From: Stanislav Mekhanoshin <Stanislav.Mekhanoshin@amd.com>
Date: Wed, 17 Jul 2019 21:35:11 +0000 (+0000)
Subject: [AMDGPU] Stop special casing flat_scratch for register name
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e35344f12d3d51b7c125ec7ca44b3f25165b6bfc;p=llvm

[AMDGPU] Stop special casing flat_scratch for register name

Differential Revision: https://reviews.llvm.org/D64885

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@366376 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/AMDGPU/SIRegisterInfo.cpp b/lib/Target/AMDGPU/SIRegisterInfo.cpp
index 483793fe4dc..f152deb2800 100644
--- a/lib/Target/AMDGPU/SIRegisterInfo.cpp
+++ b/lib/Target/AMDGPU/SIRegisterInfo.cpp
@@ -1347,18 +1347,6 @@ void SIRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator MI,
 }
 
 StringRef SIRegisterInfo::getRegAsmName(unsigned Reg) const {
-  // FIXME: Rename flat_scr so we don't need to special case this.
-  switch (Reg) {
-  case AMDGPU::FLAT_SCR:
-    return "flat_scratch";
-  case AMDGPU::FLAT_SCR_LO:
-    return "flat_scratch_lo";
-  case AMDGPU::FLAT_SCR_HI:
-    return "flat_scratch_hi";
-  default:
-    break;
-  }
-
   const TargetRegisterClass *RC = getMinimalPhysRegClass(Reg);
   unsigned Size = getRegSizeInBits(*RC);
   unsigned AltName = AMDGPU::NoRegAltName;
diff --git a/lib/Target/AMDGPU/SIRegisterInfo.td b/lib/Target/AMDGPU/SIRegisterInfo.td
index 353347073b8..59a2d89ca2c 100644
--- a/lib/Target/AMDGPU/SIRegisterInfo.td
+++ b/lib/Target/AMDGPU/SIRegisterInfo.td
@@ -171,7 +171,7 @@ foreach Index = 0-15 in {
 multiclass FLAT_SCR_LOHI_m <string n, bits<16> ci_e, bits<16> vi_e> {
   def _ci : SIReg<n, ci_e>;
   def _vi : SIReg<n, vi_e>;
-  def "" : SIReg<"", 0>;
+  def "" : SIReg<n, 0>;
 }
 
 class FlatReg <Register lo, Register hi, bits<16> encoding> :