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3bdd4b2176
This fixes PR32818. Differential Revision: https://reviews.llvm.org/D32664 llvm-svn: 301722
20 lines
559 B
LLVM
20 lines
559 B
LLVM
; Check that the call doesn't get removed even if
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; it has no uses. It could have side-effects.
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; RUN: opt -loop-unswitch -S %s | FileCheck %s
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; CHECK-LABEL: @tinky
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define i32 @tinkywinky(i8 %patatino) {
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%cmp1 = icmp slt i8 %patatino, 5
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br label %body
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body:
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%i = select i1 %cmp1, i8 6, i8 undef
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br i1 true, label %body, label %end
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end:
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%split = phi i8 [ %i, %body ]
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%conv4 = sext i8 %split to i32
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; CHECK: tail call fastcc i32 @fn5(
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%call = tail call fastcc i32 @fn5(i32 %conv4)
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ret i32 0
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}
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declare fastcc i32 @fn5(i32 returned) unnamed_addr
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