29 lines
1.2 KiB
LLVM
29 lines
1.2 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instcombine -S | FileCheck %s
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define i32 @sharpening(i32 %b340, i1 %c, i1 %d, i32 %e, i32 %f, i32 %g, i32 %h) {
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; CHECK-LABEL: @sharpening(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[SMAX58:%.*]] = select i1 [[C:%.*]], i32 [[E:%.*]], i32 [[F:%.*]]
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; CHECK-NEXT: [[SMAX59:%.*]] = select i1 [[D:%.*]], i32 [[G:%.*]], i32 [[H:%.*]]
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; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[SMAX59]], 1
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; CHECK-NEXT: [[TMP1:%.*]] = icmp slt i32 [[TMP0]], -1
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; CHECK-NEXT: [[TMP12:%.*]] = select i1 [[TMP1]], i32 [[TMP0]], i32 -1
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; CHECK-NEXT: [[TMP13:%.*]] = icmp sgt i32 [[SMAX58]], [[TMP12]]
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; CHECK-NEXT: [[SMAX61:%.*]] = select i1 [[TMP13]], i32 [[SMAX58]], i32 [[TMP12]]
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; CHECK-NEXT: [[TMP14:%.*]] = xor i32 [[SMAX61]], -1
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; CHECK-NEXT: ret i32 [[TMP14]]
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;
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entry:
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%smax58 = select i1 %c, i32 %e, i32 %f
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%smax59 = select i1 %d, i32 %g, i32 %h
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%tmp10 = sub i32 -2, %smax59
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%tmp11 = icmp sgt i32 %tmp10, 0
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%smax60 = select i1 %tmp11, i32 %tmp10, i32 0
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%tmp12 = xor i32 %smax60, -1
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%tmp13 = icmp sgt i32 %smax58, %tmp12
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%smax61 = select i1 %tmp13, i32 %smax58, i32 %tmp12
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%tmp14 = xor i32 %smax61, -1
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ret i32 %tmp14
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}
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