diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp | 3 | ||||
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/pr30715.ll | 74 |
2 files changed, 76 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp index c9bf2c2c409..3682c32460c 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp @@ -336,7 +336,8 @@ void DAGTypeLegalizer::IntegerToVector(SDValue Op, unsigned NumElements, SDValue DAGTypeLegalizer::ExpandOp_BITCAST(SDNode *N) { SDLoc dl(N); - if (N->getValueType(0).isVector()) { + if (N->getValueType(0).isVector() && + N->getOperand(0).getValueType().isInteger()) { // An illegal expanding type is being converted to a legal vector type. // Make a two element vector out of the expanded parts and convert that // instead, but only if the new vector type is legal (otherwise there diff --git a/llvm/test/CodeGen/PowerPC/pr30715.ll b/llvm/test/CodeGen/PowerPC/pr30715.ll new file mode 100644 index 00000000000..8ab4f548c8e --- /dev/null +++ b/llvm/test/CodeGen/PowerPC/pr30715.ll @@ -0,0 +1,74 @@ +; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s + +%class.FullMatrix = type { i8 } +%class.Vector = type { float* } + +$test = comdat any + +define weak_odr void @test(%class.FullMatrix* %this, %class.Vector* dereferenceable(8) %p1, %class.Vector* dereferenceable(8), i1 zeroext) { +entry: + %call = tail call signext i32 @fn1(%class.FullMatrix* %this) + %cmp10 = icmp sgt i32 %call, 0 + br i1 %cmp10, label %for.body.lr.ph, label %for.cond.cleanup + +for.body.lr.ph: ; preds = %entry + %val.i = getelementptr inbounds %class.Vector, %class.Vector* %p1, i64 0, i32 0 + %2 = load float*, float** %val.i, align 8 + %wide.trip.count = zext i32 %call to i64 + %min.iters.check = icmp ult i32 %call, 4 + br i1 %min.iters.check, label %for.body.preheader, label %min.iters.checked + +for.body.preheader: ; preds = %middle.block, %min.iters.checked, %for.body.lr.ph + %indvars.iv.ph = phi i64 [ 0, %min.iters.checked ], [ 0, %for.body.lr.ph ], [ %n.vec, %middle.block ] + br label %for.body + +min.iters.checked: ; preds = %for.body.lr.ph + %3 = and i32 %call, 3 + %n.mod.vf = zext i32 %3 to i64 + %n.vec = sub nsw i64 %wide.trip.count, %n.mod.vf + %cmp.zero = icmp eq i64 %n.vec, 0 + br i1 %cmp.zero, label %for.body.preheader, label %vector.body.preheader + +vector.body.preheader: ; preds = %min.iters.checked + br label %vector.body + +vector.body: ; preds = %vector.body.preheader, %vector.body + %index = phi i64 [ %index.next, %vector.body ], [ 0, %vector.body.preheader ] + %4 = getelementptr inbounds float, float* %2, i64 %index + %5 = bitcast float* %4 to <4 x float>* + %wide.load = load <4 x float>, <4 x float>* %5, align 4 + %6 = fpext <4 x float> %wide.load to <4 x ppc_fp128> + %7 = fadd <4 x ppc_fp128> %6, undef + %8 = fptrunc <4 x ppc_fp128> %7 to <4 x float> + %9 = bitcast float* %4 to <4 x float>* + store <4 x float> %8, <4 x float>* %9, align 4 + %index.next = add i64 %index, 4 + %10 = icmp eq i64 %index.next, %n.vec + br i1 %10, label %middle.block, label %vector.body + +middle.block: ; preds = %vector.body + %cmp.n = icmp eq i32 %3, 0 + br i1 %cmp.n, label %for.cond.cleanup, label %for.body.preheader + +for.cond.cleanup.loopexit: ; preds = %for.body + br label %for.cond.cleanup + +for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %middle.block, %entry + ret void + +for.body: ; preds = %for.body.preheader, %for.body + %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ %indvars.iv.ph, %for.body.preheader ] + %arrayidx.i = getelementptr inbounds float, float* %2, i64 %indvars.iv + %11 = load float, float* %arrayidx.i, align 4 + %conv = fpext float %11 to ppc_fp128 + %add = fadd ppc_fp128 %conv, undef + %conv4 = fptrunc ppc_fp128 %add to float + store float %conv4, float* %arrayidx.i, align 4 + %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 + %exitcond = icmp eq i64 %indvars.iv.next, %wide.trip.count + br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body +; CHECK: stxsdx +; CHECK: lxvd2x +} + +declare signext i32 @fn1(%class.FullMatrix*) local_unnamed_addr #1 |
