107 lines
3.4 KiB
ArmAsm
107 lines
3.4 KiB
ArmAsm
// This test checks that the unwinding opcodes are remapped to more
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// efficient ones where possible.
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// RUN: llvm-mc -triple aarch64-pc-win32 -filetype=obj %s -o %t.o
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// RUN: llvm-readobj -u %t.o | FileCheck %s
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// CHECK: UnwindInformation [
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// CHECK-NEXT: RuntimeFunction {
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// CHECK-NEXT: Function: func
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// CHECK-NEXT: ExceptionRecord: .xdata
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// CHECK-NEXT: ExceptionData {
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// CHECK: Prologue [
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// CHECK-NEXT: 0xd882 ; stp d10, d11, [sp, #16]
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// CHECK-NEXT: 0xda07 ; stp d8, d9, [sp, #-64]!
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// CHECK-NEXT: 0xe6 ; save next
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// CHECK-NEXT: 0x28 ; stp x19, x20, [sp, #-64]!
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// CHECK-NEXT: 0xca49 ; stp x28, x29, [sp, #72]
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// CHECK-NEXT: 0xe6 ; save next
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// CHECK-NEXT: 0xe6 ; save next
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// CHECK-NEXT: 0xe6 ; save next
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// CHECK-NEXT: 0xcc47 ; stp x20, x21, [sp, #-64]!
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// CHECK-NEXT: 0x42 ; stp x29, x30, [sp, #16]
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// CHECK-NEXT: 0xca02 ; stp x27, x28, [sp, #16]
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// CHECK-NEXT: 0x83 ; stp x29, x30, [sp, #-32]!
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// CHECK-NEXT: 0xce03 ; stp x27, x28, [sp, #-32]!
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// CHECK-NEXT: 0xe1 ; mov fp, sp
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// CHECK-NEXT: 0xe201 ; add fp, sp, #8
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// CHECK-NEXT: 0xe4 ; end
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// CHECK-NEXT: ]
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// CHECK-NEXT: EpilogueScopes [
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// CHECK-NEXT: EpilogueScope {
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// CHECK: Opcodes [
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// CHECK-NEXT: 0xc904 ; ldp x23, x24, [sp, #32]
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// CHECK-NEXT: 0xe6 ; restore next
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// CHECK-NEXT: 0xcc83 ; ldp x21, x22, [sp], #32
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// CHECK-NEXT: 0x24 ; ldp x19, x20, [sp], #32
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// CHECK-NEXT: 0xcc1f ; ldp x19, x20, [sp], #256
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// CHECK-NEXT: 0xe4 ; end
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// CHECK-NEXT: ]
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// CHECK-NEXT: }
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// CHECK-NEXT: ]
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: ]
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.text
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.globl func
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.seh_proc func
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func:
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add x29, sp, #8
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.seh_add_fp 8
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add x29, sp, #0
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.seh_add_fp 0
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stp x27, x28, [sp, #-32]!
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.seh_save_regp_x x27, 32
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stp x29, x30, [sp, #-32]!
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.seh_save_regp_x x29, 32
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stp x27, x28, [sp, #16]
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.seh_save_regp x27, 16
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stp x29, x30, [sp, #16]
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.seh_save_regp x29, 16
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stp x20, x21, [sp, #-64]!
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.seh_save_regp_x x20, 64
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stp x22, x23, [sp, #16]
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.seh_save_regp x22, 16
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stp x24, x25, [sp, #32]
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.seh_save_next
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stp x26, x27, [sp, #48]
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.seh_save_regp x26, 48
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stp x28, x29, [sp, #72]
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.seh_save_regp x28, 72
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stp x19, x20, [sp, #-64]!
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.seh_save_r19r20_x 64
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stp x21, x22, [sp, #16]
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.seh_save_regp x21, 16
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stp d8, d9, [sp, #-64]!
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.seh_save_fregp_x d8, 64
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stp d10, d11, [sp, #16]
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// This is intentionally not converted into a save_next, to avoid
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// bugs in the windows unwinder.
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.seh_save_fregp d10, 16
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.seh_endprologue
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nop
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.seh_startepilogue
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ldp x27, x28, [sp, #32]
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.seh_save_regp x23, 32
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ldp x23, x24, [sp, #16]
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.seh_save_regp x23, 16
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ldp x21, x22, [sp], #32
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.seh_save_regp_x x21, 32
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ldp x19, x20, [sp], #32
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.seh_save_regp_x x19, 32
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ldp x19, x20, [sp], #256
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.seh_save_regp_x x19, 256
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.seh_endepilogue
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ret
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.seh_endproc
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