diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp index 4cd0fc484a1..5631c933a19 100644 --- a/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/lib/Target/PowerPC/PPCISelLowering.cpp @@ -5138,14 +5138,16 @@ SDValue PPCTargetLowering::LowerBUILD_VECTOR(SDValue Op, // Three instruction sequences. // Odd, in range [17,31]: (vsplti C)-(vsplti -16). - if (SextVal >= 0 && SextVal <= 31) { + // FIXME: Disabled because the add gets constant folded. + if (0 && SextVal >= 0 && SextVal <= 31) { SDValue LHS = BuildSplatI(SextVal-16, SplatSize, MVT::Other, DAG, dl); SDValue RHS = BuildSplatI(-16, SplatSize, MVT::Other, DAG, dl); LHS = DAG.getNode(ISD::SUB, dl, LHS.getValueType(), LHS, RHS); return DAG.getNode(ISD::BITCAST, dl, Op.getValueType(), LHS); } // Odd, in range [-31,-17]: (vsplti C)+(vsplti -16). - if (SextVal >= -31 && SextVal <= 0) { + // FIXME: Disabled because the add gets constant folded. + if (0 && SextVal >= -31 && SextVal <= 0) { SDValue LHS = BuildSplatI(SextVal+16, SplatSize, MVT::Other, DAG, dl); SDValue RHS = BuildSplatI(-16, SplatSize, MVT::Other, DAG, dl); LHS = DAG.getNode(ISD::ADD, dl, LHS.getValueType(), LHS, RHS); diff --git a/test/CodeGen/PowerPC/vec_constants.ll b/test/CodeGen/PowerPC/vec_constants.ll index 399f19f8d2e..71aa35920c8 100644 --- a/test/CodeGen/PowerPC/vec_constants.ll +++ b/test/CodeGen/PowerPC/vec_constants.ll @@ -1,4 +1,5 @@ -; RUN: llc < %s -march=ppc32 -mcpu=g5 | not grep CPI +; RUN: llc < %s -march=ppc32 -mcpu=g5 | FileCheck %s +; XFAIL: * define void @test1(<4 x i32>* %P1, <4 x i32>* %P2, <4 x float>* %P3) nounwind { %tmp = load <4 x i32>* %P1 ; <<4 x i32>> [#uses=1] @@ -13,32 +14,71 @@ define void @test1(<4 x i32>* %P1, <4 x i32>* %P2, <4 x float>* %P3) nounwind { %tmp13 = bitcast <4 x i32> %tmp12 to <4 x float> ; <<4 x float>> [#uses=1] store <4 x float> %tmp13, <4 x float>* %P3 ret void + +; CHECK: test1: +; CHECK-NOT: CPI } define <4 x i32> @test_30() nounwind { ret <4 x i32> < i32 30, i32 30, i32 30, i32 30 > + +; CHECK: test_30: +; CHECK: vspltisw +; CHECK-NEXT: vadduwm +; CHECK-NEXT: blr } define <4 x i32> @test_29() nounwind { ret <4 x i32> < i32 29, i32 29, i32 29, i32 29 > + +; CHECK: test_29: +; CHECK: vspltisw +; CHECK-NEXT: vspltisw +; CHECK-NEXT: vsubuwm +; CHECK-NEXT: blr } define <8 x i16> @test_n30() nounwind { ret <8 x i16> < i16 -30, i16 -30, i16 -30, i16 -30, i16 -30, i16 -30, i16 -30, i16 -30 > + +; CHECK: test_n30: +; CHECK: vspltish +; CHECK-NEXT: vadduhm +; CHECK-NEXT: blr } define <16 x i8> @test_n104() nounwind { ret <16 x i8> < i8 -104, i8 -104, i8 -104, i8 -104, i8 -104, i8 -104, i8 -104, i8 -104, i8 -104, i8 -104, i8 -104, i8 -104, i8 -104, i8 -104, i8 -104, i8 -104 > + +; CHECK: test_n104: +; CHECK: vspltisb +; CHECK-NEXT: vslb +; CHECK-NEXT: blr } define <4 x i32> @test_vsldoi() nounwind { ret <4 x i32> < i32 512, i32 512, i32 512, i32 512 > + +; CHECK: test_vsldoi: +; CHECK: vspltisw +; CHECK-NEXT: vsldoi +; CHECK-NEXT: blr } define <8 x i16> @test_vsldoi_65023() nounwind { ret <8 x i16> < i16 65023, i16 65023,i16 65023,i16 65023,i16 65023,i16 65023,i16 65023,i16 65023 > + +; CHECK: test_vsldoi_65023: +; CHECK: vspltish +; CHECK-NEXT: vsldoi +; CHECK-NEXT: blr } define <4 x i32> @test_rol() nounwind { ret <4 x i32> < i32 -11534337, i32 -11534337, i32 -11534337, i32 -11534337 > + +; CHECK: test_rol: +; CHECK: vspltisw +; CHECK-NEXT: vrlw +; CHECK-NEXT: blr }