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llvm-mirror/test/Transforms/InstCombine/2005-07-07-DeadPHILoop.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

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371 B
LLVM

; RUN: opt < %s -instcombine -disable-output
; This example caused instcombine to spin into an infinite loop.
define void @test(i32* %P) {
ret void
Dead: ; preds = %Dead
%X = phi i32 [ %Y, %Dead ] ; <i32> [#uses=1]
%Y = sdiv i32 %X, 10 ; <i32> [#uses=2]
store i32 %Y, i32* %P
br label %Dead
}