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/ARM/debug-segmented-stacks.ll b/llvm/test/CodeGen/ARM/debug-segmented-stacks.ll
index b0dc467..e866b4e 100644
--- a/llvm/test/CodeGen/ARM/debug-segmented-stacks.ll
+++ b/llvm/test/CodeGen/ARM/debug-segmented-stacks.ll
@@ -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 @@
; Just to prevent the alloca from being optimized away
declare void @dummy_use(i32*, i32)
+
+attributes #0 = { "split-stack" }
diff --git a/llvm/test/CodeGen/ARM/segmented-stacks-dynamic.ll b/llvm/test/CodeGen/ARM/segmented-stacks-dynamic.ll
index 13b5bcf..77c62de 100644
--- a/llvm/test/CodeGen/ARM/segmented-stacks-dynamic.ll
+++ b/llvm/test/CodeGen/ARM/segmented-stacks-dynamic.ll
@@ -1,12 +1,12 @@
-; RUN: llc < %s -mtriple=arm-linux-androideabi -segmented-stacks -verify-machineinstrs | FileCheck %s -check-prefix=ARM-android
-; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -segmented-stacks -verify-machineinstrs | FileCheck %s -check-prefix=ARM-linux
-; RUN: llc < %s -mtriple=arm-linux-androideabi -segmented-stacks -filetype=obj
-; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -segmented-stacks -filetype=obj
+; RUN: llc < %s -mtriple=arm-linux-androideabi -verify-machineinstrs | FileCheck %s -check-prefix=ARM-android
+; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -verify-machineinstrs | FileCheck %s -check-prefix=ARM-linux
+; RUN: llc < %s -mtriple=arm-linux-androideabi -filetype=obj
+; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -filetype=obj
; Just to prevent the alloca from being optimized away
declare void @dummy_use(i32*, i32)
-define i32 @test_basic(i32 %l) {
+define i32 @test_basic(i32 %l) #0 {
%mem = alloca i32, i32 %l
call void @dummy_use (i32* %mem, i32 %l)
%terminate = icmp eq i32 %l, 0
@@ -60,3 +60,5 @@
; ARM-android: pop {r4, r5}
}
+
+attributes #0 = { "split-stack" }
diff --git a/llvm/test/CodeGen/ARM/segmented-stacks.ll b/llvm/test/CodeGen/ARM/segmented-stacks.ll
index 5eff633..a7804b9 100644
--- a/llvm/test/CodeGen/ARM/segmented-stacks.ll
+++ b/llvm/test/CodeGen/ARM/segmented-stacks.ll
@@ -1,15 +1,15 @@
-; RUN: llc < %s -mtriple=arm-linux-androideabi -segmented-stacks -verify-machineinstrs | FileCheck %s -check-prefix=ARM-android
-; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -segmented-stacks -verify-machineinstrs | FileCheck %s -check-prefix=ARM-linux
+; RUN: llc < %s -mtriple=arm-linux-androideabi -verify-machineinstrs | FileCheck %s -check-prefix=ARM-android
+; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -verify-machineinstrs | FileCheck %s -check-prefix=ARM-linux
; We used to crash with filetype=obj
-; RUN: llc < %s -mtriple=arm-linux-androideabi -segmented-stacks -filetype=obj
-; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -segmented-stacks -filetype=obj
+; RUN: llc < %s -mtriple=arm-linux-androideabi -filetype=obj
+; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -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
@@ -54,7 +54,7 @@
}
-define i32 @test_nested(i32 * nest %closure, i32 %other) {
+define i32 @test_nested(i32 * nest %closure, i32 %other) #0 {
%addend = load i32 * %closure
%result = add i32 %other, %addend
ret i32 %result
@@ -99,7 +99,7 @@
}
-define void @test_large() {
+define void @test_large() #0 {
%mem = alloca i32, i32 10000
call void @dummy_use (i32* %mem, i32 0)
ret void
@@ -144,7 +144,7 @@
}
-define fastcc void @test_fastcc() {
+define fastcc void @test_fastcc() #0 {
%mem = alloca i32, i32 10
call void @dummy_use (i32* %mem, i32 10)
ret void
@@ -189,7 +189,7 @@
}
-define fastcc void @test_fastcc_large() {
+define fastcc void @test_fastcc_large() #0 {
%mem = alloca i32, i32 10000
call void @dummy_use (i32* %mem, i32 0)
ret void
@@ -233,3 +233,5 @@
; ARM-android: pop {r4, r5}
}
+
+attributes #0 = { "split-stack" }