1 ; RUN: llc -mtriple=x86_64-windows-msvc < %s | FileCheck %s --check-prefix=X64
2 ; RUN: llc -mtriple=i686-windows-msvc < %s | FileCheck %s --check-prefix=X86
4 declare void @llvm.va_start(i8*)
5 declare void @llvm.va_end(i8*)
6 declare i32 @__CxxFrameHandler3(...)
9 define i32 @f(i32 %a, ...) personality i32 (...)* @__CxxFrameHandler3 {
13 to label %return unwind label %catch.dispatch
15 catch.dispatch: ; preds = %entry
16 %0 = catchpad [i8* null, i32 64, i8* null]
17 to label %catch unwind label %catchendblock
19 catch: ; preds = %catch.dispatch
20 %ap1 = bitcast i8** %ap to i8*
21 call void @llvm.va_start(i8* %ap1)
22 %argp.cur = load i8*, i8** %ap
23 %1 = bitcast i8* %argp.cur to i32*
24 %arg2 = load i32, i32* %1
25 call void @llvm.va_end(i8* %ap1)
26 catchret %0 to label %return
28 catchendblock: ; preds = %catch.dispatch
29 catchendpad unwind to caller
31 return: ; preds = %entry, %catch
32 %retval.0 = phi i32 [ %arg2, %catch ], [ -1, %entry ]
36 ; X64-LABEL: .seh_proc f
40 ; X64: leaq 48(%rsp), %rbp
41 ; X64: movq $-2, (%rbp)
43 ; X64: movl %esi, %eax
48 ; X64: movl -4(%rbp), %esi
51 ; X64-LABEL: "?catch$1@?0?f@4HA":
52 ; X64: .seh_proc "?catch$1@?0?f@4HA"
53 ; X64: movq %rdx, 16(%rsp)
57 ; X64: leaq 48(%rdx), %rbp
67 ; X64: movl 40(%rbp), %eax
68 ; X64: movl %eax, -4(%rbp)
69 ; X64: leaq .LBB0_2(%rip), %rax
73 ; X64: retq # CATCHRET
77 ; X86: movl %esp, %ebp
82 ; X86: movl $-1, -40(%ebp)
84 ; X86: movl -40(%ebp), %eax
92 ; X86-LABEL: "?catch$1@?0?f@4HA":
95 ; arg2 is at EBP offset 12:
99 ; Done due to mov %esp, %ebp
100 ; X86: movl 12(%ebp), %eax
101 ; X86: movl %eax, -32(%ebp)
102 ; X86: movl $LBB0_2, %eax
104 ; X86: retl # CATCHRET