diff options
Diffstat (limited to 'test/Transforms/SROA/phi-and-select.ll')
| -rw-r--r-- | test/Transforms/SROA/phi-and-select.ll | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/Transforms/SROA/phi-and-select.ll b/test/Transforms/SROA/phi-and-select.ll index fb76548b1d1..e7ba2e89d79 100644 --- a/test/Transforms/SROA/phi-and-select.ll +++ b/test/Transforms/SROA/phi-and-select.ll @@ -600,3 +600,35 @@ if.then5: ; preds = %if.then2, %if.end store %struct.S undef, %struct.S* %f1, align 4 ret void } + +define i32 @phi_align(i32* %z) { +; CHECK-LABEL: @phi_align( +entry: + %a = alloca [8 x i8], align 8 +; CHECK: alloca [7 x i8] + + %a0x = getelementptr [8 x i8], [8 x i8]* %a, i64 0, i32 1 + %a0 = bitcast i8* %a0x to i32* + %a1x = getelementptr [8 x i8], [8 x i8]* %a, i64 0, i32 4 + %a1 = bitcast i8* %a1x to i32* +; CHECK: store i32 0, {{.*}}, align 1 + store i32 0, i32* %a0, align 1 +; CHECK: store i32 1, {{.*}}, align 1 + store i32 1, i32* %a1, align 4 +; CHECK: load {{.*}}, align 1 + %v0 = load i32, i32* %a0, align 1 +; CHECK: load {{.*}}, align 1 + %v1 = load i32, i32* %a1, align 4 + %cond = icmp sle i32 %v0, %v1 + br i1 %cond, label %then, label %exit + +then: + br label %exit + +exit: +; CHECK: %phi = phi i32* [ {{.*}}, %then ], [ %z, %entry ] +; CHECK-NEXT: %result = load i32, i32* %phi, align 1 + %phi = phi i32* [ %a1, %then ], [ %z, %entry ] + %result = load i32, i32* %phi, align 4 + ret i32 %result +} |