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llvm-mirror/test/Transforms/Mem2Reg/2003-04-18-DeadBlockProblem.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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384 B
LLVM

; This testcases makes sure that mem2reg can handle unreachable blocks.
; RUN: opt < %s -mem2reg
define i32 @test() {
%X = alloca i32 ; <i32*> [#uses=2]
store i32 6, i32* %X
br label %Loop
Loop: ; preds = %EndOfLoop, %0
store i32 5, i32* %X
br label %EndOfLoop
Unreachable: ; No predecessors!
br label %EndOfLoop
EndOfLoop: ; preds = %Unreachable, %Loop
br label %Loop
}