Move the segmented stack switch to a function attribute
This removes the -segmented-stacks command line flag in favor of a
per-function "split-stack" attribute.
Patch by Luqman Aden and Alex Crichton!
llvm-svn: 205997
diff --git a/llvm/test/CodeGen/Thumb2/segmented-stacks.ll b/llvm/test/CodeGen/Thumb2/segmented-stacks.ll
index 602fc84..38bf915 100644
--- a/llvm/test/CodeGen/Thumb2/segmented-stacks.ll
+++ b/llvm/test/CodeGen/Thumb2/segmented-stacks.ll
@@ -1,11 +1,11 @@
-; RUN: llc < %s -mtriple=thumb-linux-androideabi -march=thumb -mcpu=arm1156t2-s -mattr=+thumb2 -segmented-stacks -verify-machineinstrs | FileCheck %s -check-prefix=Thumb-android
-; RUN: llc < %s -mtriple=thumb-linux-androideabi -march=thumb -mcpu=arm1156t2-s -mattr=+thumb2 -segmented-stacks -filetype=obj
+; RUN: llc < %s -mtriple=thumb-linux-androideabi -march=thumb -mcpu=arm1156t2-s -mattr=+thumb2 -verify-machineinstrs | FileCheck %s -check-prefix=Thumb-android
+; RUN: llc < %s -mtriple=thumb-linux-androideabi -march=thumb -mcpu=arm1156t2-s -mattr=+thumb2 -filetype=obj
; Just to prevent the alloca from being optimized away
declare void @dummy_use(i32*, i32)
-define void @test_basic() {
+define void @test_basic() #0 {
%mem = alloca i32, i32 10
call void @dummy_use (i32* %mem, i32 10)
ret void
@@ -30,3 +30,5 @@
; Thumb-android: pop {r4, r5}
}
+
+attributes #0 = { "split-stack" }