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4a45626e2f
Summary: Use MemorySSA, if requested, to do less conservative memory dependency checking. This change doesn't enable the MemorySSA enhanced EarlyCSE in the default pipelines, so should be NFC. Reviewers: dberlin, sanjoy, reames, majnemer Subscribers: mcrosier, llvm-commits Differential Revision: http://reviews.llvm.org/D19821 llvm-svn: 280279
21 lines
351 B
LLVM
21 lines
351 B
LLVM
; RUN: opt -early-cse -S < %s | FileCheck %s
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; RUN: opt -basicaa -early-cse-memssa -S < %s | FileCheck %s
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; PR12231
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declare i32 @f()
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define i32 @fn() {
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entry:
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br label %lbl_1215
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lbl_1215:
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%ins34 = phi i32 [ %ins35, %xxx ], [ undef, %entry ]
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ret i32 %ins34
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xxx:
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%ins35 = call i32 @f()
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br label %lbl_1215
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}
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; CHECK-LABEL: define i32 @fn(
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