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Make this test more challenging to help it avoid being 

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

llvm-svn: 48251
This commit is contained in:
Dan Gohman 2008-03-11 21:47:57 +00:00
parent 6f51973734
commit 8e9ae96a4a
1 changed files with 8 additions and 2 deletions
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10
llvm/test/Transforms/SimplifyCFG/PhiBlockMerge2.ll
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@ -5,12 +5,18 @@
; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | not grep N:
;
declare i1 @foo()
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:
br label %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
br label %M