[llvm-commits] [llvm] r106355 - in /llvm/trunk: lib/Target/ARM/ARMTargetMachine.cpp test/CodeGen/Thumb2/thumb2-select_xform.ll
Evan Cheng
evan.cheng at apple.com
Fri Jun 18 16:32:08 PDT 2010
Author: evancheng
Date: Fri Jun 18 18:32:07 2010
New Revision: 106355
URL: http://llvm.org/viewvc/llvm-project?rev=106355&view=rev
Log:
Move ARM if-conversion before post-ra scheduling.
Modified:
llvm/trunk/lib/Target/ARM/ARMTargetMachine.cpp
llvm/trunk/test/CodeGen/Thumb2/thumb2-select_xform.ll
Modified: llvm/trunk/lib/Target/ARM/ARMTargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMTargetMachine.cpp?rev=106355&r1=106354&r2=106355&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMTargetMachine.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMTargetMachine.cpp Fri Jun 18 18:32:07 2010
@@ -27,11 +27,6 @@
cl::desc("Form IT blocks early before register allocation"),
cl::init(false));
-static cl::opt<bool>
-EarlyIfConvert("arm-early-if-convert", cl::Hidden,
- cl::desc("Run if-conversion before post-ra scheduling"),
- cl::init(false));
-
static MCAsmInfo *createMCAsmInfo(const Target &T, StringRef TT) {
Triple TheTriple(TT);
switch (TheTriple.getOS()) {
@@ -130,7 +125,7 @@
// proper scheduling.
PM.add(createARMExpandPseudoPass());
- if (EarlyIfConvert && OptLevel != CodeGenOpt::None) {
+ if (OptLevel != CodeGenOpt::None) {
if (!Subtarget.isThumb1Only())
PM.add(createIfConverterPass());
if (Subtarget.isThumb2())
@@ -142,16 +137,8 @@
bool ARMBaseTargetMachine::addPreEmitPass(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
- if (!EarlyIfConvert && OptLevel != CodeGenOpt::None) {
- if (!Subtarget.isThumb1Only())
- PM.add(createIfConverterPass());
- }
-
- if (Subtarget.isThumb2()) {
- if (!EarlyIfConvert)
- PM.add(createThumb2ITBlockPass());
+ if (Subtarget.isThumb2())
PM.add(createThumb2SizeReductionPass());
- }
PM.add(createARMConstantIslandPass());
return true;
Modified: llvm/trunk/test/CodeGen/Thumb2/thumb2-select_xform.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Thumb2/thumb2-select_xform.ll?rev=106355&r1=106354&r2=106355&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/Thumb2/thumb2-select_xform.ll (original)
+++ llvm/trunk/test/CodeGen/Thumb2/thumb2-select_xform.ll Fri Jun 18 18:32:07 2010
@@ -3,8 +3,8 @@
define i32 @t1(i32 %a, i32 %b, i32 %c) nounwind {
; CHECK: t1
; CHECK: sub.w r0, r1, #-2147483648
+; CHECK: subs r0, #1
; CHECK: cmp r2, #10
-; CHECK: sub.w r0, r0, #1
; CHECK: it gt
; CHECK: movgt r0, r1
%tmp1 = icmp sgt i32 %c, 10
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