[llvm] r308903 - AMDGPU: Fix allocating pseudo-registers

Matt Arsenault via llvm-commits llvm-commits at lists.llvm.org
Mon Jul 24 11:06:15 PDT 2017


Author: arsenm
Date: Mon Jul 24 11:06:15 2017
New Revision: 308903

URL: http://llvm.org/viewvc/llvm-project?rev=308903&view=rev
Log:
AMDGPU: Fix allocating pseudo-registers

There's no need for these to be part of a class since
they are immediately replaced. New unreachable hit in
existing tests.'

Modified:
    llvm/trunk/lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.cpp
    llvm/trunk/lib/Target/AMDGPU/SIRegisterInfo.td

Modified: llvm/trunk/lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.cpp?rev=308903&r1=308902&r2=308903&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.cpp Mon Jul 24 11:06:15 2017
@@ -297,6 +297,11 @@ void AMDGPUInstPrinter::printRegOperand(
   case AMDGPU::FLAT_SCR_HI:
     O << "flat_scratch_hi";
     return;
+  case AMDGPU::FP_REG:
+  case AMDGPU::SP_REG:
+  case AMDGPU::SCRATCH_WAVE_OFFSET_REG:
+  case AMDGPU::PRIVATE_RSRC_REG:
+    llvm_unreachable("pseudo-register should not ever be emitted");
   default:
     break;
   }

Modified: llvm/trunk/lib/Target/AMDGPU/SIRegisterInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/SIRegisterInfo.td?rev=308903&r1=308902&r2=308903&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/SIRegisterInfo.td (original)
+++ llvm/trunk/lib/Target/AMDGPU/SIRegisterInfo.td Mon Jul 24 11:06:15 2017
@@ -274,8 +274,7 @@ def VGPR_512 : RegisterTuples<[sub0, sub
 def SReg_32_XM0_XEXEC : RegisterClass<"AMDGPU", [i32, f32, i16, f16, v2i16, v2f16], 32,
   (add SGPR_32, VCC_LO, VCC_HI, FLAT_SCR_LO, FLAT_SCR_HI,
    TTMP_32, TMA_LO, TMA_HI, TBA_LO, TBA_HI, SRC_SHARED_BASE, SRC_SHARED_LIMIT,
-   SRC_PRIVATE_BASE, SRC_PRIVATE_LIMIT,
-   FP_REG, SP_REG, SCRATCH_WAVE_OFFSET_REG)> {
+   SRC_PRIVATE_BASE, SRC_PRIVATE_LIMIT)> {
   let AllocationPriority = 7;
 }
 




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