diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp index f5ae1b45572..c92ec368a79 100644 --- a/lib/Target/ARM/ARMBaseInstrInfo.cpp +++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp @@ -39,10 +39,6 @@ static cl::opt EnableARM3Addr("enable-arm-3-addr-conv", cl::Hidden, cl::desc("Enable ARM 2-addr to 3-addr conv")); -static cl::opt -PredicateNEON("predicate-neon", cl::Hidden, - cl::desc("Allow NEON instructions to be predicated")); - ARMBaseInstrInfo::ARMBaseInstrInfo(const ARMSubtarget& STI) : TargetInstrInfoImpl(ARMInsts, array_lengthof(ARMInsts)), Subtarget(STI) { @@ -417,7 +413,7 @@ bool ARMBaseInstrInfo::isPredicable(MachineInstr *MI) const { if ((TID.TSFlags & ARMII::DomainMask) == ARMII::DomainNEON) { ARMFunctionInfo *AFI = MI->getParent()->getParent()->getInfo(); - return PredicateNEON && AFI->isThumb2Function(); + return AFI->isThumb2Function(); } return true; } diff --git a/test/CodeGen/Thumb2/ifcvt-neon.ll b/test/CodeGen/Thumb2/ifcvt-neon.ll new file mode 100644 index 00000000000..c667909e3c1 --- /dev/null +++ b/test/CodeGen/Thumb2/ifcvt-neon.ll @@ -0,0 +1,29 @@ +; RUN: llc < %s -march=thumb -mcpu=cortex-a8 | FileCheck %s +; rdar://7368193 + +@a = common global float 0.000000e+00 ; [#uses=2] +@b = common global float 0.000000e+00 ; [#uses=1] + +define arm_apcscc float @t(i32 %c) nounwind { +entry: + %0 = icmp sgt i32 %c, 1 ; [#uses=1] + %1 = load float* @a, align 4 ; [#uses=2] + %2 = load float* @b, align 4 ; [#uses=2] + br i1 %0, label %bb, label %bb1 + +bb: ; preds = %entry +; CHECK: ite lt +; CHECK: vsublt.f32 +; CHECK-NEXT: vaddge.f32 + %3 = fadd float %1, %2 ; [#uses=1] + br label %bb2 + +bb1: ; preds = %entry + %4 = fsub float %1, %2 ; [#uses=1] + br label %bb2 + +bb2: ; preds = %bb1, %bb + %storemerge = phi float [ %4, %bb1 ], [ %3, %bb ] ; [#uses=2] + store float %storemerge, float* @a + ret float %storemerge +}