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Add a test for performing GVNPRE on select instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37782 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2007-06-28 23:50:31 +00:00
parent b6f5b00c3b
commit 1dd035d64f
1 changed files with 17 additions and 0 deletions
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17
test/Transforms/GVNPRE/select.ll Normal file
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; RUN: llvm-as < %s | opt -gvnpre | llvm-dis | grep b.gvnpre
define i32 @extract() {
entry: ; preds = %cond_false, %entry
br i1 true, label %cond_true, label %cond_false
cond_true:
br label %end
cond_false:
%a = select i1 true, i32 0, i32 1
br label %end
end:
%b = select i1 true, i32 0, i32 1
ret i32 %b
}