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Move the segmented stack switch to a function attribute

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This removes the -segmented-stacks command line flag in favor of a
per-function "split-stack" attribute.

Patch by Luqman Aden and Alex Crichton!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205997 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Kleckner
2014-04-10 22:58:43 +00:00
parent ee66766568
commit bc1fd917f0
17 changed files with 136 additions and 94 deletions
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8
test/CodeGen/ARM/debug-segmented-stacks.ll
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@@ -1,11 +1,11 @@
; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -segmented-stacks -verify-machineinstrs -filetype=asm | FileCheck %s -check-prefix=ARM-linux
; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -segmented-stacks -filetype=obj
; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -verify-machineinstrs -filetype=asm | FileCheck %s -check-prefix=ARM-linux
; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -filetype=obj
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!9, !10}
!llvm.ident = !{!11}
define void @test_basic() {
define void @test_basic() #0 {
%mem = alloca i32, i32 10
call void @dummy_use (i32* %mem, i32 10)
ret void
@@ -78,3 +78,5 @@ define void @test_basic() {
; Just to prevent the alloca from being optimized away
declare void @dummy_use(i32*, i32)
attributes #0 = { "split-stack" }