; RUN: llc -mtriple=x86_64-windows-msvc < %s | FileCheck %s --check-prefix=X64 ; RUN: llc -mtriple=i686-windows-msvc < %s | FileCheck %s --check-prefix=X86 declare void @llvm.va_start(i8*) declare void @llvm.va_end(i8*) declare i32 @__CxxFrameHandler3(...) declare void @g() define i32 @f(i32 %a, ...) personality i32 (...)* @__CxxFrameHandler3 { entry: %ap = alloca i8* invoke void @g() to label %return unwind label %catch.dispatch catch.dispatch: ; preds = %entry %cs1 = catchswitch within none [label %catch] unwind to caller catch: ; preds = %catch.dispatch %0 = catchpad within %cs1 [i8* null, i32 64, i8* null] %ap1 = bitcast i8** %ap to i8* call void @llvm.va_start(i8* %ap1) %argp.cur = load i8*, i8** %ap %1 = bitcast i8* %argp.cur to i32* %arg2 = load i32, i32* %1 call void @llvm.va_end(i8* %ap1) catchret from %0 to label %return return: ; preds = %entry, %catch %retval.0 = phi i32 [ %arg2, %catch ], [ -1, %entry ] ret i32 %retval.0 } ; X64-LABEL: .seh_proc f ; X64: pushq %rbp ; X64: subq $64, %rsp ; X64: leaq 64(%rsp), %rbp ; X64: movq $-2, -8(%rbp) ; X64: movl $-1, -20(%rbp) # 4-byte Folded Spill ; X64: callq g ; X64: .LBB0_1 ; X64: movl -20(%rbp), %eax # 4-byte Reload ; X64: addq $64, %rsp ; X64: popq %rbp ; X64-LABEL: "?catch${{[0-9]}}@?0?f@4HA": ; X64: .seh_proc "?catch${{[0-9]}}@?0?f@4HA" ; X64: movq %rdx, 16(%rsp) ; X64: pushq %rbp ; X64: subq $32, %rsp ; X64: leaq 64(%rdx), %rbp ; arg2 is at RBP+40: ; start at arg2 ; + 8 for arg1 ; + 8 for retaddr ; + 8 for RBP ; + 64 for stackalloc ; - 64 for setframe ; = 40 ; X64: movl 24(%rbp), %eax ; X64: movl %eax, -20(%rbp) # 4-byte Spill ; X64: leaq .LBB0_1(%rip), %rax ; X64: addq $32, %rsp ; X64: popq %rbp ; X64: retq # CATCHRET ; X86-LABEL: _f: # @f ; X86: pushl %ebp ; X86: movl %esp, %ebp ; X86: pushl %ebx ; X86: pushl %edi ; X86: pushl %esi ; X86: subl $24, %esp ; X86: movl $-1, -36(%ebp) ; X86: calll _g ; X86: LBB0_[[retbb:[0-9]+]]: ; X86: movl -36(%ebp), %eax ; X86: addl $24, %esp ; X86: popl %esi ; X86: popl %edi ; X86: popl %ebx ; X86: popl %ebp ; X86: retl ; X86: LBB0_[[restorebb:[0-9]+]]: # Block address taken ; X86: addl $12, %ebp ; arg2 is at EBP offset 12: ; + 4 for arg1 ; + 4 for retaddr ; + 4 for EBP ; X86: movl 12(%ebp), %eax ; X86: movl %eax, -36(%ebp) ; X86: jmp LBB0_[[retbb]] ; X86-LABEL: "?catch${{[0-9]}}@?0?f@4HA": ; X86: pushl %ebp ; X86: addl $12, %ebp ; Done due to mov %esp, %ebp ; X86: leal 12(%ebp), %eax ; X86: movl $LBB0_[[restorebb]], %eax ; X86: popl %ebp ; X86: retl # CATCHRET