llvm-6502/test/Transforms/TailDup/PHIUpdateTest.ll
Tanya Lattner ceca194c43 Remove llvm-upgrade and update tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48137 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-10 07:21:50 +00:00

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407 B
LLVM

; This test checks to make sure phi nodes are updated properly
;
; RUN: llvm-as < %s | opt -tailduplicate -disable-output
define i32 @test(i1 %c, i32 %X, i32 %Y) {
br label %L
L: ; preds = %F, %0
%A = add i32 %X, %Y ; <i32> [#uses=1]
br i1 %c, label %T, label %F
F: ; preds = %L
br i1 %c, label %L, label %T
T: ; preds = %F, %L
%V = phi i32 [ %A, %L ], [ 0, %F ] ; <i32> [#uses=1]
ret i32 %V
}