Enable pre-RA virtual frame base register allocation. rdar://8277890

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112127 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/lib/Target/ARM/ARMBaseRegisterInfo.cpp
index bceaceb0805c36e603b0ba104ad8f0a8b7f3dc20..eb56e448a9c137429101c3a3992f4cf0713b1281 100644 (file)
--- a/lib/Target/ARM/ARMBaseRegisterInfo.cpp
+++ b/lib/Target/ARM/ARMBaseRegisterInfo.cpp
@@ -47,7 +47,7 @@ static cl::opt<bool>
 ForceAllBaseRegAlloc("arm-force-base-reg-alloc", cl::Hidden, cl::init(false),
           cl::desc("Force use of virtual base registers for stack load/store"));
 static cl::opt<bool>
-EnableLocalStackAlloc("enable-local-stack-alloc", cl::init(false), cl::Hidden,
+EnableLocalStackAlloc("enable-local-stack-alloc", cl::init(true), cl::Hidden,
           cl::desc("Enable pre-regalloc stack frame index allocation"));
 }
 

diff --git a/test/CodeGen/Thumb/large-stack.ll b/test/CodeGen/Thumb/large-stack.ll
index b05e6bf604ec16465963564ddd42e5d7b61b95af..b289484f5efbe8a8d90fc31d2a61d85a24fc0d40 100644 (file)
--- a/test/CodeGen/Thumb/large-stack.ll
+++ b/test/CodeGen/Thumb/large-stack.ll
@@ -20,8 +20,8 @@ define void @test2() {
 
 define i32 @test3() {
 ; CHECK: test3:
-; CHECK: ldr r1, LCPI
-; CHECK: add sp, r1
+; CHECK: ldr r2, LCPI
+; CHECK: add sp, r2
 ; CHECK: ldr r1, LCPI
 ; CHECK: add r1, sp
 ; CHECK: mov sp, r7