diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2013-12-22 00:04:03 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2013-12-22 00:04:03 +0000 |
| commit | f8af5cf600354830d4ccf59732403f0f073eccb9 (patch) | |
| tree | 2ba0398b4c42ad4f55561327538044fd2c925a8b /test/Transforms/InstCombine/phi-select-constexpr.ll | |
| parent | 59d6cff90eecf31cb3dd860c4e786674cfdd42eb (diff) | |
Diffstat (limited to 'test/Transforms/InstCombine/phi-select-constexpr.ll')
| -rw-r--r-- | test/Transforms/InstCombine/phi-select-constexpr.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/phi-select-constexpr.ll b/test/Transforms/InstCombine/phi-select-constexpr.ll new file mode 100644 index 0000000000000..054e0691d47a0 --- /dev/null +++ b/test/Transforms/InstCombine/phi-select-constexpr.ll @@ -0,0 +1,19 @@ +; RUN: opt < %s -S -instcombine | FileCheck %s +@A = extern_weak global i32, align 4 +@B = extern_weak global i32, align 4 + +define i32 @foo(i1 %which) { +entry: + br i1 %which, label %final, label %delay + +delay: + br label %final + +; CHECK-LABEL: final: +; CHECK: phi i32 [ 1, %entry ], [ select (i1 icmp eq (i32* @A, i32* @B), i32 2, i32 1), %delay ] +final: + %use2 = phi i1 [ false, %entry ], [ icmp eq (i32* @A, i32* @B), %delay ] + %value = select i1 %use2, i32 2, i32 1 + ret i32 %value +} + |