|  | ; RUN: llc -verify-machineinstrs -mcpu=pwr9 \ | 
|  | ; RUN:   -mtriple=powerpc64le-unknown-unknown < %s | FileCheck %s | 
|  |  | 
|  | ; RUN: llc -verify-machineinstrs -mcpu=pwr9 \ | 
|  | ; RUN:   -mtriple=powerpc64-unknown-unknown < %s | FileCheck %s | 
|  |  | 
|  | @uca = global <16 x i8> zeroinitializer, align 16 | 
|  | @ucb = global <16 x i8> zeroinitializer, align 16 | 
|  | @sca = global <16 x i8> zeroinitializer, align 16 | 
|  | @scb = global <16 x i8> zeroinitializer, align 16 | 
|  | @usa = global <8 x i16> zeroinitializer, align 16 | 
|  | @usb = global <8 x i16> zeroinitializer, align 16 | 
|  | @ssa = global <8 x i16> zeroinitializer, align 16 | 
|  | @ssb = global <8 x i16> zeroinitializer, align 16 | 
|  | @uia = global <4 x i32> zeroinitializer, align 16 | 
|  | @uib = global <4 x i32> zeroinitializer, align 16 | 
|  | @sia = global <4 x i32> zeroinitializer, align 16 | 
|  | @sib = global <4 x i32> zeroinitializer, align 16 | 
|  | @ulla = global <2 x i64> zeroinitializer, align 16 | 
|  | @ullb = global <2 x i64> zeroinitializer, align 16 | 
|  | @slla = global <2 x i64> zeroinitializer, align 16 | 
|  | @sllb = global <2 x i64> zeroinitializer, align 16 | 
|  | @uxa = global <1 x i128> zeroinitializer, align 16 | 
|  | @uxb = global <1 x i128> zeroinitializer, align 16 | 
|  | @sxa = global <1 x i128> zeroinitializer, align 16 | 
|  | @sxb = global <1 x i128> zeroinitializer, align 16 | 
|  | @vfa = global <4 x float> zeroinitializer, align 16 | 
|  | @vfb = global <4 x float> zeroinitializer, align 16 | 
|  | @vda = global <2 x double> zeroinitializer, align 16 | 
|  | @vdb = global <2 x double> zeroinitializer, align 16 | 
|  |  | 
|  | define void @_Z4testv() { | 
|  | entry: | 
|  | ; CHECK-LABEL: @_Z4testv | 
|  | %0 = load <16 x i8>, ptr @uca, align 16 | 
|  | %1 = load <16 x i8>, ptr @ucb, align 16 | 
|  | %add.i = add <16 x i8> %1, %0 | 
|  | tail call void (...) @sink(<16 x i8> %add.i) | 
|  | ; CHECK: lxv 34, 0(3) | 
|  | ; CHECK: lxv 35, 0(3) | 
|  | ; CHECK: vaddubm 2, 3, 2 | 
|  | ; CHECK: stxv 34, | 
|  | ; CHECK: bl sink | 
|  | %2 = load <16 x i8>, ptr @sca, align 16 | 
|  | %3 = load <16 x i8>, ptr @scb, align 16 | 
|  | %add.i22 = add <16 x i8> %3, %2 | 
|  | tail call void (...) @sink(<16 x i8> %add.i22) | 
|  | ; CHECK: lxv 34, 0(3) | 
|  | ; CHECK: lxv 35, 0(3) | 
|  | ; CHECK: vaddubm 2, 3, 2 | 
|  | ; CHECK: stxv 34, | 
|  | ; CHECK: bl sink | 
|  | %4 = load <8 x i16>, ptr @usa, align 16 | 
|  | %5 = load <8 x i16>, ptr @usb, align 16 | 
|  | %add.i21 = add <8 x i16> %5, %4 | 
|  | tail call void (...) @sink(<8 x i16> %add.i21) | 
|  | ; CHECK: lxv 34, 0(3) | 
|  | ; CHECK: lxv 35, 0(3) | 
|  | ; CHECK: vadduhm 2, 3, 2 | 
|  | ; CHECK: stxv 34, | 
|  | ; CHECK: bl sink | 
|  | %6 = load <8 x i16>, ptr @ssa, align 16 | 
|  | %7 = load <8 x i16>, ptr @ssb, align 16 | 
|  | %add.i20 = add <8 x i16> %7, %6 | 
|  | tail call void (...) @sink(<8 x i16> %add.i20) | 
|  | ; CHECK: lxv 34, 0(3) | 
|  | ; CHECK: lxv 35, 0(3) | 
|  | ; CHECK: vadduhm 2, 3, 2 | 
|  | ; CHECK: stxv 34, | 
|  | ; CHECK: bl sink | 
|  | %8 = load <4 x i32>, ptr @uia, align 16 | 
|  | %9 = load <4 x i32>, ptr @uib, align 16 | 
|  | %add.i19 = add <4 x i32> %9, %8 | 
|  | tail call void (...) @sink(<4 x i32> %add.i19) | 
|  | ; CHECK: lxv 34, 0(3) | 
|  | ; CHECK: lxv 35, 0(3) | 
|  | ; CHECK: vadduwm 2, 3, 2 | 
|  | ; CHECK: stxv 34, | 
|  | ; CHECK: bl sink | 
|  | %10 = load <4 x i32>, ptr @sia, align 16 | 
|  | %11 = load <4 x i32>, ptr @sib, align 16 | 
|  | %add.i18 = add <4 x i32> %11, %10 | 
|  | tail call void (...) @sink(<4 x i32> %add.i18) | 
|  | ; CHECK: lxv 34, 0(3) | 
|  | ; CHECK: lxv 35, 0(3) | 
|  | ; CHECK: vadduwm 2, 3, 2 | 
|  | ; CHECK: stxv 34, | 
|  | ; CHECK: bl sink | 
|  | %12 = load <2 x i64>, ptr @ulla, align 16 | 
|  | %13 = load <2 x i64>, ptr @ullb, align 16 | 
|  | %add.i17 = add <2 x i64> %13, %12 | 
|  | tail call void (...) @sink(<2 x i64> %add.i17) | 
|  | ; CHECK: lxv 34, 0(3) | 
|  | ; CHECK: lxv 35, 0(3) | 
|  | ; CHECK: vaddudm 2, 3, 2 | 
|  | ; CHECK: stxv 34, | 
|  | ; CHECK: bl sink | 
|  | %14 = load <2 x i64>, ptr @slla, align 16 | 
|  | %15 = load <2 x i64>, ptr @sllb, align 16 | 
|  | %add.i16 = add <2 x i64> %15, %14 | 
|  | tail call void (...) @sink(<2 x i64> %add.i16) | 
|  | ; CHECK: lxv 34, 0(3) | 
|  | ; CHECK: lxv 35, 0(3) | 
|  | ; CHECK: vaddudm 2, 3, 2 | 
|  | ; CHECK: stxv 34, | 
|  | ; CHECK: bl sink | 
|  | %16 = load <1 x i128>, ptr @uxa, align 16 | 
|  | %17 = load <1 x i128>, ptr @uxb, align 16 | 
|  | %add.i15 = add <1 x i128> %17, %16 | 
|  | tail call void (...) @sink(<1 x i128> %add.i15) | 
|  | ; CHECK: lxv 34, 0(3) | 
|  | ; CHECK: lxv 35, 0(3) | 
|  | ; CHECK: vadduqm 2, 3, 2 | 
|  | ; CHECK: stxv 34, | 
|  | ; CHECK: bl sink | 
|  | %18 = load <1 x i128>, ptr @sxa, align 16 | 
|  | %19 = load <1 x i128>, ptr @sxb, align 16 | 
|  | %add.i14 = add <1 x i128> %19, %18 | 
|  | tail call void (...) @sink(<1 x i128> %add.i14) | 
|  | ; CHECK: lxv 34, 0(3) | 
|  | ; CHECK: lxv 35, 0(3) | 
|  | ; CHECK: vadduqm 2, 3, 2 | 
|  | ; CHECK: stxv 34, | 
|  | ; CHECK: bl sink | 
|  | %20 = load <4 x float>, ptr @vfa, align 16 | 
|  | %21 = load <4 x float>, ptr @vfb, align 16 | 
|  | %add.i13 = fadd <4 x float> %20, %21 | 
|  | tail call void (...) @sink(<4 x float> %add.i13) | 
|  | ; CHECK: lxv 0, 0(3) | 
|  | ; CHECK: lxv 1, 0(3) | 
|  | ; CHECK: xvaddsp 34, 0, 1 | 
|  | ; CHECK: stxv 34, | 
|  | ; CHECK: bl sink | 
|  | %22 = load <2 x double>, ptr @vda, align 16 | 
|  | %23 = load <2 x double>, ptr @vdb, align 16 | 
|  | %add.i12 = fadd <2 x double> %22, %23 | 
|  | tail call void (...) @sink(<2 x double> %add.i12) | 
|  | ; CHECK: lxv 0, 0(3) | 
|  | ; CHECK: lxv 1, 0(3) | 
|  | ; CHECK: xvadddp 0, 0, 1 | 
|  | ; CHECK: stxv 0, | 
|  | ; CHECK: bl sink | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | define <4 x float> @testXVIEXPSP(<4 x i32> %a, <4 x i32> %b) { | 
|  | entry: | 
|  | %0 = tail call <4 x float> @llvm.ppc.vsx.xviexpsp(<4 x i32> %a, <4 x i32> %b) | 
|  | ret <4 x float> %0 | 
|  | ; CHECK-LABEL: testXVIEXPSP | 
|  | ; CHECK: xviexpsp 34, 34, 35 | 
|  | ; CHECK: blr | 
|  | } | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <4 x float> @llvm.ppc.vsx.xviexpsp(<4 x i32>, <4 x i32>) | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | define <2 x double> @testXVIEXPDP(<2 x i64> %a, <2 x i64> %b) { | 
|  | entry: | 
|  | %0 = tail call <2 x double> @llvm.ppc.vsx.xviexpdp(<2 x i64> %a, <2 x i64> %b) | 
|  | ret <2 x double> %0 | 
|  | ; CHECK-LABEL: testXVIEXPDP | 
|  | ; CHECK: xviexpdp 34, 34, 35 | 
|  | ; CHECK: blr | 
|  | } | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <2 x double> @llvm.ppc.vsx.xviexpdp(<2 x i64>, <2 x i64>) | 
|  |  | 
|  | define <16 x i8> @testVSLV(<16 x i8> %a, <16 x i8> %b) { | 
|  | entry: | 
|  | %0 = tail call <16 x i8> @llvm.ppc.altivec.vslv(<16 x i8> %a, <16 x i8> %b) | 
|  | ret <16 x i8> %0 | 
|  | ; CHECK-LABEL: testVSLV | 
|  | ; CHECK: vslv 2, 2, 3 | 
|  | ; CHECK: blr | 
|  | } | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <16 x i8> @llvm.ppc.altivec.vslv(<16 x i8>, <16 x i8>) | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | define <16 x i8> @testVSRV(<16 x i8> %a, <16 x i8> %b) { | 
|  | entry: | 
|  | %0 = tail call <16 x i8> @llvm.ppc.altivec.vsrv(<16 x i8> %a, <16 x i8> %b) | 
|  | ret <16 x i8> %0 | 
|  | ; CHECK-LABEL: testVSRV | 
|  | ; CHECK: vsrv 2, 2, 3 | 
|  | ; CHECK: blr | 
|  | } | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <16 x i8> @llvm.ppc.altivec.vsrv(<16 x i8>, <16 x i8>) | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | define <8 x i16> @testXVCVSPHP(<4 x float> %a) { | 
|  | entry: | 
|  | ; CHECK-LABEL: testXVCVSPHP | 
|  | ; CHECK: xvcvsphp 34, 34 | 
|  | ; CHECK: blr | 
|  | %0 = tail call <4 x float> @llvm.ppc.vsx.xvcvsphp(<4 x float> %a) | 
|  | %1 = bitcast <4 x float> %0 to <8 x i16> | 
|  | ret <8 x i16> %1 | 
|  | } | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | define <4 x i32> @testVRLWMI(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) { | 
|  | entry: | 
|  | ; CHECK-LABEL: testVRLWMI | 
|  | ; CHECK: vrlwmi 3, 2, 4 | 
|  | ; CHECK: blr | 
|  | %0 = tail call <4 x i32> @llvm.ppc.altivec.vrlwmi(<4 x i32> %a, <4 x i32> %c, <4 x i32> %b) | 
|  | ret <4 x i32> %0 | 
|  | } | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | define <2 x i64> @testVRLDMI(<2 x i64> %a, <2 x i64> %b, <2 x i64> %c) { | 
|  | entry: | 
|  | ; CHECK-LABEL: testVRLDMI | 
|  | ; CHECK: vrldmi 3, 2, 4 | 
|  | ; CHECK: blr | 
|  | %0 = tail call <2 x i64> @llvm.ppc.altivec.vrldmi(<2 x i64> %a, <2 x i64> %c, <2 x i64> %b) | 
|  | ret <2 x i64> %0 | 
|  | } | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | define <4 x i32> @testVRLWNM(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) { | 
|  | entry: | 
|  | %0 = tail call <4 x i32> @llvm.ppc.altivec.vrlwnm(<4 x i32> %a, <4 x i32> %b) | 
|  | %and.i = and <4 x i32> %0, %c | 
|  | ret <4 x i32> %and.i | 
|  | ; CHECK-LABEL: testVRLWNM | 
|  | ; CHECK: vrlwnm 2, 2, 3 | 
|  | ; CHECK: xxland 34, 34, 36 | 
|  | ; CHECK: blr | 
|  | } | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | define <2 x i64> @testVRLDNM(<2 x i64> %a, <2 x i64> %b, <2 x i64> %c) { | 
|  | entry: | 
|  | %0 = tail call <2 x i64> @llvm.ppc.altivec.vrldnm(<2 x i64> %a, <2 x i64> %b) | 
|  | %and.i = and <2 x i64> %0, %c | 
|  | ret <2 x i64> %and.i | 
|  | ; CHECK-LABEL: testVRLDNM | 
|  | ; CHECK: vrldnm 2, 2, 3 | 
|  | ; CHECK: xxland 34, 34, 36 | 
|  | ; CHECK: blr | 
|  | } | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <4 x float> @llvm.ppc.vsx.xvcvsphp(<4 x float>) | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <4 x i32> @llvm.ppc.altivec.vrlwmi(<4 x i32>, <4 x i32>, <4 x i32>) | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <2 x i64> @llvm.ppc.altivec.vrldmi(<2 x i64>, <2 x i64>, <2 x i64>) | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <4 x i32> @llvm.ppc.altivec.vrlwnm(<4 x i32>, <4 x i32>) | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <2 x i64> @llvm.ppc.altivec.vrldnm(<2 x i64>, <2 x i64>) | 
|  |  | 
|  | define <4 x i32> @testXVXEXPSP(<4 x float> %a) { | 
|  | entry: | 
|  | %0 = tail call <4 x i32> @llvm.ppc.vsx.xvxexpsp(<4 x float> %a) | 
|  | ret <4 x i32> %0 | 
|  | ; CHECK-LABEL: testXVXEXPSP | 
|  | ; CHECK: xvxexpsp 34, 34 | 
|  | ; CHECK: blr | 
|  | } | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <4 x i32> @llvm.ppc.vsx.xvxexpsp(<4 x float>) | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | define <2 x i64> @testXVXEXPDP(<2 x double> %a) { | 
|  | entry: | 
|  | %0 = tail call <2 x i64> @llvm.ppc.vsx.xvxexpdp(<2 x double> %a) | 
|  | ret <2 x i64> %0 | 
|  | ; CHECK-LABEL: testXVXEXPDP | 
|  | ; CHECK: xvxexpdp 34, 34 | 
|  | ; CHECK: blr | 
|  | } | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <2 x i64>@llvm.ppc.vsx.xvxexpdp(<2 x double>) | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | define <4 x i32> @testXVXSIGSP(<4 x float> %a) { | 
|  | entry: | 
|  | %0 = tail call <4 x i32> @llvm.ppc.vsx.xvxsigsp(<4 x float> %a) | 
|  | ret <4 x i32> %0 | 
|  | ; CHECK-LABEL: testXVXSIGSP | 
|  | ; CHECK: xvxsigsp 34, 34 | 
|  | ; CHECK: blr | 
|  | } | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <4 x i32> @llvm.ppc.vsx.xvxsigsp(<4 x float>) | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | define <2 x i64> @testXVXSIGDP(<2 x double> %a) { | 
|  | entry: | 
|  | %0 = tail call <2 x i64> @llvm.ppc.vsx.xvxsigdp(<2 x double> %a) | 
|  | ret <2 x i64> %0 | 
|  | ; CHECK-LABEL: testXVXSIGDP | 
|  | ; CHECK: xvxsigdp 34, 34 | 
|  | ; CHECK: blr | 
|  | } | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <2 x i64> @llvm.ppc.vsx.xvxsigdp(<2 x double>) | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | define <4 x i32> @testXVTSTDCSP(<4 x float> %a) { | 
|  | entry: | 
|  | %0 = tail call <4 x i32> @llvm.ppc.vsx.xvtstdcsp(<4 x float> %a, i32 127) | 
|  | ret <4 x i32> %0 | 
|  | ; CHECK-LABEL: testXVTSTDCSP | 
|  | ; CHECK: xvtstdcsp 34, 34, 127 | 
|  | ; CHECK: blr | 
|  | } | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <4 x i32> @llvm.ppc.vsx.xvtstdcsp(<4 x float> %a, i32 %b) | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | define <2 x i64> @testXVTSTDCDP(<2 x double> %a) { | 
|  | entry: | 
|  | %0 = tail call <2 x i64> @llvm.ppc.vsx.xvtstdcdp(<2 x double> %a, i32 127) | 
|  | ret <2 x i64> %0 | 
|  | ; CHECK-LABEL: testXVTSTDCDP | 
|  | ; CHECK: xvtstdcdp 34, 34, 127 | 
|  | ; CHECK: blr | 
|  | } | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <2 x i64> @llvm.ppc.vsx.xvtstdcdp(<2 x double> %a, i32 %b) | 
|  |  | 
|  | define <4 x float> @testXVCVHPSP(<8 x i16> %a) { | 
|  | entry: | 
|  | %0 = tail call <4 x float>@llvm.ppc.vsx.xvcvhpsp(<8 x i16> %a) | 
|  | ret <4 x float> %0 | 
|  | ; CHECK-LABEL: testXVCVHPSP | 
|  | ; CHECK: xvcvhpsp 34, 34 | 
|  | ; CHECK: blr | 
|  | } | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <4 x float>@llvm.ppc.vsx.xvcvhpsp(<8 x i16>) | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | define <4 x i32> @testLXVL(ptr %a, i64 %b) { | 
|  | entry: | 
|  | %0 = tail call <4 x i32> @llvm.ppc.vsx.lxvl(ptr %a, i64 %b) | 
|  | ret <4 x i32> %0 | 
|  | ; CHECK-LABEL: testLXVL | 
|  | ; CHECK: lxvl 34, 3, 4 | 
|  | ; CHECK: blr | 
|  | } | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <4 x i32> @llvm.ppc.vsx.lxvl(ptr, i64) | 
|  |  | 
|  | define void @testSTXVL(<4 x i32> %a, ptr %b, i64 %c) { | 
|  | entry: | 
|  | tail call void @llvm.ppc.vsx.stxvl(<4 x i32> %a, ptr %b, i64 %c) | 
|  | ret void | 
|  | ; CHECK-LABEL: testSTXVL | 
|  | ; CHECK: stxvl 34, 5, 6 | 
|  | ; CHECK: blr | 
|  | } | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare void @llvm.ppc.vsx.stxvl(<4 x i32>, ptr, i64) | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | define <4 x i32> @testLXVLL(ptr %a, i64 %b) { | 
|  | entry: | 
|  | %0 = tail call <4 x i32> @llvm.ppc.vsx.lxvll(ptr %a, i64 %b) | 
|  | ret <4 x i32> %0 | 
|  | ; CHECK-LABEL: testLXVLL | 
|  | ; CHECK: lxvll 34, 3, 4 | 
|  | ; CHECK: blr | 
|  | } | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare <4 x i32> @llvm.ppc.vsx.lxvll(ptr, i64) | 
|  |  | 
|  | define void @testSTXVLL(<4 x i32> %a, ptr %b, i64 %c) { | 
|  | entry: | 
|  | tail call void @llvm.ppc.vsx.stxvll(<4 x i32> %a, ptr %b, i64 %c) | 
|  | ret void | 
|  | ; CHECK-LABEL: testSTXVLL | 
|  | ; CHECK: stxvll 34, 5, 6 | 
|  | ; CHECK: blr | 
|  | } | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare void @llvm.ppc.vsx.stxvll(<4 x i32>, ptr, i64) | 
|  |  | 
|  | define <4 x i32> @test0(<4 x i32> %a) local_unnamed_addr #0 { | 
|  | entry: | 
|  | %sub.i = sub <4 x i32> zeroinitializer, %a | 
|  | ret <4 x i32> %sub.i | 
|  |  | 
|  | ; CHECK-LABEL: @test0 | 
|  | ; CHECK: vnegw 2, 2 | 
|  | ; CHECK: blr | 
|  |  | 
|  | } | 
|  |  | 
|  | define <2 x i64> @test1(<2 x i64> %a) local_unnamed_addr #0 { | 
|  | entry: | 
|  | %sub.i = sub <2 x i64> zeroinitializer, %a | 
|  | ret <2 x i64> %sub.i | 
|  |  | 
|  | ; CHECK-LABEL: @test1 | 
|  | ; CHECK: vnegd 2, 2 | 
|  | ; CHECK: blr | 
|  |  | 
|  | } | 
|  |  | 
|  | declare void @sink(...) | 
|  |  | 
|  | ; stack object should be accessed using D-form load/store instead of X-form | 
|  | define signext i32 @func1() { | 
|  | ; CHECK-LABEL: @func1 | 
|  | ; CHECK-NOT: stxvx | 
|  | ; CHECK: stxv {{[0-9]+}}, {{[0-9]+}}(1) | 
|  | ; CHECK-NOT: stxvx | 
|  | ; CHECK: blr | 
|  | entry: | 
|  | %a = alloca [4 x i32], align 4 | 
|  | call void @llvm.memset.p0.i64(ptr nonnull align 4 %a, i8 0, i64 16, i1 false) | 
|  | %call = call signext i32 @callee(ptr nonnull %a) #3 | 
|  | ret i32 %call | 
|  | } | 
|  |  | 
|  | ; stack object should be accessed using D-form load/store instead of X-form | 
|  | define signext i32 @func2() { | 
|  | ; CHECK-LABEL: @func2 | 
|  | ; CHECK-NOT: stxvx | 
|  | ; CHECK: stxv [[ZEROREG:[0-9]+]], {{[0-9]+}}(1) | 
|  | ; CHECK: stxv [[ZEROREG]], {{[0-9]+}}(1) | 
|  | ; CHECK: stxv [[ZEROREG]], {{[0-9]+}}(1) | 
|  | ; CHECK: stxv [[ZEROREG]], {{[0-9]+}}(1) | 
|  | ; CHECK-NOT: stxvx | 
|  | ; CHECK: blr | 
|  | entry: | 
|  | %a = alloca [16 x i32], align 4 | 
|  | call void @llvm.memset.p0.i64(ptr nonnull align 4 %a, i8 0, i64 64, i1 false) | 
|  | %call = call signext i32 @callee(ptr nonnull %a) #3 | 
|  | ret i32 %call | 
|  | } | 
|  |  | 
|  | declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1) #1 | 
|  | declare signext i32 @callee(ptr) local_unnamed_addr #2 |