[llvm] r304418 - AMDGPU: Remove error on call in AsmPrinter

[Matt Arsenault via llvm-commits]

Author: arsenm
Date: Thu Jun  1 10:05:15 2017
New Revision: 304418

URL: http://llvm.org/viewvc/llvm-project?rev=304418&view=rev
Log:
AMDGPU: Remove error on call in AsmPrinter

Partial revert of r301938 which is making it harder
to split patches up.

Modified:
    llvm/trunk/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp

Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp?rev=304418&r1=304417&r2=304418&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp Thu Jun  1 10:05:15 2017
@@ -503,40 +503,37 @@ AMDGPUAsmPrinter::SIFunctionResourceInfo
   Info.HasDynamicallySizedStack = FrameInfo.hasVarSizedObjects();
   Info.PrivateSegmentSize = FrameInfo.getStackSize();
 
-  if (!FrameInfo.hasCalls()) {
-    Info.UsesVCC = MRI.isPhysRegUsed(AMDGPU::VCC_LO) ||
-                   MRI.isPhysRegUsed(AMDGPU::VCC_HI);
-
-    // If there are no calls, MachineRegisterInfo can tell us the used register
-    // count easily.
-
-    MCPhysReg HighestVGPRReg = AMDGPU::NoRegister;
-    for (MCPhysReg Reg : reverse(AMDGPU::VGPR_32RegClass.getRegisters())) {
-      if (MRI.isPhysRegUsed(Reg)) {
-        HighestVGPRReg = Reg;
-        break;
-      }
-    }
 
-    MCPhysReg HighestSGPRReg = AMDGPU::NoRegister;
-    for (MCPhysReg Reg : reverse(AMDGPU::SGPR_32RegClass.getRegisters())) {
-      if (MRI.isPhysRegUsed(Reg)) {
-        HighestSGPRReg = Reg;
-        break;
-      }
-    }
+  Info.UsesVCC = MRI.isPhysRegUsed(AMDGPU::VCC_LO) ||
+                 MRI.isPhysRegUsed(AMDGPU::VCC_HI);
 
-    // We found the maximum register index. They start at 0, so add one to get the
-    // number of registers.
-    Info.NumVGPR = HighestVGPRReg == AMDGPU::NoRegister ? 0 :
-      TRI.getHWRegIndex(HighestVGPRReg) + 1;
-    Info.NumExplicitSGPR = HighestSGPRReg == AMDGPU::NoRegister ? 0 :
-      TRI.getHWRegIndex(HighestSGPRReg) + 1;
+  // If there are no calls, MachineRegisterInfo can tell us the used register
+  // count easily.
 
-    return Info;
+  MCPhysReg HighestVGPRReg = AMDGPU::NoRegister;
+  for (MCPhysReg Reg : reverse(AMDGPU::VGPR_32RegClass.getRegisters())) {
+    if (MRI.isPhysRegUsed(Reg)) {
+      HighestVGPRReg = Reg;
+      break;
+    }
   }
 
-  llvm_unreachable("calls not implemented");
+  MCPhysReg HighestSGPRReg = AMDGPU::NoRegister;
+  for (MCPhysReg Reg : reverse(AMDGPU::SGPR_32RegClass.getRegisters())) {
+    if (MRI.isPhysRegUsed(Reg)) {
+      HighestSGPRReg = Reg;
+      break;
+    }
+  }
+
+  // We found the maximum register index. They start at 0, so add one to get the
+  // number of registers.
+  Info.NumVGPR = HighestVGPRReg == AMDGPU::NoRegister ? 0 :
+    TRI.getHWRegIndex(HighestVGPRReg) + 1;
+  Info.NumExplicitSGPR = HighestSGPRReg == AMDGPU::NoRegister ? 0 :
+    TRI.getHWRegIndex(HighestSGPRReg) + 1;
+
+  return Info;
 }
 
 void AMDGPUAsmPrinter::getSIProgramInfo(SIProgramInfo &ProgInfo,