[llvm] r183966 - Enable FastISel on ARM for Linux and NaCl, not MCJIT

JF Bastien jfb at google.com
Thu Jun 13 19:49:44 PDT 2013


Author: jfb
Date: Thu Jun 13 21:49:43 2013
New Revision: 183966

URL: http://llvm.org/viewvc/llvm-project?rev=183966&view=rev
Log:
Enable FastISel on ARM for Linux and NaCl, not MCJIT

This is a resubmit of r182877, which was reverted because it broken
MCJIT tests on ARM. The patch leaves MCJIT on ARM as it was before: only
enabled for iOS. I've CC'ed people from the original review and revert.

FastISel was only enabled for iOS ARM and Thumb2, this patch enables it
for ARM (not Thumb2) on Linux and NaCl, but not MCJIT.

Thumb2 support needs a bit more work, mainly around register class
restrictions.

The patch punts to SelectionDAG when doing TLS relocation on non-Darwin
targets. I will fix this and other FastISel-to-SelectionDAG failures in
a separate patch.

The patch also forces FastISel to retain frame pointers: iOS always
keeps them for backtracking (so emitted code won't change because of
this), but Linux was getting much worse code that was incorrect when
using big frames (such as test-suite's lencod). I'll also fix this in a
later patch, it will probably require a peephole so that FastISel
doesn't rematerialize frame pointers back-to-back.

The test changes are straightforward, similar to:
  http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20130513/174279.html
They also add a vararg test that got dropped in that change.

I ran all of lnt test-suite on A15 hardware with --optimize-option=-O0
and all the tests pass. All the tests also pass on x86 make check-all. I
also re-ran the check-all tests that failed on ARM, and they all seem to
pass.

Added:
    llvm/trunk/test/CodeGen/ARM/fast-isel-vararg.ll
Modified:
    llvm/trunk/lib/ExecutionEngine/TargetSelect.cpp
    llvm/trunk/lib/Target/ARM/ARMFastISel.cpp
    llvm/trunk/test/CodeGen/ARM/fast-isel-GEP-coalesce.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-binary.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-br-const.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-call-multi-reg-return.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-call.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-cmp-imm.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-conversion.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-crash.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-crash2.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-ext.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-fold.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-frameaddr.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-icmp.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-indirectbr.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-intrinsic.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-ldrh-strh-arm.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-mvn.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-pic.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-pred.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-ret.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-select.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-shifter.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-static.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel.ll

Modified: llvm/trunk/lib/ExecutionEngine/TargetSelect.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/ExecutionEngine/TargetSelect.cpp?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/lib/ExecutionEngine/TargetSelect.cpp (original)
+++ llvm/trunk/lib/ExecutionEngine/TargetSelect.cpp Thu Jun 13 21:49:43 2013
@@ -88,6 +88,14 @@ TargetMachine *EngineBuilder::selectTarg
     FeaturesStr = Features.getString();
   }
 
+  // FIXME: non-iOS ARM FastISel is broken with MCJIT.
+  if (UseMCJIT &&
+      TheTriple.getArch() == Triple::arm &&
+      TheTriple.getOS() != Triple::IOS &&
+      OptLevel == CodeGenOpt::None) {
+    OptLevel = CodeGenOpt::Less;
+  }
+
   // Allocate a target...
   TargetMachine *Target = TheTarget->createTargetMachine(TheTriple.getTriple(),
                                                          MCPU, FeaturesStr,

Modified: llvm/trunk/lib/Target/ARM/ARMFastISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMFastISel.cpp?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMFastISel.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMFastISel.cpp Thu Jun 13 21:49:43 2013
@@ -630,6 +630,11 @@ unsigned ARMFastISel::ARMMaterializeGV(c
     (const TargetRegisterClass*)&ARM::GPRRegClass;
   unsigned DestReg = createResultReg(RC);
 
+  // FastISel TLS support on non-Darwin is broken, punt to SelectionDAG.
+  const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV);
+  bool IsThreadLocal = GVar && GVar->isThreadLocal();
+  if (!Subtarget->isTargetDarwin() && IsThreadLocal) return 0;
+
   // Use movw+movt when possible, it avoids constant pool entries.
   // Darwin targets don't support movt with Reloc::Static, see
   // ARMTargetLowering::LowerGlobalAddressDarwin.  Other targets only support
@@ -3044,13 +3049,23 @@ bool ARMFastISel::FastLowerArguments() {
 namespace llvm {
   FastISel *ARM::createFastISel(FunctionLoweringInfo &funcInfo,
                                 const TargetLibraryInfo *libInfo) {
-    // Completely untested on non-iOS.
     const TargetMachine &TM = funcInfo.MF->getTarget();
 
-    // Darwin and thumb1 only for now.
     const ARMSubtarget *Subtarget = &TM.getSubtarget<ARMSubtarget>();
-    if (Subtarget->isTargetIOS() && !Subtarget->isThumb1Only())
+    // Thumb2 support on iOS; ARM support on iOS, Linux and NaCl.
+    bool UseFastISel = false;
+    UseFastISel |= Subtarget->isTargetIOS() && !Subtarget->isThumb1Only();
+    UseFastISel |= Subtarget->isTargetLinux() && !Subtarget->isThumb();
+    UseFastISel |= Subtarget->isTargetNaCl() && !Subtarget->isThumb();
+
+    if (UseFastISel) {
+      // iOS always has a FP for backtracking, force other targets
+      // to keep their FP when doing FastISel. The emitted code is
+      // currently superior, and in cases like test-suite's lencod
+      // FastISel isn't quite correct when FP is eliminated.
+      TM.Options.NoFramePointerElim = true;
       return new ARMFastISel(funcInfo, libInfo);
+    }
     return 0;
   }
 }

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-GEP-coalesce.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-GEP-coalesce.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-GEP-coalesce.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-GEP-coalesce.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-darwin | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-darwin | FileCheck %s --check-prefix=THUMB
 
 %struct.A = type { i32, [2 x [2 x i32]], i8, [3 x [3 x [3 x i32]]] }

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-binary.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-binary.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-binary.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-binary.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
 
 ; Test add with non-legal types

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-br-const.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-br-const.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-br-const.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-br-const.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
 
 define i32 @t1(i32 %a, i32 %b) nounwind uwtable ssp {

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-call-multi-reg-return.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-call-multi-reg-return.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-call-multi-reg-return.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-call-multi-reg-return.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
 
 ; Fast-isel can't handle non-double multi-reg retvals.

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-call.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-call.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-call.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-call.ll Thu Jun 13 21:49:43 2013
@@ -1,8 +1,11 @@
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios -arm-long-calls | FileCheck %s --check-prefix=ARM-LONG
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi -arm-long-calls | FileCheck %s --check-prefix=ARM-LONG
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios -arm-long-calls | FileCheck %s --check-prefix=THUMB-LONG
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios -mattr=-vfp2 | FileCheck %s --check-prefix=ARM-NOVFP
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi -mattr=-vfp2 | FileCheck %s --check-prefix=ARM-NOVFP
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios -mattr=-vfp2 | FileCheck %s --check-prefix=THUMB-NOVFP
 
 ; Note that some of these tests assume that relocations are either

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-cmp-imm.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-cmp-imm.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-cmp-imm.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-cmp-imm.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
 
 define void @t1a(float %a) uwtable ssp {

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-conversion.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-conversion.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-conversion.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-conversion.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
 
 ; Test sitofp

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-crash.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-crash.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-crash.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-crash.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -mtriple=thumbv7-apple-darwin
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -mtriple=thumbv7-linux-gnueabi
 
 %union.anon = type { <16 x i32> }
 

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-crash2.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-crash2.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-crash2.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-crash2.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -mtriple=thumbv7-apple-darwin
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -mtriple=thumbv7-linux-gnueabi
 ; rdar://9515076
 ; (Make sure this doesn't crash.)
 

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-ext.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-ext.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-ext.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-ext.ll Thu Jun 13 21:49:43 2013
@@ -1,6 +1,9 @@
 ; RUN: llc < %s -O0 -fast-isel-abort -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=v7
+; RUN: llc < %s -O0 -fast-isel-abort -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=v7
 ; RUN: llc < %s -O0 -fast-isel-abort -mtriple=armv4t-apple-ios | FileCheck %s --check-prefix=prev6
+; RUN: llc < %s -O0 -fast-isel-abort -mtriple=armv4t-linux-gnueabi | FileCheck %s --check-prefix=prev6
 ; RUN: llc < %s -O0 -fast-isel-abort -mtriple=armv5-apple-ios | FileCheck %s --check-prefix=prev6
+; RUN: llc < %s -O0 -fast-isel-abort -mtriple=armv5-linux-gnueabi | FileCheck %s --check-prefix=prev6
 ; RUN: llc < %s -O0 -fast-isel-abort -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=v7
 
 ; Can't test pre-ARMv6 Thumb because ARM FastISel currently only supports

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-fold.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-fold.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-fold.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-fold.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-darwin | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-darwin | FileCheck %s --check-prefix=THUMB
 
 @a = global i8 1, align 1

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-frameaddr.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-frameaddr.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-frameaddr.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-frameaddr.ll Thu Jun 13 21:49:43 2013
@@ -46,8 +46,7 @@ entry:
 ; LINUX-ARM: frameaddr_index1:
 ; LINUX-ARM: push {r11}
 ; LINUX-ARM: mov r11, sp
-; LINUX-ARM: mov r0, r11
-; LINUX-ARM: ldr r0, [r0]
+; LINUX-ARM: ldr r0, [r11]
 
 ; LINUX-THUMB2: frameaddr_index1:
 ; LINUX-THUMB2: str r7, [sp, #-4]!
@@ -80,8 +79,7 @@ entry:
 ; LINUX-ARM: frameaddr_index3:
 ; LINUX-ARM: push {r11}
 ; LINUX-ARM: mov r11, sp
-; LINUX-ARM: mov r0, r11
-; LINUX-ARM: ldr r0, [r0]
+; LINUX-ARM: ldr r0, [r11]
 ; LINUX-ARM: ldr r0, [r0]
 ; LINUX-ARM: ldr r0, [r0]
 

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-icmp.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-icmp.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-icmp.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-icmp.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
 
 define i32 @icmp_i16_signed(i16 %a, i16 %b) nounwind {

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-indirectbr.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-indirectbr.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-indirectbr.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-indirectbr.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
 
 define void @t1(i8* %x) {

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-intrinsic.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-intrinsic.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-intrinsic.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-intrinsic.ll Thu Jun 13 21:49:43 2013
@@ -1,6 +1,8 @@
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios -arm-long-calls | FileCheck %s --check-prefix=ARM-LONG
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi -arm-long-calls | FileCheck %s --check-prefix=ARM-LONG
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios -arm-long-calls | FileCheck %s --check-prefix=THUMB-LONG
 
 ; Note that some of these tests assume that relocations are either
@@ -20,8 +22,8 @@ define void @t1() nounwind ssp {
 ; ARM: and r1, r1, #255
 ; ARM: bl {{_?}}memset
 ; ARM-LONG: t1
-; ARM-LONG: movw r3, :lower16:L_memset$non_lazy_ptr
-; ARM-LONG: movt r3, :upper16:L_memset$non_lazy_ptr
+; ARM-LONG: {{(movw r3, :lower16:L_memset\$non_lazy_ptr)|(ldr r3, .LCPI)}}
+; ARM-LONG: {{(movt r3, :upper16:L_memset\$non_lazy_ptr)?}}
 ; ARM-LONG: ldr r3, [r3]
 ; ARM-LONG: blx r3
 ; THUMB: t1
@@ -58,8 +60,8 @@ define void @t2() nounwind ssp {
 ; ARM: ldr r1, [sp[[SLOT]]] @ 4-byte Reload
 ; ARM: bl {{_?}}memcpy
 ; ARM-LONG: t2
-; ARM-LONG: movw r3, :lower16:L_memcpy$non_lazy_ptr
-; ARM-LONG: movt r3, :upper16:L_memcpy$non_lazy_ptr
+; ARM-LONG: {{(movw r3, :lower16:L_memcpy\$non_lazy_ptr)|(ldr r3, .LCPI)}}
+; ARM-LONG: {{(movt r3, :upper16:L_memcpy\$non_lazy_ptr)?}}
 ; ARM-LONG: ldr r3, [r3]
 ; ARM-LONG: blx r3
 ; THUMB: t2
@@ -96,8 +98,8 @@ define void @t3() nounwind ssp {
 ; ARM: mov r0, r1
 ; ARM: bl {{_?}}memmove
 ; ARM-LONG: t3
-; ARM-LONG: movw r3, :lower16:L_memmove$non_lazy_ptr
-; ARM-LONG: movt r3, :upper16:L_memmove$non_lazy_ptr
+; ARM-LONG: {{(movw r3, :lower16:L_memmove\$non_lazy_ptr)|(ldr r3, .LCPI)}}
+; ARM-LONG: {{(movt r3, :upper16:L_memmove\$non_lazy_ptr)?}}
 ; ARM-LONG: ldr r3, [r3]
 ; ARM-LONG: blx r3
 ; THUMB: t3

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-ldrh-strh-arm.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-ldrh-strh-arm.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-ldrh-strh-arm.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-ldrh-strh-arm.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
 ; rdar://10418009
 
 define zeroext i16 @t1(i16* nocapture %a) nounwind uwtable readonly ssp {

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-mvn.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-mvn.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-mvn.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-mvn.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
 ; rdar://10412592
 

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-pic.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-pic.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-pic.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-pic.ll Thu Jun 13 21:49:43 2013
@@ -26,7 +26,7 @@ entry:
 ; ARMv7-ELF: LoadGV
 ; ARMv7-ELF: ldr r[[reg2:[0-9]+]],
 ; ARMv7-ELF: ldr r[[reg3:[0-9]+]],
-; ARMv7-ELF: ldr r[[reg2]], [r[[reg2]], r[[reg3]]]
+; ARMv7-ELF: ldr r[[reg2]], [r[[reg3]], r[[reg2]]]
   %tmp = load i32* @g
   ret i32 %tmp
 }
@@ -55,7 +55,7 @@ entry:
 ; ARMv7-ELF: LoadIndirectSymbol
 ; ARMv7-ELF: ldr r[[reg5:[0-9]+]],
 ; ARMv7-ELF: ldr r[[reg6:[0-9]+]],
-; ARMv7-ELF: ldr r[[reg5]], [r[[reg5]], r[[reg6]]]
+; ARMv7-ELF: ldr r[[reg5]], [r[[reg6]], r[[reg5]]]
   %tmp = load i32* @i
   ret i32 %tmp
 }

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-pred.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-pred.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-pred.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-pred.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc -O0 -verify-machineinstrs -mtriple=armv7-apple-darwin < %s
+; RUN: llc -O0 -verify-machineinstrs -mtriple=armv7-linux-gnueabi < %s
 
 define i32 @main() nounwind ssp {
 entry:

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-ret.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-ret.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-ret.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-ret.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s
 
 ; Sign-extend of i1 currently not supported by fast-isel

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-select.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-select.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-select.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-select.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
 
 define i32 @t1(i1 %c) nounwind readnone {

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-shifter.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-shifter.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-shifter.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-shifter.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
 
 define i32 @shl() nounwind ssp {
 entry:

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-static.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-static.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-static.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-static.ll Thu Jun 13 21:49:43 2013
@@ -1,5 +1,7 @@
 ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=static -arm-long-calls | FileCheck -check-prefix=LONG %s
+; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=static -arm-long-calls | FileCheck -check-prefix=LONG %s
 ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=static | FileCheck -check-prefix=NORM %s
+; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=static | FileCheck -check-prefix=NORM %s
 
 define void @myadd(float* %sum, float* %addend) nounwind {
 entry:

Added: llvm/trunk/test/CodeGen/ARM/fast-isel-vararg.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-vararg.ll?rev=183966&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-vararg.ll (added)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-vararg.ll Thu Jun 13 21:49:43 2013
@@ -0,0 +1,47 @@
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
+
+define i32 @VarArg() nounwind {
+entry:
+  %i = alloca i32, align 4
+  %j = alloca i32, align 4
+  %k = alloca i32, align 4
+  %m = alloca i32, align 4
+  %n = alloca i32, align 4
+  %tmp = alloca i32, align 4
+  %0 = load i32* %i, align 4
+  %1 = load i32* %j, align 4
+  %2 = load i32* %k, align 4
+  %3 = load i32* %m, align 4
+  %4 = load i32* %n, align 4
+; ARM: VarArg
+; ARM: mov [[FP:r[0-9]+]], sp
+; ARM: sub sp, sp, #32
+; ARM: movw r0, #5
+; ARM: ldr r1, {{\[}}[[FP]], #-4]
+; ARM: ldr r2, {{\[}}[[FP]], #-8]
+; ARM: ldr r3, {{\[}}[[FP]], #-12]
+; ARM: ldr [[Ra:r[0-9]+]], [sp, #16]
+; ARM: ldr [[Rb:[lr]+[0-9]*]], [sp, #12]
+; ARM: str [[Ra]], [sp]
+; ARM: str [[Rb]], [sp, #4]
+; ARM: bl {{_?CallVariadic}}
+; THUMB: sub sp, #32
+; THUMB: movs r0, #5
+; THUMB: movt r0, #0
+; THUMB: ldr r1, [sp, #28]
+; THUMB: ldr r2, [sp, #24]
+; THUMB: ldr r3, [sp, #20]
+; THUMB: ldr.w {{[a-z0-9]+}}, [sp, #16]
+; THUMB: ldr.w {{[a-z0-9]+}}, [sp, #12]
+; THUMB: str.w {{[a-z0-9]+}}, [sp]
+; THUMB: str.w {{[a-z0-9]+}}, [sp, #4]
+; THUMB: bl {{_?}}CallVariadic
+  %call = call i32 (i32, ...)* @CallVariadic(i32 5, i32 %0, i32 %1, i32 %2, i32 %3, i32 %4)
+  store i32 %call, i32* %tmp, align 4
+  %5 = load i32* %tmp, align 4
+  ret i32 %5
+}
+
+declare i32 @CallVariadic(i32, ...)

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel.ll?rev=183966&r1=183965&r2=183966&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel.ll Thu Jun 13 21:49:43 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
 ; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
 
 ; Very basic fast-isel functionality.





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