diff options
Diffstat (limited to 'test/CodeGen/AArch64/arm64-stackmap-nops.ll')
| -rw-r--r-- | test/CodeGen/AArch64/arm64-stackmap-nops.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/arm64-stackmap-nops.ll b/test/CodeGen/AArch64/arm64-stackmap-nops.ll new file mode 100644 index 0000000..5915b64 --- /dev/null +++ b/test/CodeGen/AArch64/arm64-stackmap-nops.ll @@ -0,0 +1,15 @@ +; RUN: llc < %s -mtriple=arm64-apple-darwin | FileCheck %s + +define void @test_shadow_optimization() { +entry: +; Expect 8 bytes worth of nops here rather than 16: With the shadow optimization +; in place, 8 bytes will be consumed by the frame teardown and return instr. +; CHECK-LABEL: test_shadow_optimization: +; CHECK: nop +; CHECK-NEXT: nop +; CHECK-NOT: nop + tail call void (i64, i32, ...)* @llvm.experimental.stackmap(i64 0, i32 16) + ret void +} + +declare void @llvm.experimental.stackmap(i64, i32, ...) |