| David Majnemer | a80c151 | 2015-09-29 20:12:33 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple=x86_64-windows-msvc < %s | FileCheck %s |
| 2 | |
| 3 | target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" |
| 4 | target triple = "x86_64-pc-windows-msvc" |
| 5 | |
| 6 | define void @"\01?f@@YAXXZ"(i1 %B) personality i32 (...)* @__CxxFrameHandler3 { |
| 7 | entry: |
| 8 | invoke void @g() |
| 9 | to label %unreachable unwind label %cleanupblock |
| 10 | |
| 11 | cleanupblock: |
| 12 | %cleanp = cleanuppad [] |
| 13 | call void @g() |
| 14 | cleanupret %cleanp unwind label %catch.dispatch |
| 15 | |
| 16 | catch.dispatch: |
| 17 | %cp = catchpad [i8* null, i32 64, i8* null] |
| 18 | to label %catch unwind label %catchendblock |
| 19 | |
| 20 | catch: |
| 21 | call void @g() |
| 22 | catchret %cp to label %try.cont |
| 23 | |
| 24 | try.cont: |
| 25 | ret void |
| 26 | |
| 27 | catchendblock: |
| 28 | catchendpad unwind to caller |
| 29 | |
| 30 | unreachable: |
| 31 | unreachable |
| 32 | } |
| 33 | |
| 34 | |
| 35 | declare void @g() |
| 36 | |
| 37 | declare i32 @__CxxFrameHandler3(...) |
| 38 | |
| 39 | ; Destructors need CFI but they shouldn't use the .seh_handler directive. |
| 40 | ; CHECK: "?dtor$[[cleanup:[0-9]+]]@?0??f@@YAXXZ@4HA": |
| 41 | ; CHECK: .seh_proc "?dtor$[[cleanup]]@?0??f@@YAXXZ@4HA" |
| 42 | ; CHECK-NOT: .seh_handler __CxxFrameHandler3 |
| 43 | ; CHECK: LBB0_[[cleanup]]: # %cleanupblock{{$}} |
| 44 | |
| 45 | ; Emit CFI for pushing RBP. |
| 46 | ; CHECK: movq %rdx, 16(%rsp) |
| 47 | ; CHECK: pushq %rbp |
| 48 | ; CHECK: .seh_pushreg 5 |
| 49 | |
| 50 | ; Emit CFI for allocating from the stack pointer. |
| 51 | ; CHECK: subq $32, %rsp |
| 52 | ; CHECK: .seh_stackalloc 32 |
| 53 | |
| 54 | ; FIXME: This looks wrong... |
| 55 | ; CHECK: leaq 32(%rsp), %rbp |
| 56 | ; CHECK: .seh_setframe 5, 32 |
| 57 | |
| 58 | ; Prologue is done, emit the .seh_endprologue directive. |
| 59 | ; CHECK: .seh_endprologue |
| 60 | |
| 61 | ; Make sure there is a nop after a call if the call precedes the epilogue. |
| 62 | ; CHECK: callq g |
| 63 | ; CHECK-NEXT: nop |
| 64 | |
| 65 | ; Don't emit a reference to the LSDA. |
| 66 | ; CHECK: .seh_handlerdata |
| 67 | ; CHECK-NOT: .long ("$cppxdata$?f@@YAXXZ")@IMGREL |
| 68 | ; CHECK-NEXT: .text |
| 69 | ; CHECK: .seh_endproc |
| 70 | |
| 71 | ; CHECK: "?catch$[[catch:[0-9]+]]@?0??f@@YAXXZ@4HA": |
| 72 | ; CHECK: .seh_proc "?catch$[[catch]]@?0??f@@YAXXZ@4HA" |
| 73 | ; CHECK-NEXT: .seh_handler __CxxFrameHandler3, @unwind, @except |
| 74 | ; CHECK: LBB0_[[catch]]: # %catch{{$}} |
| 75 | |
| 76 | ; Emit CFI for pushing RBP. |
| 77 | ; CHECK: movq %rdx, 16(%rsp) |
| 78 | ; CHECK: pushq %rbp |
| 79 | ; CHECK: .seh_pushreg 5 |
| 80 | |
| 81 | ; Emit CFI for allocating from the stack pointer. |
| 82 | ; CHECK: subq $32, %rsp |
| 83 | ; CHECK: .seh_stackalloc 32 |
| 84 | |
| 85 | ; FIXME: This looks wrong... |
| 86 | ; CHECK: leaq 32(%rsp), %rbp |
| 87 | ; CHECK: .seh_setframe 5, 32 |
| 88 | |
| 89 | ; Prologue is done, emit the .seh_endprologue directive. |
| 90 | ; CHECK: .seh_endprologue |
| 91 | |
| David Majnemer | 91b0ab9 | 2015-09-29 22:33:36 +0000 | [diff] [blame^] | 92 | ; Make sure there is at least one instruction after a call before the epilogue. |
| David Majnemer | a80c151 | 2015-09-29 20:12:33 +0000 | [diff] [blame] | 93 | ; CHECK: callq g |
| David Majnemer | 91b0ab9 | 2015-09-29 22:33:36 +0000 | [diff] [blame^] | 94 | ; CHECK-NEXT: leaq .LBB0_{{[0-9]+}}(%rip), %rax |
| David Majnemer | a80c151 | 2015-09-29 20:12:33 +0000 | [diff] [blame] | 95 | |
| 96 | ; Emit a reference to the LSDA. |
| 97 | ; CHECK: .seh_handlerdata |
| 98 | ; CHECK-NEXT: .long ("$cppxdata$?f@@YAXXZ")@IMGREL |
| 99 | ; CHECK-NEXT: .text |
| 100 | ; CHECK: .seh_endproc |