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16ad4f2471
Summary: There are `SelectPatternFlavor`s that don't represent min or max idioms, and we should not be passing those to `getCmpPredicateForMinMax`. Fixes PR25745. Reviewers: majnemer Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D15249 llvm-svn: 254869
21 lines
467 B
LLVM
21 lines
467 B
LLVM
; RUN: opt -S -instcombine < %s | FileCheck %s
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; Checking for a crash
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declare void @use.i1(i1 %val)
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declare void @use.i64(i64 %val)
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define i64 @f(i32 %x) {
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; CHECK-LABEL: @f(
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entry:
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%x.wide = sext i32 %x to i64
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%minus.x = sub i32 0, %x
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%minus.x.wide = sext i32 %minus.x to i64
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%c = icmp slt i32 %x, 0
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%val = select i1 %c, i64 %x.wide, i64 %minus.x.wide
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call void @use.i1(i1 %c)
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call void @use.i64(i64 %x.wide)
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ret i64 %val
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; CHECK: ret i64 %val
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}
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