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The select instruction is not neccesarily in the same block as the

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phi nodes.  Make sure to phi translate from the right block. 

This fixes a llvm-building-llvm failure on GVN-PRE.cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82970 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-09-28 06:49:44 +00:00
parent 0e6b590b91
commit 3ddfb21306
2 changed files with 19 additions and 2 deletions
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16
test/Transforms/InstCombine/select.ll
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@@ -247,3 +247,19 @@ ret:
%b = select i1 %a, i32 %A, i32 %c
ret i32 %b
}
define i32 @test29(i1 %cond, i32 %A, i32 %B) {
entry:
br i1 %cond, label %jump, label %ret
jump:
br label %ret
ret:
%c = phi i32 [%A, %jump], [%B, %entry]
%a = phi i1 [true, %jump], [false, %entry]
br label %next
next:
%b = select i1 %a, i32 %A, i32 %c
ret i32 %b
}