[AMDGPU][MC][GFX8][GFX9][DISASSEMBLER] Added "_e32" suffix to 32-bit VINTRP opcodes

[dp]

Summary

See bug 36751: https://bugs.llvm.org/show_bug.cgi?id=36751

[artem.tamazov]

LGTM

lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.h

private:
   void printDFMT(const MCInst *MI, unsigned OpNo,
                  const MCSubtargetInfo &STI, raw_ostream &O);
   void printNFMT(const MCInst *MI, unsigned OpNo,
                  const MCSubtargetInfo &STI, raw_ostream &O);
 
   void printRegOperand(unsigned RegNo, raw_ostream &O);
   void printVOPDst(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
                    raw_ostream &O);
+  void printVINTRPDst(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
+                      raw_ostream &O);
   void printImmediate16(uint32_t Imm, const MCSubtargetInfo &STI,
                         raw_ostream &O);
   void printImmediateV216(uint32_t Imm, const MCSubtargetInfo &STI,
                           raw_ostream &O);
   void printImmediate32(uint32_t Imm, const MCSubtargetInfo &STI,
                         raw_ostream &O);
   void printImmediate64(uint64_t Imm, const MCSubtargetInfo &STI,
                         raw_ostream &O);

lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.cpp

void AMDGPUInstPrinter::printVOPDst(const MCInst *MI, unsigned OpNo,
   else if (MII.get(MI->getOpcode()).TSFlags & SIInstrFlags::SDWA)
     O << "_sdwa ";
   else
     O << "_e32 ";
 
   printOperand(MI, OpNo, STI, O);
 }
 
+void AMDGPUInstPrinter::printVINTRPDst(const MCInst *MI, unsigned OpNo,
+                                       const MCSubtargetInfo &STI, raw_ostream &O) {
+  if (AMDGPU::isSI(STI) || AMDGPU::isCI(STI))
+    O << " ";
+  else
+    O << "_e32 ";
+
+  printOperand(MI, OpNo, STI, O);
+}
+
 void AMDGPUInstPrinter::printImmediate16(uint32_t Imm,
                                          const MCSubtargetInfo &STI,
                                          raw_ostream &O) {
   int16_t SImm = static_cast<int16_t>(Imm);
   if (SImm >= -16 && SImm <= 64) {
     O << SImm;
     return;
   }

lib/Target/AMDGPU/SIInstrInfo.td

class AtomicNoRet <string noRetOp, bit isRet> {
   string NoRetOp = noRetOp;
   bit IsRet = isRet;
 }
 
 //===----------------------------------------------------------------------===//
 // Interpolation opcodes
 //===----------------------------------------------------------------------===//
 
+class VINTRPDstOperand <RegisterClass rc> : RegisterOperand <rc, "printVINTRPDst">;
+
 class VINTRP_Pseudo <string opName, dag outs, dag ins, list<dag> pattern> :
   VINTRPCommon <outs, ins, "", pattern>,
   SIMCInstr<opName, SIEncodingFamily.NONE> {
   let isPseudo = 1;
   let isCodeGenOnly = 1;
 }
 
 class VINTRP_Real_si <bits <2> op, string opName, dag outs, dag ins,

lib/Target/AMDGPU/SIInstructions.td

 
 defm EXP : EXP_m<0, AMDGPUexport>;
 defm EXP_DONE : EXP_m<1, AMDGPUexport_done>;
 
 //===----------------------------------------------------------------------===//
 // VINTRP Instructions
 //===----------------------------------------------------------------------===//
 
+// Used to inject printing of "_e32" suffix for VI (there are "_e64" variants for VI)
+def VINTRPDst : VINTRPDstOperand <VGPR_32>;
+
 let Uses = [M0, EXEC] in {
 
 // FIXME: Specify SchedRW for VINTRP insturctions.
 
 multiclass V_INTERP_P1_F32_m : VINTRP_m <
   0x00000000,
-  (outs VGPR_32:$vdst),
+  (outs VINTRPDst:$vdst),
   (ins VGPR_32:$vsrc, Attr:$attr, AttrChan:$attrchan),
-  "v_interp_p1_f32 $vdst, $vsrc, $attr$attrchan",
+  "v_interp_p1_f32$vdst, $vsrc, $attr$attrchan",
   [(set f32:$vdst, (AMDGPUinterp_p1 f32:$vsrc, (i32 imm:$attrchan),
                                                (i32 imm:$attr)))]
 >;
 
 let OtherPredicates = [has32BankLDS] in {
 
 defm V_INTERP_P1_F32 : V_INTERP_P1_F32_m;
 
 } // End OtherPredicates = [has32BankLDS]
 
 let OtherPredicates = [has16BankLDS], Constraints = "@earlyclobber $vdst", isAsmParserOnly=1 in {
 
 defm V_INTERP_P1_F32_16bank : V_INTERP_P1_F32_m;
 
 } // End OtherPredicates = [has32BankLDS], Constraints = "@earlyclobber $vdst", isAsmParserOnly=1
 
 let DisableEncoding = "$src0", Constraints = "$src0 = $vdst" in {
 
 defm V_INTERP_P2_F32 : VINTRP_m <
   0x00000001,
-  (outs VGPR_32:$vdst),
+  (outs VINTRPDst:$vdst),
   (ins VGPR_32:$src0, VGPR_32:$vsrc, Attr:$attr, AttrChan:$attrchan),
-  "v_interp_p2_f32 $vdst, $vsrc, $attr$attrchan",
+  "v_interp_p2_f32$vdst, $vsrc, $attr$attrchan",
   [(set f32:$vdst, (AMDGPUinterp_p2 f32:$src0, f32:$vsrc, (i32 imm:$attrchan),
                                                           (i32 imm:$attr)))]>;
 
 } // End DisableEncoding = "$src0", Constraints = "$src0 = $vdst"
 
 defm V_INTERP_MOV_F32 : VINTRP_m <
   0x00000002,
-  (outs VGPR_32:$vdst),
+  (outs VINTRPDst:$vdst),
   (ins InterpSlot:$vsrc, Attr:$attr, AttrChan:$attrchan),
-  "v_interp_mov_f32 $vdst, $vsrc, $attr$attrchan",
+  "v_interp_mov_f32$vdst, $vsrc, $attr$attrchan",
   [(set f32:$vdst, (AMDGPUinterp_mov (i32 imm:$vsrc), (i32 imm:$attrchan),
                                      (i32 imm:$attr)))]>;
 
 } // End Uses = [M0, EXEC]
 
 //===----------------------------------------------------------------------===//
 // Pseudo Instructions
 //===----------------------------------------------------------------------===//

test/CodeGen/AMDGPU/llvm.amdgcn.interp.ll

 ; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,VI %s
 ; RUN: llc -march=amdgcn -mcpu=kabini -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,16BANK %s
 ; RUN: llc -march=amdgcn -mcpu=stoney -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,16BANK %s
 
 ; GCN-LABEL: {{^}}v_interp:
 ; GCN-NOT: s_wqm
 ; GCN: s_mov_b32 m0, s{{[0-9]+}}
-; GCN-DAG: v_interp_p1_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
-; GCN-DAG: v_interp_p1_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr0.y{{$}}
-; GCN-DAG: v_interp_p2_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr0.y{{$}}
-; GCN-DAG: v_interp_mov_f32 v{{[0-9]+}}, p0, attr0.x{{$}}
+; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
+; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.y{{$}}
+; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.y{{$}}
+; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p0, attr0.x{{$}}
 define amdgpu_ps void @v_interp(<16 x i8> addrspace(2)* inreg %arg, <16 x i8> addrspace(2)* inreg %arg1, <32 x i8> addrspace(2)* inreg %arg2, i32 inreg %arg3, <2 x float> %arg4) #0 {
 main_body:
   %i = extractelement <2 x float> %arg4, i32 0
   %j = extractelement <2 x float> %arg4, i32 1
   %p0_0 = call float @llvm.amdgcn.interp.p1(float %i, i32 0, i32 0, i32 %arg3)
   %p1_0 = call float @llvm.amdgcn.interp.p2(float %p0_0, float %j, i32 0, i32 0, i32 %arg3)
   %p0_1 = call float @llvm.amdgcn.interp.p1(float %i, i32 1, i32 0, i32 %arg3)
   %p1_1 = call float @llvm.amdgcn.interp.p2(float %p0_1, float %j, i32 1, i32 0, i32 %arg3)
   %const = call float @llvm.amdgcn.interp.mov(i32 2, i32 0, i32 0, i32 %arg3)
   %w = fadd float %p1_1, %const
   call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %p0_0, float %p0_0, float %p1_1, float %w, i1 true, i1 true) #0
   ret void
 }
 
 ; GCN-LABEL: {{^}}v_interp_p1:
 ; GCN: s_movk_i32 m0, 0x100
-; GCN-DAG: v_interp_p1_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
-; GCN-DAG: v_interp_p1_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr0.y{{$}}
-; GCN-DAG: v_interp_p1_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr0.z{{$}}
-; GCN-DAG: v_interp_p1_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr0.w{{$}}
-; GCN-DAG: v_interp_p1_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
-
-; GCN-DAG: v_interp_p1_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr1.x{{$}}
-; GCN-DAG: v_interp_p1_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr2.y{{$}}
-; GCN-DAG: v_interp_p1_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr3.z{{$}}
-; GCN-DAG: v_interp_p1_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr4.w{{$}}
-; GCN-DAG: v_interp_p1_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr63.w{{$}}
-; GCN-DAG: v_interp_p1_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr64.w{{$}}
-; GCN-DAG: v_interp_p1_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr64.x{{$}}
+; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
+; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.y{{$}}
+; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.z{{$}}
+; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.w{{$}}
+; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
+
+; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr1.x{{$}}
+; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr2.y{{$}}
+; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr3.z{{$}}
+; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr4.w{{$}}
+; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr63.w{{$}}
+; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr64.w{{$}}
+; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr64.x{{$}}
 define amdgpu_ps void @v_interp_p1(float %i) #0 {
 bb:
   %p0_0 = call float @llvm.amdgcn.interp.p1(float %i, i32 0, i32 0, i32 256)
   %p0_1 = call float @llvm.amdgcn.interp.p1(float %i, i32 1, i32 0, i32 256)
   %p0_2 = call float @llvm.amdgcn.interp.p1(float %i, i32 2, i32 0, i32 256)
   %p0_3 = call float @llvm.amdgcn.interp.p1(float %i, i32 3, i32 0, i32 256)
   %p0_4 = call float @llvm.amdgcn.interp.p1(float %i, i32 4, i32 0, i32 256)
   %p0_5 = call float @llvm.amdgcn.interp.p1(float %i, i32 0, i32 1, i32 256)
bb:
   store volatile float %p0_9, float addrspace(1)* undef
   store volatile float %p0_10, float addrspace(1)* undef
   store volatile float %p0_11, float addrspace(1)* undef
   ret void
 }
 
 ; GCN-LABEL: {{^}}v_interp_p2:
 ; GCN: s_movk_i32 m0, 0x100
-; GCN-DAG: v_interp_p2_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
-; GCN-DAG: v_interp_p2_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr0.y{{$}}
-; GCN-DAG: v_interp_p2_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr0.z{{$}}
-; GCN-DAG: v_interp_p2_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr0.w{{$}}
-; GCN-DAG: v_interp_p2_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
-; GCN-DAG: v_interp_p2_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
-; GCN-DAG: v_interp_p2_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr63.x{{$}}
-; GCN-DAG: v_interp_p2_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr64.x{{$}}
-; GCN-DAG: v_interp_p2_f32 v{{[0-9]+}}, v{{[0-9]+}}, attr64.x{{$}}
+; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
+; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.y{{$}}
+; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.z{{$}}
+; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.w{{$}}
+; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
+; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
+; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr63.x{{$}}
+; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr64.x{{$}}
+; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr64.x{{$}}
 define amdgpu_ps void @v_interp_p2(float %x, float %j) #0 {
 bb:
   %p2_0 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 0, i32 0, i32 256)
   %p2_1 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 1, i32 0, i32 256)
   %p2_2 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 2, i32 0, i32 256)
   %p2_3 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 3, i32 0, i32 256)
   %p2_4 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 4, i32 0, i32 256)
 
bb:
   store volatile float %p2_6, float addrspace(1)* undef
   store volatile float %p2_7, float addrspace(1)* undef
   store volatile float %p2_8, float addrspace(1)* undef
   ret void
 }
 
 ; GCN-LABEL: {{^}}v_interp_mov:
 ; GCN: s_movk_i32 m0, 0x100
-; GCN-DAG: v_interp_mov_f32 v{{[0-9]+}}, p10, attr0.x{{$}}
-; GCN-DAG: v_interp_mov_f32 v{{[0-9]+}}, p20, attr0.x{{$}}
-; GCN-DAG: v_interp_mov_f32 v{{[0-9]+}}, p0, attr0.x{{$}}
-; GCN-DAG: v_interp_mov_f32 v{{[0-9]+}}, invalid_param_3, attr0.x{{$}}
-
-; GCN-DAG: v_interp_mov_f32 v{{[0-9]+}}, p10, attr0.x{{$}}
-; GCN-DAG: v_interp_mov_f32 v{{[0-9]+}}, p10, attr0.z{{$}}
-; GCN-DAG: v_interp_mov_f32 v{{[0-9]+}}, p10, attr0.w{{$}}
-; GCN-DAG: v_interp_mov_f32 v{{[0-9]+}}, p10, attr0.x{{$}}
-; GCN-DAG: v_interp_mov_f32 v{{[0-9]+}}, invalid_param_8, attr0.x{{$}}
-
-; GCN-DAG: v_interp_mov_f32 v{{[0-9]+}}, p10, attr63.y{{$}}
-; GCN-DAG: v_interp_mov_f32 v{{[0-9]+}}, p10, attr64.y{{$}}
-; GCN-DAG: v_interp_mov_f32 v{{[0-9]+}}, invalid_param_3, attr64.y{{$}}
-; GCN-DAG: v_interp_mov_f32 v{{[0-9]+}}, invalid_param_10, attr64.x{{$}}
+; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr0.x{{$}}
+; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p20, attr0.x{{$}}
+; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p0, attr0.x{{$}}
+; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, invalid_param_3, attr0.x{{$}}
+
+; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr0.x{{$}}
+; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr0.z{{$}}
+; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr0.w{{$}}
+; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr0.x{{$}}
+; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, invalid_param_8, attr0.x{{$}}
+
+; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr63.y{{$}}
+; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr64.y{{$}}
+; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, invalid_param_3, attr64.y{{$}}
+; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, invalid_param_10, attr64.x{{$}}
 define amdgpu_ps void @v_interp_mov(float %x, float %j) #0 {
 bb:
   %mov_0 = call float @llvm.amdgcn.interp.mov(i32 0, i32 0, i32 0, i32 256)
   %mov_1 = call float @llvm.amdgcn.interp.mov(i32 1, i32 0, i32 0, i32 256)
   %mov_2 = call float @llvm.amdgcn.interp.mov(i32 2, i32 0, i32 0, i32 256)
   %mov_3 = call float @llvm.amdgcn.interp.mov(i32 3, i32 0, i32 0, i32 256)
 
   %mov_4 = call float @llvm.amdgcn.interp.mov(i32 0, i32 1, i32 0, i32 256)

 ; we only have check lines for VI.
 ;
 ; TODO: VI won't merge them either, because we are conservative about moving
 ; instructions past changes to physregs.
 ;
 ; TODO-VI-LABEL: v_interp_readnone:
 ; TODO-VI: s_mov_b32 m0, 0
 ; TODO-VI-DAG: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0
-; TODO-VI-DAG: v_interp_mov_f32 v{{[0-9]+}}, p0, attr0.x{{$}}
+; TODO-VI-DAG: v_interp_mov_f32_e32 v{{[0-9]+}}, p0, attr0.x{{$}}
 ; TODO-VI: s_mov_b32 m0, -1{{$}}
 ; TODO-VI: ds_write2_b32 v{{[0-9]+}}, [[ZERO]], [[ZERO]] offset1:4
 ;define amdgpu_ps void @v_interp_readnone(float addrspace(3)* %lds) #0 {
 ;bb:
 ;  store float 0.000000e+00, float addrspace(3)* %lds
 ;  %tmp1 = call float @llvm.amdgcn.interp.mov(i32 2, i32 0, i32 0, i32 0)
 ;  %tmp2 = getelementptr float, float addrspace(3)* %lds, i32 4
 ;  store float 0.000000e+00, float addrspace(3)* %tmp2
 ;  call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %tmp1, float %tmp1, float %tmp1, float %tmp1, i1 true, i1 true) #0
 ;  ret void
 ;}
 
 ; Thest that v_interp_p1 uses different source and destination registers
 ; on 16 bank LDS chips.
 
 ; GCN-LABEL: {{^}}v_interp_p1_bank16_bug:
-; 16BANK-NOT: v_interp_p1_f32 [[DST:v[0-9]+]], [[DST]]
+; 16BANK-NOT: v_interp_p1_f32{{(_e32)*}} [[DST:v[0-9]+]], [[DST]]
 define amdgpu_ps void @v_interp_p1_bank16_bug([6 x <16 x i8>] addrspace(2)* byval %arg, [17 x <16 x i8>] addrspace(2)* byval %arg13, [17 x <4 x i32>] addrspace(2)* byval %arg14, [34 x <8 x i32>] addrspace(2)* byval %arg15, float inreg %arg16, i32 inreg %arg17, <2 x i32> %arg18, <2 x i32> %arg19, <2 x i32> %arg20, <3 x i32> %arg21, <2 x i32> %arg22, <2 x i32> %arg23, <2 x i32> %arg24, float %arg25, float %arg26, float %arg27, float %arg28, float %arg29, float %arg30, i32 %arg31, float %arg32, float %arg33) #0 {
 main_body:
   %i.i = extractelement <2 x i32> %arg19, i32 0
   %j.i = extractelement <2 x i32> %arg19, i32 1
   %i.f.i = bitcast i32 %i.i to float
   %j.f.i = bitcast i32 %j.i to float
   %p1.i = call float @llvm.amdgcn.interp.p1(float %i.f.i, i32 0, i32 0, i32 %arg17) #0
   %p2.i = call float @llvm.amdgcn.interp.p2(float %p1.i, float %j.f.i, i32 0, i32 0, i32 %arg17) #0

test/MC/AMDGPU/vintrp.s

 // RUN: llvm-mc -arch=amdgcn -show-encoding %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
 // RUN: llvm-mc -arch=amdgcn -mcpu=tonga -show-encoding %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
 
 v_interp_p1_f32 v1, v0, attr0.x
 // SI: v_interp_p1_f32 v1, v0, attr0.x ; encoding: [0x00,0x00,0x04,0xc8]
-// VI: v_interp_p1_f32 v1, v0, attr0.x ; encoding: [0x00,0x00,0x04,0xd4]
+// VI: v_interp_p1_f32_e32 v1, v0, attr0.x ; encoding: [0x00,0x00,0x04,0xd4]
 
 v_interp_p1_f32 v2, v0, attr0.y
 // SI: v_interp_p1_f32 v2, v0, attr0.y ; encoding: [0x00,0x01,0x08,0xc8]
-// VI: v_interp_p1_f32 v2, v0, attr0.y ; encoding: [0x00,0x01,0x08,0xd4]
+// VI: v_interp_p1_f32_e32 v2, v0, attr0.y ; encoding: [0x00,0x01,0x08,0xd4]
 
 v_interp_p1_f32 v3, v0, attr0.z
 // SI: v_interp_p1_f32 v3, v0, attr0.z ; encoding: [0x00,0x02,0x0c,0xc8]
-// VI: v_interp_p1_f32 v3, v0, attr0.z ; encoding: [0x00,0x02,0x0c,0xd4]
+// VI: v_interp_p1_f32_e32 v3, v0, attr0.z ; encoding: [0x00,0x02,0x0c,0xd4]
 
 v_interp_p1_f32 v4, v0, attr0.w
 // SI: v_interp_p1_f32 v4, v0, attr0.w ; encoding: [0x00,0x03,0x10,0xc8]
-// VI: v_interp_p1_f32 v4, v0, attr0.w ; encoding: [0x00,0x03,0x10,0xd4]
+// VI: v_interp_p1_f32_e32 v4, v0, attr0.w ; encoding: [0x00,0x03,0x10,0xd4]
 
 v_interp_p1_f32 v5, v0, attr0.x
 // SI: v_interp_p1_f32 v5, v0, attr0.x ; encoding: [0x00,0x00,0x14,0xc8]
-// VI: v_interp_p1_f32 v5, v0, attr0.x ; encoding: [0x00,0x00,0x14,0xd4]
+// VI: v_interp_p1_f32_e32 v5, v0, attr0.x ; encoding: [0x00,0x00,0x14,0xd4]
 
 v_interp_p1_f32 v6, v0, attr1.x
 // SI: v_interp_p1_f32 v6, v0, attr1.x ; encoding: [0x00,0x04,0x18,0xc8]
-// VI: v_interp_p1_f32 v6, v0, attr1.x ; encoding: [0x00,0x04,0x18,0xd4]
+// VI: v_interp_p1_f32_e32 v6, v0, attr1.x ; encoding: [0x00,0x04,0x18,0xd4]
 
 v_interp_p1_f32 v7, v0, attr2.y
 // SI: v_interp_p1_f32 v7, v0, attr2.y ; encoding: [0x00,0x09,0x1c,0xc8]
-// VI: v_interp_p1_f32 v7, v0, attr2.y ; encoding: [0x00,0x09,0x1c,0xd4]
+// VI: v_interp_p1_f32_e32 v7, v0, attr2.y ; encoding: [0x00,0x09,0x1c,0xd4]
 
 v_interp_p1_f32 v8, v0, attr3.z
 // SI: v_interp_p1_f32 v8, v0, attr3.z ; encoding: [0x00,0x0e,0x20,0xc8]
-// VI: v_interp_p1_f32 v8, v0, attr3.z ; encoding: [0x00,0x0e,0x20,0xd4]
+// VI: v_interp_p1_f32_e32 v8, v0, attr3.z ; encoding: [0x00,0x0e,0x20,0xd4]
 
 v_interp_p1_f32 v9, v0, attr4.w
 // SI: v_interp_p1_f32 v9, v0, attr4.w ; encoding: [0x00,0x13,0x24,0xc8]
-// VI: v_interp_p1_f32 v9, v0, attr4.w ; encoding: [0x00,0x13,0x24,0xd4]
+// VI: v_interp_p1_f32_e32 v9, v0, attr4.w ; encoding: [0x00,0x13,0x24,0xd4]
 
 v_interp_p1_f32 v10, v0, attr63.w
 // SI: v_interp_p1_f32 v10, v0, attr63.w ; encoding: [0x00,0xff,0x28,0xc8]
-// VI: v_interp_p1_f32 v10, v0, attr63.w ; encoding: [0x00,0xff,0x28,0xd4]
+// VI: v_interp_p1_f32_e32 v10, v0, attr63.w ; encoding: [0x00,0xff,0x28,0xd4]
 
 
 v_interp_p2_f32 v2, v1, attr0.x
 // SI: v_interp_p2_f32 v2, v1, attr0.x ; encoding: [0x01,0x00,0x09,0xc8]
-// VI: v_interp_p2_f32 v2, v1, attr0.x ; encoding: [0x01,0x00,0x09,0xd4]
+// VI: v_interp_p2_f32_e32 v2, v1, attr0.x ; encoding: [0x01,0x00,0x09,0xd4]
 
 v_interp_p2_f32 v3, v1, attr0.y
 // SI: v_interp_p2_f32 v3, v1, attr0.y ; encoding: [0x01,0x01,0x0d,0xc8]
-// VI: v_interp_p2_f32 v3, v1, attr0.y ; encoding: [0x01,0x01,0x0d,0xd4]
+// VI: v_interp_p2_f32_e32 v3, v1, attr0.y ; encoding: [0x01,0x01,0x0d,0xd4]
 
 v_interp_p2_f32 v4, v1, attr0.z
 // SI: v_interp_p2_f32 v4, v1, attr0.z ; encoding: [0x01,0x02,0x11,0xc8]
-// VI: v_interp_p2_f32 v4, v1, attr0.z ; encoding: [0x01,0x02,0x11,0xd4]
+// VI: v_interp_p2_f32_e32 v4, v1, attr0.z ; encoding: [0x01,0x02,0x11,0xd4]
 
 v_interp_p2_f32 v5, v1, attr0.w
 // SI: v_interp_p2_f32 v5, v1, attr0.w ; encoding: [0x01,0x03,0x15,0xc8]
-// VI: v_interp_p2_f32 v5, v1, attr0.w ; encoding: [0x01,0x03,0x15,0xd4]
+// VI: v_interp_p2_f32_e32 v5, v1, attr0.w ; encoding: [0x01,0x03,0x15,0xd4]
 
 v_interp_p2_f32 v6, v1, attr0.x
 // SI: v_interp_p2_f32 v6, v1, attr0.x ; encoding: [0x01,0x00,0x19,0xc8]
-// VI: v_interp_p2_f32 v6, v1, attr0.x ; encoding: [0x01,0x00,0x19,0xd4]
+// VI: v_interp_p2_f32_e32 v6, v1, attr0.x ; encoding: [0x01,0x00,0x19,0xd4]
 
 v_interp_p2_f32 v7, v1, attr1.x
 // SI: v_interp_p2_f32 v7, v1, attr1.x ; encoding: [0x01,0x04,0x1d,0xc8]
-// VI: v_interp_p2_f32 v7, v1, attr1.x ; encoding: [0x01,0x04,0x1d,0xd4]
+// VI: v_interp_p2_f32_e32 v7, v1, attr1.x ; encoding: [0x01,0x04,0x1d,0xd4]
 
 v_interp_p2_f32 v8, v1, attr63.x
 // SI: v_interp_p2_f32 v8, v1, attr63.x ; encoding: [0x01,0xfc,0x21,0xc8]
-// VI: v_interp_p2_f32 v8, v1, attr63.x ; encoding: [0x01,0xfc,0x21,0xd4]
+// VI: v_interp_p2_f32_e32 v8, v1, attr63.x ; encoding: [0x01,0xfc,0x21,0xd4]
 
 
 v_interp_mov_f32 v0, p10, attr0.x
 // SI: v_interp_mov_f32 v0, p10, attr0.x ; encoding: [0x00,0x00,0x02,0xc8]
-// VI: v_interp_mov_f32 v0, p10, attr0.x ; encoding: [0x00,0x00,0x02,0xd4]
+// VI: v_interp_mov_f32_e32 v0, p10, attr0.x ; encoding: [0x00,0x00,0x02,0xd4]
 
 v_interp_mov_f32 v1, p20, attr0.x
 // SI: v_interp_mov_f32 v1, p20, attr0.x ; encoding: [0x01,0x00,0x06,0xc8]
-// VI: v_interp_mov_f32 v1, p20, attr0.x ; encoding: [0x01,0x00,0x06,0xd4]
+// VI: v_interp_mov_f32_e32 v1, p20, attr0.x ; encoding: [0x01,0x00,0x06,0xd4]
 
 v_interp_mov_f32 v2, p0, attr0.x
 // SI: v_interp_mov_f32 v2, p0, attr0.x ; encoding: [0x02,0x00,0x0a,0xc8]
-// VI: v_interp_mov_f32 v2, p0, attr0.x ; encoding: [0x02,0x00,0x0a,0xd4]
+// VI: v_interp_mov_f32_e32 v2, p0, attr0.x ; encoding: [0x02,0x00,0x0a,0xd4]
 
 v_interp_mov_f32 v4, p10, attr0.y
 // SI: v_interp_mov_f32 v4, p10, attr0.y ; encoding: [0x00,0x01,0x12,0xc8]
-// VI: v_interp_mov_f32 v4, p10, attr0.y ; encoding: [0x00,0x01,0x12,0xd4]
+// VI: v_interp_mov_f32_e32 v4, p10, attr0.y ; encoding: [0x00,0x01,0x12,0xd4]
 
 v_interp_mov_f32 v5, p10, attr0.z
 // SI: v_interp_mov_f32 v5, p10, attr0.z ; encoding: [0x00,0x02,0x16,0xc8]
-// VI: v_interp_mov_f32 v5, p10, attr0.z ; encoding: [0x00,0x02,0x16,0xd4]
+// VI: v_interp_mov_f32_e32 v5, p10, attr0.z ; encoding: [0x00,0x02,0x16,0xd4]
 
 v_interp_mov_f32 v6, p10, attr0.w
 // SI: v_interp_mov_f32 v6, p10, attr0.w ; encoding: [0x00,0x03,0x1a,0xc8]
-// VI: v_interp_mov_f32 v6, p10, attr0.w ; encoding: [0x00,0x03,0x1a,0xd4]
+// VI: v_interp_mov_f32_e32 v6, p10, attr0.w ; encoding: [0x00,0x03,0x1a,0xd4]
 
 v_interp_mov_f32 v7, p10, attr0.x
 // SI: v_interp_mov_f32 v7, p10, attr0.x ; encoding: [0x00,0x00,0x1e,0xc8]
-// VI: v_interp_mov_f32 v7, p10, attr0.x ; encoding: [0x00,0x00,0x1e,0xd4]
+// VI: v_interp_mov_f32_e32 v7, p10, attr0.x ; encoding: [0x00,0x00,0x1e,0xd4]
 
 v_interp_mov_f32 v9, p10, attr63.y
 // SI: v_interp_mov_f32 v9, p10, attr63.y ; encoding: [0x00,0xfd,0x26,0xc8]
-// VI: v_interp_mov_f32 v9, p10, attr63.y ; encoding: [0x00,0xfd,0x26,0xd4]
+// VI: v_interp_mov_f32_e32 v9, p10, attr63.y ; encoding: [0x00,0xfd,0x26,0xd4]
 

test/MC/Disassembler/AMDGPU/vintrp.txt

 # RUN: llvm-mc -arch=amdgcn -mcpu=fiji -disassemble < %s | FileCheck %s -check-prefix=VI
 
-#VI: v_interp_p1_f32 v7, v212, attr16.y
+#VI: v_interp_p1_f32_e32 v7, v212, attr16.y
 0xd4 0x41 0x1c 0xd4
 
-#VI: v_interp_p2_f32 v7, v212, attr16.y
+#VI: v_interp_p2_f32_e32 v7, v212, attr16.y
 0xd4 0x41 0x1d 0xd4
 
-#VI: v_interp_mov_f32 v7, invalid_param_212, attr16.y
+#VI: v_interp_mov_f32_e32 v7, invalid_param_212, attr16.y
 0xd4 0x41 0x1e 0xd4
 
-#VI: v_interp_mov_f32 v7, p10, attr16.y
+#VI: v_interp_mov_f32_e32 v7, p10, attr16.y
 0x00 0x41 0x1e 0xd4
 
-#VI: v_interp_mov_f32 v7, p20, attr16.y
+#VI: v_interp_mov_f32_e32 v7, p20, attr16.y
 0x01 0x41 0x1e 0xd4
 
-#VI: v_interp_mov_f32 v7, p0, attr16.y
+#VI: v_interp_mov_f32_e32 v7, p0, attr16.y
 0x02 0x41 0x1e 0xd4
 
-#VI: v_interp_mov_f32 v7, invalid_param_3, attr16.y
+#VI: v_interp_mov_f32_e32 v7, invalid_param_3, attr16.y
 0x03 0x41 0x1e 0xd4
 
-# VI: v_interp_p1_f32 v0, v0, attr0.x
+# VI: v_interp_p1_f32_e32 v0, v0, attr0.x
 0x00 0x00 0x00 0xd4
 
-# VI: v_interp_p1_f32 v0, v0, attr0.x
+# VI: v_interp_p1_f32_e32 v0, v0, attr0.x
 0x00 0x00 0x00 0xd4
 
-# VI: v_interp_p1_f32 v0, v1, attr0.x
+# VI: v_interp_p1_f32_e32 v0, v1, attr0.x
 0x01 0x00 0x00 0xd4
 
-# VI: v_interp_p1_f32 v0, v1, attr0.w
+# VI: v_interp_p1_f32_e32 v0, v1, attr0.w
 0x01 0x03 0x00 0xd4
 
-# VI: v_interp_p2_f32 v0, v1, attr0.x
+# VI: v_interp_p2_f32_e32 v0, v1, attr0.x
 0x01 0x00 0x01 0xd4
 
-# VI: v_interp_mov_f32 v0, p20, attr0.x
+# VI: v_interp_mov_f32_e32 v0, p20, attr0.x
 0x01 0x00 0x02 0xd4
 
-#VI: v_interp_p2_f32 v0, v1, attr63.x
+#VI: v_interp_p2_f32_e32 v0, v1, attr63.x
 0x01 0xfc 0x01 0xd4
 
-#VI: v_interp_p2_f32 v0, v1, attr63.x
+#VI: v_interp_p2_f32_e32 v0, v1, attr63.x
 0x01 0xfc 0x01 0xd4
 
-#VI: v_interp_p2_f32 v0, v1, attr63.w
+#VI: v_interp_p2_f32_e32 v0, v1, attr63.w
 0x01 0xff 0x01 0xd4