[llvm] r294945 - [ARM] Use VCMP, not VCMPE, for floating point equality comparisons

James Molloy via llvm-commits llvm-commits at lists.llvm.org
Mon Feb 13 04:32:47 PST 2017


Author: jamesm
Date: Mon Feb 13 06:32:47 2017
New Revision: 294945

URL: http://llvm.org/viewvc/llvm-project?rev=294945&view=rev
Log:
[ARM] Use VCMP, not VCMPE, for floating point equality comparisons

When generating a floating point comparison we currently unconditionally
generate VCMPE. This has the sideeffect of setting the cumulative Invalid
bit in FPSCR if any of the operands are QNaN.

It is expected that use of a relational predicate on a QNaN value should
raise Invalid. Quoting from the C standard:

  The relational and equality operators support the usual mathematical
  relationships between numeric values. For any ordered pair of numeric
  values exactly one of relationships the less, greater, equal and is true.
  Relational operators may raise the floating-point exception when argument
  values are NaNs.

The standard doesn't explicitly state the expectation for equality operators,
but the implication and obvious expectation is that equality operators
should not raise Invalid on a QNaN input, as those predicates are wholly
defined on unordered inputs (to return not equal).

Therefore, add a new operand to ARMISD::FPCMP and FPCMPZ indicating if
QNaN should raise Invalid, and pipe that through to TableGen.

Modified:
    llvm/trunk/lib/Target/ARM/ARMFastISel.cpp
    llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp
    llvm/trunk/lib/Target/ARM/ARMISelLowering.h
    llvm/trunk/lib/Target/ARM/ARMInstrInfo.td
    llvm/trunk/lib/Target/ARM/ARMInstrVFP.td
    llvm/trunk/test/CodeGen/ARM/fast-isel-align.ll
    llvm/trunk/test/CodeGen/ARM/fast-isel-cmp-imm.ll
    llvm/trunk/test/CodeGen/ARM/fp16-promote.ll
    llvm/trunk/test/CodeGen/ARM/fpcmp-opt.ll
    llvm/trunk/test/CodeGen/ARM/fpcmp.ll
    llvm/trunk/test/CodeGen/ARM/fpcmp_ueq.ll
    llvm/trunk/test/CodeGen/ARM/vsel.ll
    llvm/trunk/test/CodeGen/Thumb2/float-cmp.ll

Modified: llvm/trunk/lib/Target/ARM/ARMFastISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMFastISel.cpp?rev=294945&r1=294944&r2=294945&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMFastISel.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMFastISel.cpp Mon Feb 13 06:32:47 2017
@@ -187,7 +187,7 @@ class ARMFastISel final : public FastISe
     bool isTypeLegal(Type *Ty, MVT &VT);
     bool isLoadTypeLegal(Type *Ty, MVT &VT);
     bool ARMEmitCmp(const Value *Src1Value, const Value *Src2Value,
-                    bool isZExt);
+                    bool isZExt, bool isEquality);
     bool ARMEmitLoad(MVT VT, unsigned &ResultReg, Address &Addr,
                      unsigned Alignment = 0, bool isZExt = true,
                      bool allocReg = true);
@@ -1256,7 +1256,8 @@ bool ARMFastISel::SelectBranch(const Ins
       if (ARMPred == ARMCC::AL) return false;
 
       // Emit the compare.
-      if (!ARMEmitCmp(CI->getOperand(0), CI->getOperand(1), CI->isUnsigned()))
+      if (!ARMEmitCmp(CI->getOperand(0), CI->getOperand(1), CI->isUnsigned(),
+                      CI->isEquality()))
         return false;
 
       unsigned BrOpc = isThumb2 ? ARM::t2Bcc : ARM::Bcc;
@@ -1343,7 +1344,7 @@ bool ARMFastISel::SelectIndirectBr(const
 }
 
 bool ARMFastISel::ARMEmitCmp(const Value *Src1Value, const Value *Src2Value,
-                             bool isZExt) {
+                             bool isZExt, bool isEquality) {
   Type *Ty = Src1Value->getType();
   EVT SrcEVT = TLI.getValueType(DL, Ty, true);
   if (!SrcEVT.isSimple()) return false;
@@ -1389,10 +1390,18 @@ bool ARMFastISel::ARMEmitCmp(const Value
     // TODO: Verify compares.
     case MVT::f32:
       isICmp = false;
-      CmpOpc = UseImm ? ARM::VCMPEZS : ARM::VCMPES;
+      // Equality comparisons shouldn't raise Invalid on uordered inputs.
+      if (isEquality)
+        CmpOpc = UseImm ? ARM::VCMPZS : ARM::VCMPS;
+      else
+        CmpOpc = UseImm ? ARM::VCMPEZS : ARM::VCMPES;
       break;
     case MVT::f64:
       isICmp = false;
+      // Equality comparisons shouldn't raise Invalid on uordered inputs.
+      if (isEquality)
+        CmpOpc = UseImm ? ARM::VCMPZD : ARM::VCMPD;
+      else
       CmpOpc = UseImm ? ARM::VCMPEZD : ARM::VCMPED;
       break;
     case MVT::i1:
@@ -1469,7 +1478,8 @@ bool ARMFastISel::SelectCmp(const Instru
   if (ARMPred == ARMCC::AL) return false;
 
   // Emit the compare.
-  if (!ARMEmitCmp(CI->getOperand(0), CI->getOperand(1), CI->isUnsigned()))
+  if (!ARMEmitCmp(CI->getOperand(0), CI->getOperand(1), CI->isUnsigned(),
+                  CI->isEquality()))
     return false;
 
   // Now set a register based on the comparison. Explicitly set the predicates

Modified: llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp?rev=294945&r1=294944&r2=294945&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp Mon Feb 13 06:32:47 2017
@@ -1472,22 +1472,34 @@ static ARMCC::CondCodes IntCCToARMCC(ISD
 
 /// FPCCToARMCC - Convert a DAG fp condition code to an ARM CC.
 static void FPCCToARMCC(ISD::CondCode CC, ARMCC::CondCodes &CondCode,
-                        ARMCC::CondCodes &CondCode2) {
+                        ARMCC::CondCodes &CondCode2, bool &InvalidOnQNaN) {
   CondCode2 = ARMCC::AL;
+  InvalidOnQNaN = true;
   switch (CC) {
   default: llvm_unreachable("Unknown FP condition!");
   case ISD::SETEQ:
-  case ISD::SETOEQ: CondCode = ARMCC::EQ; break;
+  case ISD::SETOEQ:
+    CondCode = ARMCC::EQ;
+    InvalidOnQNaN = false;
+    break;
   case ISD::SETGT:
   case ISD::SETOGT: CondCode = ARMCC::GT; break;
   case ISD::SETGE:
   case ISD::SETOGE: CondCode = ARMCC::GE; break;
   case ISD::SETOLT: CondCode = ARMCC::MI; break;
   case ISD::SETOLE: CondCode = ARMCC::LS; break;
-  case ISD::SETONE: CondCode = ARMCC::MI; CondCode2 = ARMCC::GT; break;
+  case ISD::SETONE:
+    CondCode = ARMCC::MI;
+    CondCode2 = ARMCC::GT;
+    InvalidOnQNaN = false;
+    break;
   case ISD::SETO:   CondCode = ARMCC::VC; break;
   case ISD::SETUO:  CondCode = ARMCC::VS; break;
-  case ISD::SETUEQ: CondCode = ARMCC::EQ; CondCode2 = ARMCC::VS; break;
+  case ISD::SETUEQ:
+    CondCode = ARMCC::EQ;
+    CondCode2 = ARMCC::VS;
+    InvalidOnQNaN = false;
+    break;
   case ISD::SETUGT: CondCode = ARMCC::HI; break;
   case ISD::SETUGE: CondCode = ARMCC::PL; break;
   case ISD::SETLT:
@@ -1495,7 +1507,10 @@ static void FPCCToARMCC(ISD::CondCode CC
   case ISD::SETLE:
   case ISD::SETULE: CondCode = ARMCC::LE; break;
   case ISD::SETNE:
-  case ISD::SETUNE: CondCode = ARMCC::NE; break;
+  case ISD::SETUNE:
+    CondCode = ARMCC::NE;
+    InvalidOnQNaN = false;
+    break;
   }
 }
 
@@ -3772,13 +3787,15 @@ SDValue ARMTargetLowering::getARMCmp(SDV
 
 /// Returns a appropriate VFP CMP (fcmp{s|d}+fmstat) for the given operands.
 SDValue ARMTargetLowering::getVFPCmp(SDValue LHS, SDValue RHS,
-                                     SelectionDAG &DAG, const SDLoc &dl) const {
+                                     SelectionDAG &DAG, const SDLoc &dl,
+                                     bool InvalidOnQNaN) const {
   assert(!Subtarget->isFPOnlySP() || RHS.getValueType() != MVT::f64);
   SDValue Cmp;
+  SDValue C = DAG.getConstant(InvalidOnQNaN, dl, MVT::i32);
   if (!isFloatingPointZero(RHS))
-    Cmp = DAG.getNode(ARMISD::CMPFP, dl, MVT::Glue, LHS, RHS);
+    Cmp = DAG.getNode(ARMISD::CMPFP, dl, MVT::Glue, LHS, RHS, C);
   else
-    Cmp = DAG.getNode(ARMISD::CMPFPw0, dl, MVT::Glue, LHS);
+    Cmp = DAG.getNode(ARMISD::CMPFPw0, dl, MVT::Glue, LHS, C);
   return DAG.getNode(ARMISD::FMSTAT, dl, MVT::Glue, Cmp);
 }
 
@@ -4198,7 +4215,8 @@ SDValue ARMTargetLowering::LowerSELECT_C
   }
 
   ARMCC::CondCodes CondCode, CondCode2;
-  FPCCToARMCC(CC, CondCode, CondCode2);
+  bool InvalidOnQNaN;
+  FPCCToARMCC(CC, CondCode, CondCode2, InvalidOnQNaN);
 
   // Try to generate VMAXNM/VMINNM on ARMv8.
   if (Subtarget->hasFPARMv8() && (TrueVal.getValueType() == MVT::f32 ||
@@ -4217,13 +4235,13 @@ SDValue ARMTargetLowering::LowerSELECT_C
   }
 
   SDValue ARMcc = DAG.getConstant(CondCode, dl, MVT::i32);
-  SDValue Cmp = getVFPCmp(LHS, RHS, DAG, dl);
+  SDValue Cmp = getVFPCmp(LHS, RHS, DAG, dl, InvalidOnQNaN);
   SDValue CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
   SDValue Result = getCMOV(dl, VT, FalseVal, TrueVal, ARMcc, CCR, Cmp, DAG);
   if (CondCode2 != ARMCC::AL) {
     SDValue ARMcc2 = DAG.getConstant(CondCode2, dl, MVT::i32);
     // FIXME: Needs another CMP because flag can have but one use.
-    SDValue Cmp2 = getVFPCmp(LHS, RHS, DAG, dl);
+    SDValue Cmp2 = getVFPCmp(LHS, RHS, DAG, dl, InvalidOnQNaN);
     Result = getCMOV(dl, VT, Result, TrueVal, ARMcc2, CCR, Cmp2, DAG);
   }
   return Result;
@@ -4384,10 +4402,11 @@ SDValue ARMTargetLowering::LowerBR_CC(SD
   }
 
   ARMCC::CondCodes CondCode, CondCode2;
-  FPCCToARMCC(CC, CondCode, CondCode2);
+  bool InvalidOnQNaN;
+  FPCCToARMCC(CC, CondCode, CondCode2, InvalidOnQNaN);
 
   SDValue ARMcc = DAG.getConstant(CondCode, dl, MVT::i32);
-  SDValue Cmp = getVFPCmp(LHS, RHS, DAG, dl);
+  SDValue Cmp = getVFPCmp(LHS, RHS, DAG, dl, InvalidOnQNaN);
   SDValue CCR = DAG.getRegister(ARM::CPSR, MVT::i32);
   SDVTList VTList = DAG.getVTList(MVT::Other, MVT::Glue);
   SDValue Ops[] = { Chain, Dest, ARMcc, CCR, Cmp };

Modified: llvm/trunk/lib/Target/ARM/ARMISelLowering.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMISelLowering.h?rev=294945&r1=294944&r2=294945&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMISelLowering.h (original)
+++ llvm/trunk/lib/Target/ARM/ARMISelLowering.h Mon Feb 13 06:32:47 2017
@@ -698,7 +698,7 @@ class InstrItineraryData;
     SDValue getARMCmp(SDValue LHS, SDValue RHS, ISD::CondCode CC,
                       SDValue &ARMcc, SelectionDAG &DAG, const SDLoc &dl) const;
     SDValue getVFPCmp(SDValue LHS, SDValue RHS, SelectionDAG &DAG,
-                      const SDLoc &dl) const;
+                      const SDLoc &dl, bool InvalidOnQNaN) const;
     SDValue duplicateCmp(SDValue Cmp, SelectionDAG &DAG) const;
 
     SDValue OptimizeVFPBrcond(SDValue Op, SelectionDAG &DAG) const;

Modified: llvm/trunk/lib/Target/ARM/ARMInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrInfo.td?rev=294945&r1=294944&r2=294945&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrInfo.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrInfo.td Mon Feb 13 06:32:47 2017
@@ -51,6 +51,8 @@ def SDT_ARMAnd     : SDTypeProfile<1, 2,
                                     SDTCisVT<2, i32>]>;
 
 def SDT_ARMCmp     : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
+def SDT_ARMFCmp    : SDTypeProfile<0, 3, [SDTCisSameAs<0, 1>,
+                                          SDTCisVT<2, i32>]>;
 
 def SDT_ARMPICAdd  : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
                                           SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;

Modified: llvm/trunk/lib/Target/ARM/ARMInstrVFP.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrVFP.td?rev=294945&r1=294944&r2=294945&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrVFP.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrVFP.td Mon Feb 13 06:32:47 2017
@@ -11,12 +11,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-def SDT_CMPFP0  : SDTypeProfile<0, 1, [SDTCisFP<0>]>;
+def SDT_CMPFP0  : SDTypeProfile<0, 2, [SDTCisFP<0>, SDTCisVT<1, i32>]>;
 def SDT_VMOVDRR : SDTypeProfile<1, 2, [SDTCisVT<0, f64>, SDTCisVT<1, i32>,
                                        SDTCisSameAs<1, 2>]>;
 
 def arm_fmstat : SDNode<"ARMISD::FMSTAT",  SDTNone, [SDNPInGlue, SDNPOutGlue]>;
-def arm_cmpfp  : SDNode<"ARMISD::CMPFP",   SDT_ARMCmp, [SDNPOutGlue]>;
+def arm_cmpfp  : SDNode<"ARMISD::CMPFP",   SDT_ARMFCmp, [SDNPOutGlue]>;
 def arm_cmpfp0 : SDNode<"ARMISD::CMPFPw0", SDT_CMPFP0, [SDNPOutGlue]>;
 def arm_fmdrr  : SDNode<"ARMISD::VMOVDRR", SDT_VMOVDRR>;
 
@@ -516,12 +516,12 @@ let Defs = [FPSCR_NZCV] in {
 def VCMPED : ADuI<0b11101, 0b11, 0b0100, 0b11, 0,
                   (outs), (ins DPR:$Dd, DPR:$Dm),
                   IIC_fpCMP64, "vcmpe", ".f64\t$Dd, $Dm",
-                  [(arm_cmpfp DPR:$Dd, (f64 DPR:$Dm))]>;
+                  [(arm_cmpfp DPR:$Dd, (f64 DPR:$Dm), (i32 1))]>;
 
 def VCMPES : ASuI<0b11101, 0b11, 0b0100, 0b11, 0,
                   (outs), (ins SPR:$Sd, SPR:$Sm),
                   IIC_fpCMP32, "vcmpe", ".f32\t$Sd, $Sm",
-                  [(arm_cmpfp SPR:$Sd, SPR:$Sm)]> {
+                  [(arm_cmpfp SPR:$Sd, SPR:$Sm, (i32 1))]> {
   // Some single precision VFP instructions may be executed on both NEON and
   // VFP pipelines on A8.
   let D = VFPNeonA8Domain;
@@ -537,12 +537,12 @@ def VCMPEH : AHuI<0b11101, 0b11, 0b0100,
 def VCMPD  : ADuI<0b11101, 0b11, 0b0100, 0b01, 0,
                   (outs), (ins DPR:$Dd, DPR:$Dm),
                   IIC_fpCMP64, "vcmp", ".f64\t$Dd, $Dm",
-                  [/* For disassembly only; pattern left blank */]>;
+                  [(arm_cmpfp DPR:$Dd, (f64 DPR:$Dm), (i32 0))]>;
 
 def VCMPS  : ASuI<0b11101, 0b11, 0b0100, 0b01, 0,
                   (outs), (ins SPR:$Sd, SPR:$Sm),
                   IIC_fpCMP32, "vcmp", ".f32\t$Sd, $Sm",
-                  [/* For disassembly only; pattern left blank */]> {
+                  [(arm_cmpfp SPR:$Sd, SPR:$Sm, (i32 0))]> {
   // Some single precision VFP instructions may be executed on both NEON and
   // VFP pipelines on A8.
   let D = VFPNeonA8Domain;
@@ -581,7 +581,7 @@ let Defs = [FPSCR_NZCV] in {
 def VCMPEZD : ADuI<0b11101, 0b11, 0b0101, 0b11, 0,
                    (outs), (ins DPR:$Dd),
                    IIC_fpCMP64, "vcmpe", ".f64\t$Dd, #0",
-                   [(arm_cmpfp0 (f64 DPR:$Dd))]> {
+                   [(arm_cmpfp0 (f64 DPR:$Dd), (i32 1))]> {
   let Inst{3-0} = 0b0000;
   let Inst{5}   = 0;
 }
@@ -589,7 +589,7 @@ def VCMPEZD : ADuI<0b11101, 0b11, 0b0101
 def VCMPEZS : ASuI<0b11101, 0b11, 0b0101, 0b11, 0,
                    (outs), (ins SPR:$Sd),
                    IIC_fpCMP32, "vcmpe", ".f32\t$Sd, #0",
-                   [(arm_cmpfp0 SPR:$Sd)]> {
+                   [(arm_cmpfp0 SPR:$Sd, (i32 1))]> {
   let Inst{3-0} = 0b0000;
   let Inst{5}   = 0;
 
@@ -610,7 +610,7 @@ def VCMPEZH : AHuI<0b11101, 0b11, 0b0101
 def VCMPZD  : ADuI<0b11101, 0b11, 0b0101, 0b01, 0,
                    (outs), (ins DPR:$Dd),
                    IIC_fpCMP64, "vcmp", ".f64\t$Dd, #0",
-                   [/* For disassembly only; pattern left blank */]> {
+                   [(arm_cmpfp0 (f64 DPR:$Dd), (i32 0))]> {
   let Inst{3-0} = 0b0000;
   let Inst{5}   = 0;
 }
@@ -618,7 +618,7 @@ def VCMPZD  : ADuI<0b11101, 0b11, 0b0101
 def VCMPZS  : ASuI<0b11101, 0b11, 0b0101, 0b01, 0,
                    (outs), (ins SPR:$Sd),
                    IIC_fpCMP32, "vcmp", ".f32\t$Sd, #0",
-                   [/* For disassembly only; pattern left blank */]> {
+                   [(arm_cmpfp0 SPR:$Sd, (i32 0))]> {
   let Inst{3-0} = 0b0000;
   let Inst{5}   = 0;
 

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-align.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-align.ll?rev=294945&r1=294944&r2=294945&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-align.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-align.ll Mon Feb 13 06:32:47 2017
@@ -72,10 +72,10 @@ entry:
   %4 = fcmp une float %3, 0.000000e+00
 ; ARM: ldr r[[R:[0-9]+]], [r0, #2]
 ; ARM: vmov s0, r[[R]]
-; ARM: vcmpe.f32 s0, #0
+; ARM: vcmp.f32 s0, #0
 ; THUMB: ldr.w r[[R:[0-9]+]], [r0, #2]
 ; THUMB: vmov s0, r[[R]]
-; THUMB: vcmpe.f32 s0, #0
+; THUMB: vcmp.f32 s0, #0
   ret i1 %4
 }
 

Modified: llvm/trunk/test/CodeGen/ARM/fast-isel-cmp-imm.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fast-isel-cmp-imm.ll?rev=294945&r1=294944&r2=294945&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fast-isel-cmp-imm.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fast-isel-cmp-imm.ll Mon Feb 13 06:32:47 2017
@@ -7,8 +7,8 @@ entry:
 ; ARM: t1a
 ; THUMB: t1a
   %cmp = fcmp oeq float %a, 0.000000e+00
-; ARM: vcmpe.f32 s{{[0-9]+}}, #0
-; THUMB: vcmpe.f32 s{{[0-9]+}}, #0
+; ARM: vcmp.f32 s{{[0-9]+}}, #0
+; THUMB: vcmp.f32 s{{[0-9]+}}, #0
   br i1 %cmp, label %if.then, label %if.end
 
 if.then:                                          ; preds = %entry
@@ -28,9 +28,9 @@ entry:
 ; THUMB: t1b
   %cmp = fcmp oeq float %a, -0.000000e+00
 ; ARM: vldr
-; ARM: vcmpe.f32 s{{[0-9]+}}, s{{[0-9]+}}
+; ARM: vcmp.f32 s{{[0-9]+}}, s{{[0-9]+}}
 ; THUMB: vldr
-; THUMB: vcmpe.f32 s{{[0-9]+}}, s{{[0-9]+}}
+; THUMB: vcmp.f32 s{{[0-9]+}}, s{{[0-9]+}}
   br i1 %cmp, label %if.then, label %if.end
 
 if.then:                                          ; preds = %entry
@@ -46,8 +46,8 @@ entry:
 ; ARM: t2a
 ; THUMB: t2a
   %cmp = fcmp oeq double %a, 0.000000e+00
-; ARM: vcmpe.f64 d{{[0-9]+}}, #0
-; THUMB: vcmpe.f64 d{{[0-9]+}}, #0
+; ARM: vcmp.f64 d{{[0-9]+}}, #0
+; THUMB: vcmp.f64 d{{[0-9]+}}, #0
   br i1 %cmp, label %if.then, label %if.end
 
 if.then:                                          ; preds = %entry
@@ -65,9 +65,9 @@ entry:
 ; THUMB: t2b
   %cmp = fcmp oeq double %a, -0.000000e+00
 ; ARM: vldr
-; ARM: vcmpe.f64 d{{[0-9]+}}, d{{[0-9]+}}
+; ARM: vcmp.f64 d{{[0-9]+}}, d{{[0-9]+}}
 ; THUMB: vldr
-; THUMB: vcmpe.f64 d{{[0-9]+}}, d{{[0-9]+}}
+; THUMB: vcmp.f64 d{{[0-9]+}}, d{{[0-9]+}}
   br i1 %cmp, label %if.then, label %if.end
 
 if.then:                                          ; preds = %entry

Modified: llvm/trunk/test/CodeGen/ARM/fp16-promote.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fp16-promote.ll?rev=294945&r1=294944&r2=294945&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fp16-promote.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fp16-promote.ll Mon Feb 13 06:32:47 2017
@@ -161,14 +161,14 @@ define void @test_select(half* %p, half*
   ret void
 }
 
-; Test only two variants of fcmp.  These get translated to f32 vcmpe
+; Test only two variants of fcmp.  These get translated to f32 vcmp
 ; instructions anyway.
 ; CHECK-ALL-LABEL: test_fcmp_une:
 ; CHECK-FP16: vcvtb.f32.f16
 ; CHECK-FP16: vcvtb.f32.f16
 ; CHECK-LIBCALL: bl __aeabi_h2f
 ; CHECK-LIBCALL: bl __aeabi_h2f
-; CHECK-VFP: vcmpe.f32
+; CHECK-VFP: vcmp.f32
 ; CHECK-NOVFP: bl __aeabi_fcmpeq
 ; CHECK-FP16: vmrs APSR_nzcv, fpscr
 ; CHECK-ALL: movw{{ne|eq}}
@@ -184,7 +184,7 @@ define i1 @test_fcmp_une(half* %p, half*
 ; CHECK-FP16: vcvtb.f32.f16
 ; CHECK-LIBCALL: bl __aeabi_h2f
 ; CHECK-LIBCALL: bl __aeabi_h2f
-; CHECK-VFP: vcmpe.f32
+; CHECK-VFP: vcmp.f32
 ; CHECK-NOVFP: bl __aeabi_fcmpeq
 ; CHECK-FP16: vmrs APSR_nzcv, fpscr
 ; CHECK-LIBCALL: movw{{ne|eq}}

Modified: llvm/trunk/test/CodeGen/ARM/fpcmp-opt.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fpcmp-opt.ll?rev=294945&r1=294944&r2=294945&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fpcmp-opt.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fpcmp-opt.ll Mon Feb 13 06:32:47 2017
@@ -10,7 +10,7 @@ entry:
 ; CHECK-LABEL: t1:
 ; CHECK: vldr [[S0:s[0-9]+]],
 ; CHECK: vldr [[S1:s[0-9]+]],
-; CHECK: vcmpe.f32 [[S1]], [[S0]]
+; CHECK: vcmp.f32 [[S1]], [[S0]]
 ; CHECK: vmrs APSR_nzcv, fpscr
 ; CHECK: beq
   %0 = load float, float* %a
@@ -38,7 +38,7 @@ entry:
 ; CHECK: bfc [[REG2]], #31, #1
 ; CHECK: cmp [[REG1]], #0
 ; CHECK: cmpeq [[REG2]], #0
-; CHECK-NOT: vcmpe.f32
+; CHECK-NOT: vcmp.f32
 ; CHECK-NOT: vmrs
 ; CHECK: bne
   %0 = load double, double* %a
@@ -61,7 +61,7 @@ entry:
 ; CHECK: ldr [[REG3:(r[0-9]+)]], [r0]
 ; CHECK: mvn [[REG4:(r[0-9]+)]], #-2147483648
 ; CHECK: tst [[REG3]], [[REG4]]
-; CHECK-NOT: vcmpe.f32
+; CHECK-NOT: vcmp.f32
 ; CHECK-NOT: vmrs
 ; CHECK: bne
   %0 = load float, float* %a

Modified: llvm/trunk/test/CodeGen/ARM/fpcmp.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fpcmp.ll?rev=294945&r1=294944&r2=294945&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fpcmp.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fpcmp.ll Mon Feb 13 06:32:47 2017
@@ -12,7 +12,7 @@ entry:
 
 define i32 @f2(float %a) {
 ;CHECK-LABEL: f2:
-;CHECK: vcmpe.f32
+;CHECK: vcmp.f32
 ;CHECK: moveq
 entry:
         %tmp = fcmp oeq float %a, 1.000000e+00          ; <i1> [#uses=1]
@@ -52,7 +52,7 @@ entry:
 
 define i32 @f6(float %a) {
 ;CHECK-LABEL: f6:
-;CHECK: vcmpe.f32
+;CHECK: vcmp.f32
 ;CHECK: movne
 entry:
         %tmp = fcmp une float %a, 1.000000e+00          ; <i1> [#uses=1]

Modified: llvm/trunk/test/CodeGen/ARM/fpcmp_ueq.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fpcmp_ueq.ll?rev=294945&r1=294944&r2=294945&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fpcmp_ueq.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fpcmp_ueq.ll Mon Feb 13 06:32:47 2017
@@ -17,7 +17,7 @@ entry:
 ; CHECK-ARMv4: moveq r0, #42
 
 ; CHECK-ARMv7-LABEL: f7:
-; CHECK-ARMv7: vcmpe.f32
+; CHECK-ARMv7: vcmp.f32
 ; CHECK-ARMv7: vmrs APSR_nzcv, fpscr
 ; CHECK-ARMv7: movweq
 ; CHECK-ARMv7-NOT: vmrs

Modified: llvm/trunk/test/CodeGen/ARM/vsel.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/vsel.ll?rev=294945&r1=294944&r2=294945&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/vsel.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/vsel.ll Mon Feb 13 06:32:47 2017
@@ -132,7 +132,7 @@ define void @test_vsel32oeq(float %lhs32
   %tst1 = fcmp oeq float %lhs32, %rhs32
   %val1 = select i1 %tst1, float %a, float %b
   store float %val1, float* @varfloat
-; CHECK: vcmpe.f32 s0, s1
+; CHECK: vcmp.f32 s0, s1
 ; CHECK: vseleq.f32 s0, s2, s3
   ret void
 }
@@ -141,7 +141,7 @@ define void @test_vsel64oeq(float %lhs32
   %tst1 = fcmp oeq float %lhs32, %rhs32
   %val1 = select i1 %tst1, double %a, double %b
   store double %val1, double* @vardouble
-; CHECK: vcmpe.f32 s0, s1
+; CHECK: vcmp.f32 s0, s1
 ; CHECK: vseleq.f64 d16, d1, d2
   ret void
 }
@@ -276,7 +276,7 @@ define void @test_vsel32une(float %lhs32
   %tst1 = fcmp une float %lhs32, %rhs32
   %val1 = select i1 %tst1, float %a, float %b
   store float %val1, float* @varfloat
-; CHECK: vcmpe.f32 s0, s1
+; CHECK: vcmp.f32 s0, s1
 ; CHECK: vseleq.f32 s0, s3, s2
   ret void
 }
@@ -285,7 +285,7 @@ define void @test_vsel64une(float %lhs32
   %tst1 = fcmp une float %lhs32, %rhs32
   %val1 = select i1 %tst1, double %a, double %b
   store double %val1, double* @vardouble
-; CHECK: vcmpe.f32 s0, s1
+; CHECK: vcmp.f32 s0, s1
 ; CHECK: vseleq.f64 d16, d2, d1
   ret void
 }

Modified: llvm/trunk/test/CodeGen/Thumb2/float-cmp.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Thumb2/float-cmp.ll?rev=294945&r1=294944&r2=294945&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/Thumb2/float-cmp.ll (original)
+++ llvm/trunk/test/CodeGen/Thumb2/float-cmp.ll Mon Feb 13 06:32:47 2017
@@ -15,7 +15,7 @@ define i1 @cmp_f_false(float %a, float %
 define i1 @cmp_f_oeq(float %a, float %b) {
 ; CHECK-LABEL: cmp_f_oeq:
 ; NONE: bl __aeabi_fcmpeq
-; HARD: vcmpe.f32
+; HARD: vcmp.f32
 ; HARD: moveq r0, #1
   %1 = fcmp oeq float %a, %b
   ret i1 %1
@@ -56,7 +56,7 @@ define i1 @cmp_f_one(float %a, float %b)
 ; CHECK-LABEL: cmp_f_one:
 ; NONE: bl __aeabi_fcmpgt
 ; NONE: bl __aeabi_fcmplt
-; HARD: vcmpe.f32
+; HARD: vcmp.f32
 ; HARD: movmi r0, #1
 ; HARD: movgt r0, #1
   %1 = fcmp one float %a, %b
@@ -73,7 +73,7 @@ define i1 @cmp_f_ord(float %a, float %b)
 ; CHECK-LABEL: cmp_f_ueq:
 ; NONE: bl __aeabi_fcmpeq
 ; NONE: bl __aeabi_fcmpun
-; HARD: vcmpe.f32
+; HARD: vcmp.f32
 ; HARD: moveq r0, #1
 ; HARD: movvs r0, #1
   %1 = fcmp ueq float %a, %b
@@ -122,7 +122,7 @@ define i1 @cmp_f_ule(float %a, float %b)
 define i1 @cmp_f_une(float %a, float %b) {
 ; CHECK-LABEL: cmp_f_une:
 ; NONE: bl __aeabi_fcmpeq
-; HARD: vcmpe.f32
+; HARD: vcmp.f32
 ; HARD: movne r0, #1
   %1 = fcmp une float %a, %b
   ret i1 %1
@@ -154,7 +154,7 @@ define i1 @cmp_d_oeq(double %a, double %
 ; CHECK-LABEL: cmp_d_oeq:
 ; NONE: bl __aeabi_dcmpeq
 ; SP: bl __aeabi_dcmpeq
-; DP: vcmpe.f64
+; DP: vcmp.f64
 ; DP: moveq r0, #1
   %1 = fcmp oeq double %a, %b
   ret i1 %1
@@ -201,7 +201,7 @@ define i1 @cmp_d_one(double %a, double %
 ; NONE: bl __aeabi_dcmplt
 ; SP: bl __aeabi_dcmpgt
 ; SP: bl __aeabi_dcmplt
-; DP: vcmpe.f64
+; DP: vcmp.f64
 ; DP: movmi r0, #1
 ; DP: movgt r0, #1
   %1 = fcmp one double %a, %b
@@ -259,7 +259,7 @@ define i1 @cmp_d_ueq(double %a, double %
 ; NONE: bl __aeabi_dcmpun
 ; SP: bl __aeabi_dcmpeq
 ; SP: bl __aeabi_dcmpun
-; DP: vcmpe.f64
+; DP: vcmp.f64
 ; DP: moveq r0, #1
 ; DP: movvs r0, #1
   %1 = fcmp ueq double %a, %b
@@ -290,7 +290,7 @@ define i1 @cmp_d_une(double %a, double %
 ; CHECK-LABEL: cmp_d_une:
 ; NONE: bl __aeabi_dcmpeq
 ; SP: bl __aeabi_dcmpeq
-; DP: vcmpe.f64
+; DP: vcmp.f64
 ; DP: movne r0, #1
   %1 = fcmp une double %a, %b
   ret i1 %1




More information about the llvm-commits mailing list