| ; RUN: llc -mtriple=x86_64-windows-msvc %s -o - -verify-machineinstrs | FileCheck %s -check-prefix=WINDOWS |
| ; RUN: llc -mtriple=x86_64-linux-gnu %s -o - -verify-machineinstrs | FileCheck %s -check-prefix=LINUX |
| |
| declare void @h(ptr, i64, ptr) |
| |
| define tailcc void @tailcall_frame(ptr %0, i64 %1) sspreq { |
| ; WINDOWS-LABEL: tailcall_frame: |
| ; WINDOWS: callq __security_check_cookie |
| ; WINDOWS: xorl %ecx, %ecx |
| ; WINDOWS: jmp h |
| |
| ; LINUX-LABEL: tailcall_frame: |
| ; LINUX: jne |
| ; LINUX: jmp h |
| ; LINUX: callq __stack_chk_fail |
| |
| tail call tailcc void @h(ptr null, i64 0, ptr null) |
| ret void |
| } |
| |
| declare void @bar() |
| define void @tailcall_unrelated_frame() sspreq { |
| ; WINDOWS-LABEL: tailcall_unrelated_frame: |
| ; WINDOWS: subq [[STACK:\$.*]], %rsp |
| ; WINDOWS: callq bar |
| ; WINDOWS: callq __security_check_cookie |
| ; WINDOWS: addq [[STACK]], %rsp |
| ; WINDOWS: jmp bar |
| |
| ; LINUX-LABEL: tailcall_unrelated_frame: |
| ; LINUX: callq bar |
| ; LINUX: jne |
| ; LINUX: jmp bar |
| ; LINUX: callq __stack_chk_fail |
| |
| call void @bar() |
| tail call void @bar() |
| ret void |
| } |
