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Make this test more challenging to help it avoid being

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optimized away before it tests what it is intended to test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48251 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-03-11 21:47:57 +00:00
parent 0fb2033f91
commit a8ab8938a7
1 changed files with 8 additions and 2 deletions
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10
test/Transforms/SimplifyCFG/PhiBlockMerge2.ll
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@ -5,12 +5,18 @@
; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | not grep N: ; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | not grep N:
; ;
declare i1 @foo()
define i32 @test(i1 %a, i1 %b) { define i32 @test(i1 %a, i1 %b) {
br i1 %b, label %N, label %Q %c = call i1 @foo()
br i1 %c, label %N, label %P
P:
%d = call i1 @foo()
br i1 %d, label %N, label %Q
Q: Q:
br label %N br label %N
N: N:
%W = phi i32 [0, %0], [1, %Q] %W = phi i32 [0, %0], [1, %Q], [2, %P]
; This block should be foldable into M ; This block should be foldable into M
br label %M br label %M