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llvm-mirror/test/CodeGen/AArch64/chkstk.ll
Sanjin Sijaric a41bbe57fe [ARM64] [Windows] Exception handling support in frame lowering
Emit pseudo instructions indicating unwind codes corresponding to each
instruction inside the prologue/epilogue.  These are used by the MCLayer to
populate the .xdata section.

Differential Revision: https://reviews.llvm.org/D50288

llvm-svn: 345701
2018-10-31 09:27:01 +00:00

34 lines
1.5 KiB
LLVM

; RUN: llc -mtriple=aarch64-windows -verify-machineinstrs %s -o - \
; RUN: | FileCheck -check-prefix CHECK-DEFAULT-CODE-MODEL %s
; RUN: llc -mtriple=aarch64-windows -print-machineinstrs=prologepilog %s -o - 2>&1 \
; RUN: | FileCheck -check-prefix CHECK-REGSTATE %s
; RUN: llc -mtriple=aarch64-windows -verify-machineinstrs -code-model=large %s -o - \
; RUN: | FileCheck -check-prefix CHECK-LARGE-CODE-MODEL %s
; RUN: llc -mtriple=aarch64-windows -print-machineinstrs=prologepilog -code-model=large %s -o - 2>&1 \
; RUN: | FileCheck -check-prefix CHECK-REGSTATE-LARGE %s
define void @check_watermark() {
entry:
%buffer = alloca [4096 x i8], align 1
ret void
}
; CHECK-DEFAULT-CODE-MODEL: check_watermark:
; CHECK-DEFAULT-CODE-MODEL-DAG: stp x29, x30, [sp
; CHECK-DEFAULT-CODE-MODEL-DAG: mov x15, #256
; CHECK-DEFAULT-CODE-MODEL: bl __chkstk
; CHECK-DEFAULT-CODE-MODEL: sub sp, sp, x15, lsl #4
; CHECK-REGSTATE: frame-setup BL &__chkstk, implicit-def $lr, implicit $sp, implicit $x15, implicit-def dead $x16, implicit-def dead $x17, implicit-def dead $nzcv
; CHECK-LARGE-CODE-MODEL: check_watermark:
; CHECK-LARGE-CODE-MODEL-DAG: stp x29, x30, [sp
; CHECK-LARGE-CODE-MODEL-DAG: mov x15, #256
; CHECK-LARGE-CODE-MODEL-DAG: adrp x16, __chkstk
; CHECK-LARGE-CODE-MODEL-DAG: add x16, x16, __chkstk
; CHECK-LARGE-CODE-MODEL: blr x16
; CHECK-LARGE-CODE-MODEL: sub sp, sp, x15, lsl #4
; CHECK-REGSTATE-LARGE: frame-setup BLR killed $x16, implicit-def $lr, implicit $sp, implicit-def $x15, implicit-def dead $x16, implicit-def dead $x17, implicit-def dead $nzcv