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| -rw-r--r-- | test/Transforms/CodeGenPrepare/phi.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/Transforms/CodeGenPrepare/phi.ll b/test/Transforms/CodeGenPrepare/phi.ll new file mode 100644 index 0000000000..29e17c095a --- /dev/null +++ b/test/Transforms/CodeGenPrepare/phi.ll @@ -0,0 +1,23 @@ +; RUN: llc -march=arm < %s | FileCheck %s +; <rdar://problem/8686347> + +define i32 @test1(i1 %a, i32* %b) { +; CHECK: test1 +entry: + br i1 %a, label %lblock, label %rblock + +lblock: + %lbranch = getelementptr i32* %b, i32 1 + br label %end + +rblock: + %rbranch = getelementptr i32* %b, i32 1 + br label %end + +end: +; CHECK: ldr r0, [r1, #4] + %gep = phi i32* [%lbranch, %lblock], [%rbranch, %rblock] + %r = load i32* %gep +; CHECK-NEXT: bx lr + ret i32 %r +}
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