From 9b0e1e7a5b5a51fca3a86315a72d2bd49334436b Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Tue, 6 Sep 2011 17:40:35 +0000
Subject: [PATCH] Atomic pseudos don't use (as in read) CPSR. They clobber it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139148 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMInstrInfo.td | 4 ++--
 test/CodeGen/ARM/atomic-cmp.ll | 4 ++--
 test/CodeGen/ARM/atomic-op.ll  | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 00a945e8cfb..7ec6ce28b5a 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -1613,7 +1613,7 @@ PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
 
 // Atomic pseudo-insts which will be lowered to ldrexd/strexd loops.
 // (These psuedos use a hand-written selection code).
-let usesCustomInserter = 1, Uses = [CPSR] in {
+let usesCustomInserter = 1, Defs = [CPSR] in {
 def ATOMOR6432   : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
                               (ins GPR:$addr, GPR:$src1, GPR:$src2),
                               NoItinerary, []>;
@@ -4104,7 +4104,7 @@ def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
 }
 
 let usesCustomInserter = 1 in {
-  let Uses = [CPSR] in {
+  let Defs = [CPSR] in {
     def ATOMIC_LOAD_ADD_I8 : PseudoInst<
       (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
       [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
diff --git a/test/CodeGen/ARM/atomic-cmp.ll b/test/CodeGen/ARM/atomic-cmp.ll
index f31aa7bc58e..e179017d10a 100644
--- a/test/CodeGen/ARM/atomic-cmp.ll
+++ b/test/CodeGen/ARM/atomic-cmp.ll
@@ -1,5 +1,5 @@
-; RUN: llc < %s -mtriple=armv7-apple-darwin   | FileCheck %s -check-prefix=ARM
-; RUN: llc < %s -mtriple=thumbv7-apple-darwin | FileCheck %s -check-prefix=T2
+; RUN: llc < %s -mtriple=armv7-apple-darwin -verify-machineinstrs   | FileCheck %s -check-prefix=ARM
+; RUN: llc < %s -mtriple=thumbv7-apple-darwin -verify-machineinstrs | FileCheck %s -check-prefix=T2
 ; rdar://8964854
 
 define i8 @t(i8* %a, i8 %b, i8 %c) nounwind {
diff --git a/test/CodeGen/ARM/atomic-op.ll b/test/CodeGen/ARM/atomic-op.ll
index 03940e38ce8..b700eb1661d 100644
--- a/test/CodeGen/ARM/atomic-op.ll
+++ b/test/CodeGen/ARM/atomic-op.ll
@@ -1,5 +1,5 @@
-; RUN: llc < %s -mtriple=armv7-apple-darwin10 | FileCheck %s
-; RUN: llc < %s -mtriple=thumbv7-apple-darwin10 | FileCheck %s
+; RUN: llc < %s -mtriple=armv7-apple-darwin10 -verify-machineinstrs | FileCheck %s
+; RUN: llc < %s -mtriple=thumbv7-apple-darwin10 -verify-machineinstrs | FileCheck %s
 
 define void @func(i32 %argc, i8** %argv) nounwind {
 entry: