diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/xray-tail-call-sled.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/xray-tail-call-sled.ll | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/xray-tail-call-sled.ll b/llvm/test/CodeGen/X86/xray-tail-call-sled.ll new file mode 100644 index 00000000000..451993c8815 --- /dev/null +++ b/llvm/test/CodeGen/X86/xray-tail-call-sled.ll @@ -0,0 +1,41 @@ +; RUN: llc -filetype=asm -o - -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s + +define i32 @callee() nounwind noinline uwtable "function-instrument"="xray-always" { +; CHECK: .p2align 1, 0x90 +; CHECK-LABEL: Lxray_sled_0: +; CHECK-NEXT: .ascii "\353\t" +; CHECK-NEXT: nopw 512(%rax,%rax) +; CHECK-LABEL: Ltmp0: + ret i32 0 +; CHECK: .p2align 1, 0x90 +; CHECK-LABEL: Lxray_sled_1: +; CHECK-NEXT: retq +; CHECK-NEXT: nopw %cs:512(%rax,%rax) +} +; CHECK: .p2align 4, 0x90 +; CHECK-NEXT: .quad .Lxray_synthetic_0 +; CHECK-NEXT: .section xray_instr_map,{{.*}} +; CHECK-LABEL: Lxray_synthetic_0: +; CHECK: .quad .Lxray_sled_0 +; CHECK: .quad .Lxray_sled_1 + +define i32 @caller() nounwind noinline uwtable "function-instrument"="xray-always" { +; CHECK: .p2align 1, 0x90 +; CHECK-LABEL: Lxray_sled_2: +; CHECK-NEXT: .ascii "\353\t" +; CHECK-NEXT: nopw 512(%rax,%rax) +; CHECK-LABEL: Ltmp1: +; CHECK: .p2align 1, 0x90 +; CHECK-LABEL: Lxray_sled_3: +; CHECK-NEXT: .ascii "\353\t" +; CHECK-NEXT: nopw 512(%rax,%rax) +; CHECK-LABEL: Ltmp2: + %retval = tail call i32 @callee() +; CHECK: jmp callee # TAILCALL + ret i32 %retval +} +; CHECK: .p2align 4, 0x90 +; CHECK-NEXT: .quad .Lxray_synthetic_1 +; CHECK-LABEL: Lxray_synthetic_1: +; CHECK: .quad .Lxray_sled_2 +; CHECK: .quad .Lxray_sled_3 |
