llvm_unreachable("Unknown reg class!");
break;
case 16:
- if (ARM::QPRRegClass.hasSubClassEq(RC)) {
+ if (ARM::DPairRegClass.hasSubClassEq(RC)) {
// Use aligned spills if the stack can be realigned.
if (Align >= 16 && getRegisterInfo().canRealignStack(MF)) {
AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::VST1q64))
llvm_unreachable("Unknown reg class!");
break;
case 16:
- if (ARM::QPRRegClass.hasSubClassEq(RC)) {
+ if (ARM::DPairRegClass.hasSubClassEq(RC)) {
if (Align >= 16 && getRegisterInfo().canRealignStack(MF)) {
AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::VLD1q64), DestReg)
.addFrameIndex(FI).addImm(16)
// Use VLDM to load a Q register as a D register pair.
// This is a pseudo instruction that is expanded to VLDMD after reg alloc.
def VLDMQIA
- : PseudoVFPLdStM<(outs QPR:$dst), (ins GPR:$Rn),
+ : PseudoVFPLdStM<(outs DPair:$dst), (ins GPR:$Rn),
IIC_fpLoad_m, "",
- [(set QPR:$dst, (v2f64 (load GPR:$Rn)))]>;
+ [(set DPair:$dst, (v2f64 (load GPR:$Rn)))]>;
// Use VSTM to store a Q register as a D register pair.
// This is a pseudo instruction that is expanded to VSTMD after reg alloc.
def VSTMQIA
- : PseudoVFPLdStM<(outs), (ins QPR:$src, GPR:$Rn),
+ : PseudoVFPLdStM<(outs), (ins DPair:$src, GPR:$Rn),
IIC_fpStore_m, "",
- [(store (v2f64 QPR:$src), GPR:$Rn)]>;
+ [(store (v2f64 DPair:$src), GPR:$Rn)]>;
// Classes for VLD* pseudo-instructions with multi-register operands.
// These are expanded to real instructions after register allocation.
-; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8
+; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -verify-machineinstrs
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32-n32"
target triple = "thumbv7-apple-darwin10"
tail call void @llvm.arm.neon.vst4.v4i32(i8* bitcast ([16 x i32]* @dbuf to i8*), <4 x i32> %2, <4 x i32> %3, <4 x i32> %4, <4 x i32> %5, i32 1) nounwind
ret i32 0
}
+
+; PR12389
+; Make sure the DPair register class can spill.
+define void @pr12389(i8* %p) nounwind ssp {
+entry:
+ %vld1 = tail call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* %p, i32 1)
+ tail call void asm sideeffect "", "~{q0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7},~{q8},~{q9},~{q10},~{q11},~{q12},~{q13},~{q14},~{q15}"() nounwind
+ tail call void @llvm.arm.neon.vst1.v4f32(i8* %p, <4 x float> %vld1, i32 1)
+ ret void
+}
+
+declare <4 x float> @llvm.arm.neon.vld1.v4f32(i8*, i32) nounwind readonly
+
+declare void @llvm.arm.neon.vst1.v4f32(i8*, <4 x float>, i32) nounwind
REG("DPR");
REG("DPR_VFP2");
REG("DPR_8");
+ REG("DPair");
REG("SPR");
REG("QPR");
REG("QQPR");