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1a347f2b7a
This extends the use of this attribute on ARM and AArch64 from SVN r325900 (where it was only checked for fixed stack allocations on ARM/AArch64, but for all stack allocations on X86). This also adds a testcase for the existing use of disabling the fixed stack probe with the attribute on ARM and AArch64. Differential Revision: https://reviews.llvm.org/D44291 llvm-svn: 327897
13 lines
291 B
LLVM
13 lines
291 B
LLVM
; RUN: llc -mtriple=aarch64-windows -verify-machineinstrs %s -o - \
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; RUN: | FileCheck %s
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define void @check_watermark() "no-stack-arg-probe" {
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entry:
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%buffer = alloca [4096 x i8], align 1
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ret void
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}
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; CHECK: check_watermark:
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; CHECK: sub sp, sp, #1, lsl #12
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; CHECK-NOT: bl __chkstk
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