derek.holloway
7502bf64a4
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64 lines
2.1 KiB
LLVM
64 lines
2.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -O1 -S < %s | FileCheck %s
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; RUN: opt -passes='default<O1>' -S < %s | FileCheck %s
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; This is an important benchmark for color-space-conversion.
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; It should reduce to contain only 1 'not' op.
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declare void @use(i8, i8, i8, i8)
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define void @cmyk(i8 %r, i8 %g, i8 %b) {
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; CHECK-LABEL: @cmyk(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = tail call i8 @llvm.smax.i8(i8 [[R:%.*]], i8 [[G:%.*]])
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; CHECK-NEXT: [[TMP1:%.*]] = tail call i8 @llvm.smax.i8(i8 [[B:%.*]], i8 [[TMP0]])
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; CHECK-NEXT: [[K_0:%.*]] = xor i8 [[TMP1]], -1
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; CHECK-NEXT: [[SUB31:%.*]] = sub i8 [[TMP1]], [[R]]
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; CHECK-NEXT: [[SUB35:%.*]] = sub i8 [[TMP1]], [[G]]
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; CHECK-NEXT: [[SUB39:%.*]] = sub i8 [[TMP1]], [[B]]
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; CHECK-NEXT: tail call void @use(i8 [[SUB31]], i8 [[SUB35]], i8 [[SUB39]], i8 [[K_0]])
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; CHECK-NEXT: ret void
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;
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entry:
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%conv = sext i8 %r to i32
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%sub = sub nsw i32 255, %conv
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%conv1 = trunc i32 %sub to i8
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%conv2 = sext i8 %g to i32
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%sub3 = sub nsw i32 255, %conv2
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%conv4 = trunc i32 %sub3 to i8
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%conv5 = sext i8 %b to i32
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%sub6 = sub nsw i32 255, %conv5
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%conv7 = trunc i32 %sub6 to i8
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%conv8 = sext i8 %conv1 to i32
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%conv9 = sext i8 %conv4 to i32
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%cmp = icmp slt i32 %conv8, %conv9
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br i1 %cmp, label %if.then, label %if.else
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if.then:
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%conv12 = sext i8 %conv7 to i32
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%cmp13 = icmp slt i32 %conv8, %conv12
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%cond = select i1 %cmp13, i32 %conv8, i32 %conv12
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%conv17 = trunc i32 %cond to i8
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br label %if.end
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if.else:
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%conv19 = sext i8 %conv7 to i32
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%cmp20 = icmp slt i32 %conv9, %conv19
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%cond27 = select i1 %cmp20, i32 %conv9, i32 %conv19
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%conv28 = trunc i32 %cond27 to i8
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br label %if.end
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if.end:
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%k.0 = phi i8 [ %conv17, %if.then ], [ %conv28, %if.else ]
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%conv30 = sext i8 %k.0 to i32
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%sub31 = sub nsw i32 %conv8, %conv30
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%conv32 = trunc i32 %sub31 to i8
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%sub35 = sub nsw i32 %conv9, %conv30
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%conv36 = trunc i32 %sub35 to i8
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%conv37 = sext i8 %conv7 to i32
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%sub39 = sub nsw i32 %conv37, %conv30
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%conv40 = trunc i32 %sub39 to i8
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call void @use(i8 %conv32, i8 %conv36, i8 %conv40, i8 %k.0)
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ret void
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}
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