32 %conv9, i32 %conv19 50 %conv28 = trunc i32 %cond27 to i8 51 br label %if.end 52 53if.end: 54 %k.0 = phi i8 [ %conv17, %if.then ], [ %conv28, %if.else ] 55 %conv30 = sext i8 %k.0 to i32 56 %sub31 = sub nsw i32 %conv8, %conv30 57 %conv32 = trunc i32 %sub31 to i8 58 %sub35 = sub nsw i32 %conv9, %conv30 59 %conv36 = trunc i32 %sub35 to i8 60 %conv37 = sext i8 %conv7 to i32 61 %sub39 = sub nsw i32 %conv37, %conv30 62 %conv40 = trunc i32 %sub39 to i8 63 call void @use(i8 %conv32, i8 %conv36, i8 %conv40, i8 %k.0) 64 ret void 65} 66