| ; RUN: llc -mtriple=i686-pc-windows-msvc -stack-symbol-ordering=0 < %s | FileCheck --check-prefix=X86 %s |
| ; RUN: llc -mtriple=x86_64-pc-windows-msvc -stack-symbol-ordering=0 < %s | FileCheck --check-prefix=X64 %s |
| |
| declare i32 @__CxxFrameHandler3(...) |
| declare void @Dtor(i64* %o) |
| declare void @f(i32) |
| |
| define void @realigned_cleanup() personality i32 (...)* @__CxxFrameHandler3 { |
| entry: |
| ; Overalign %o to cause stack realignment. |
| %o = alloca i64, align 32 |
| invoke void @f(i32 1) |
| to label %invoke.cont unwind label %ehcleanup |
| |
| invoke.cont: ; preds = %entry |
| call void @Dtor(i64* %o) |
| ret void |
| |
| ehcleanup: ; preds = %entry |
| %0 = cleanuppad within none [] |
| call void @Dtor(i64* %o) [ "funclet"(token %0) ] |
| cleanupret from %0 unwind to caller |
| } |
| |
| ; X86-LABEL: _realigned_cleanup: # @realigned_cleanup |
| ; X86: pushl %ebp |
| ; X86: movl %esp, %ebp |
| ; X86: pushl %ebx |
| ; X86: pushl %edi |
| ; X86: pushl %esi |
| ; X86: andl $-32, %esp |
| ; X86: subl $96, %esp |
| ; X86: movl %esp, %esi |
| ; EBP will reload from this offset. |
| ; X86: movl %ebp, 28(%esi) |
| ; The last EH reg field is the state number, so dtor adjust is this +4. |
| ; X86: movl $-1, 72(%esi) |
| |
| ; X86-LABEL: "?dtor$2@?0?realigned_cleanup@4HA": |
| ; X86: pushl %ebp |
| ; X86: leal -76(%ebp), %esi |
| ; X86: movl 28(%esi), %ebp |
| ; We used to have a bug where we clobbered ESI after the prologue. |
| ; X86-NOT: movl {{.*}}, %esi |
| ; X86: popl %ebp |
| ; X86: retl # CLEANUPRET |
| |
| ; X64-LABEL: realigned_cleanup: # @realigned_cleanup |
| ; X64: pushq %rbp |
| ; X64: .seh_pushreg 5 |
| ; X64: pushq %rbx |
| ; X64: .seh_pushreg 3 |
| ; X64: subq $104, %rsp |
| ; X64: .seh_stackalloc 104 |
| ; X64: leaq 96(%rsp), %rbp |
| ; X64: .seh_setframe 5, 96 |
| ; X64: .seh_endprologue |
| ; X64: andq $-32, %rsp |
| ; X64: movq %rsp, %rbx |
| ; RBP will reload from this offset. |
| ; X64: movq %rbp, 56(%rbx) |
| ; X64: movq $-2, (%rbp) |
| |
| ; X64-LABEL: "?dtor$2@?0?realigned_cleanup@4HA": |
| ; X64: movq %rdx, 16(%rsp) |
| ; X64: pushq %rbp |
| ; X64: .seh_pushreg 5 |
| ; X64: pushq %rbx |
| ; X64: .seh_pushreg 3 |
| ; X64: subq $40, %rsp |
| ; X64: .seh_stackalloc 40 |
| ; X64: leaq 96(%rdx), %rbp |
| ; X64: .seh_endprologue |
| ; X64: andq $-32, %rdx |
| ; X64: movq %rdx, %rbx |
| ; X64-NOT: mov{{.*}}, %rbx |
| ; X64: popq %rbp |
| ; X64: retq # CLEANUPRET |
