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TheRock/compiler/amd-llvm/llvm/test/MC/AArch64/seh-multi-epilog.s
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63 lines
1.9 KiB
ArmAsm

// This test checks that we emit allow multiple consecutive epilogs without
// triggering failed asserts.unwind info correctly for epilogs that:
// RUN: llvm-mc -triple aarch64-pc-win32 -filetype=obj %s -o %t.o
// RUN: llvm-readobj -u %t.o | FileCheck %s
// CHECK-LABEL:UnwindInformation [
// CHECK-NEXT: RuntimeFunction {
// CHECK-NEXT: Function: multi_epilog (0x0)
// CHECK-NEXT: ExceptionRecord: .xdata (0x0)
// CHECK-NEXT: ExceptionData {
// CHECK-NEXT: FunctionLength: 20
// CHECK-NEXT: Version: 0
// CHECK-NEXT: ExceptionData: No
// CHECK-NEXT: EpiloguePacked: No
// CHECK-NEXT: EpilogueScopes: 2
// CHECK-NEXT: ByteCodeLength: 4
// CHECK-NEXT: Prologue [
// CHECK-NEXT: 0x81 ; stp x29, x30, [sp, #-16]!
// CHECK-NEXT: 0xe4 ; end
// CHECK-NEXT: ]
// CHECK-NEXT: EpilogueScopes [
// CHECK-NEXT: EpilogueScope {
// CHECK-NEXT: StartOffset: 2
// CHECK-NEXT: EpilogueStartIndex: 0
// CHECK-NEXT: Opcodes [
// CHECK-NEXT: 0x81 ; ldp x29, x30, [sp], #16
// CHECK-NEXT: 0xe4 ; end
// CHECK-NEXT: ]
// CHECK-NEXT: }
// CHECK-NEXT: EpilogueScope {
// CHECK-NEXT: StartOffset: 3
// CHECK-NEXT: EpilogueStartIndex: 0
// CHECK-NEXT: Opcodes [
// CHECK-NEXT: 0x81 ; ldp x29, x30, [sp], #16
// CHECK-NEXT: 0xe4 ; end
// CHECK-NEXT: ]
// CHECK-NEXT: }
// CHECK-NEXT: ]
// CHECK-NEXT: }
// CHECK-NEXT: }
// CHECK-NEXT:]
.text
.global multi_epilog
.p2align 2
.seh_proc multi_epilog
multi_epilog:
stp x29, lr, [sp, #-16]!
.seh_save_fplr_x 16
.seh_endprologue
nop
.seh_startepilogue
ldp x29, lr, [sp], #16
.seh_save_fplr_x 16
.seh_endepilogue
.seh_startepilogue
ldp x29, lr, [sp], #16
.seh_save_fplr_x 16
.seh_endepilogue
ret
.seh_endfunclet
.seh_endproc