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llvm-mirror/test/CodeGen/AArch64/chkstk.ll
Martin Storsjo 786b1663a9 [AArch64] Implement stack probing for windows
Differential Revision: https://reviews.llvm.org/D41131

llvm-svn: 321150
2017-12-20 06:51:45 +00:00

26 lines
957 B
LLVM

; RUN: llc -mtriple=aarch64-windows -verify-machineinstrs %s -o - \
; RUN: | FileCheck -check-prefix CHECK-DEFAULT-CODE-MODEL %s
; RUN: llc -mtriple=aarch64-windows -verify-machineinstrs -code-model=large %s -o - \
; RUN: | FileCheck -check-prefix CHECK-LARGE-CODE-MODEL %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: orr x15, xzr, #0x100
; CHECK-DEFAULT-CODE-MODEL: bl __chkstk
; CHECK-DEFAULT-CODE-MODEL: sub sp, sp, x15, lsl #4
; CHECK-LARGE-CODE-MODEL: check_watermark:
; CHECK-LARGE-CODE-MODEL-DAG: stp x29, x30, [sp
; CHECK-LARGE-CODE-MODEL-DAG: orr x15, xzr, #0x100
; 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