diff options
| -rw-r--r-- | llvm/test/Transforms/SimplifyCFG/inline-asm-sink.ll | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SimplifyCFG/inline-asm-sink.ll b/llvm/test/Transforms/SimplifyCFG/inline-asm-sink.ll new file mode 100644 index 00000000000..7fbaa735059 --- /dev/null +++ b/llvm/test/Transforms/SimplifyCFG/inline-asm-sink.ll @@ -0,0 +1,29 @@ +; RUN: opt < %s -simplifycfg -S | FileCheck %s + +define i32 @test(i32 %x) { +; CHECK-LABEL: @test +entry: + %y = alloca i32, align 4 + %tobool = icmp ne i32 %x, 0 + br i1 %tobool, label %if.then, label %if.else + +if.then: +; CHECK-LABEL: if.then: +; CHECK: [[ASM1:%.*]] = call i32 asm "mov $0, #1", "=r"() + %tmp1 = call i32 asm "mov $0, #1", "=r"() nounwind readnone + store i32 %tmp1, i32* %y, align 4 + br label %if.end + +if.else: +; CHECK-LABEL: if.else: +; CHECK: [[ASM2:%.*]] = call i32 asm "mov $0, #2", "=r"() + %tmp2 = call i32 asm "mov $0, #2", "=r"() nounwind readnone + store i32 %tmp2, i32* %y, align 4 + br label %if.end + +if.end: +; CHECK-LABEL: if.end: +; CHECK: {{%.*}} = phi i32 [ [[ASM2]], %if.else ], [ [[ASM1]], %if.then ] + %tmp3 = load i32, i32* %y, align 4 + ret i32 %tmp3 +} |
