[llvm] r223197 - R600/SI: Enable inline assembly

[Tom Stellard]

Author: tstellar
Date: Tue Dec  2 22:08:00 2014
New Revision: 223197

URL: http://llvm.org/viewvc/llvm-project?rev=223197&view=rev
Log:
R600/SI: Enable inline assembly

We just needed to remove the assertion in
AMDGPURegisterInfo::getFrameRegister(), which is called when
initializing the parser for inline assembly.

Added:
    llvm/trunk/test/CodeGen/R600/inline-asm.ll
Modified:
    llvm/trunk/lib/Target/R600/AMDGPURegisterInfo.cpp

Modified: llvm/trunk/lib/Target/R600/AMDGPURegisterInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/AMDGPURegisterInfo.cpp?rev=223197&r1=223196&r2=223197&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/AMDGPURegisterInfo.cpp (original)
+++ llvm/trunk/lib/Target/R600/AMDGPURegisterInfo.cpp Tue Dec  2 22:08:00 2014
@@ -42,8 +42,7 @@ void AMDGPURegisterInfo::eliminateFrameI
 }
 
 unsigned AMDGPURegisterInfo::getFrameRegister(const MachineFunction &MF) const {
-  assert(!"Subroutines not supported yet");
-  return 0;
+  return AMDGPU::NoRegister;
 }
 
 unsigned AMDGPURegisterInfo::getSubRegFromChannel(unsigned Channel) const {

Added: llvm/trunk/test/CodeGen/R600/inline-asm.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/R600/inline-asm.ll?rev=223197&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/R600/inline-asm.ll (added)
+++ llvm/trunk/test/CodeGen/R600/inline-asm.ll Tue Dec  2 22:08:00 2014
@@ -0,0 +1,11 @@
+; RUN: llc < %s -march=r600 -mcpu=SI -verify-machineinstrs | FileCheck %s
+
+; CHECK: {{^}}inline_asm:
+; CHECK: s_endpgm
+; CHECK: s_endpgm
+define void @inline_asm(i32 addrspace(1)* %out) {
+entry:
+  store i32 5, i32 addrspace(1)* %out
+  call void asm sideeffect "s_endpgm", ""()
+  ret void
+}