; Test various representations of pack-like operations. ; ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s ; One way of writing a <4 x i32> -> <8 x i16> pack. define <8 x i16> @f1(<4 x i32> %val0, <4 x i32> %val1) { ; CHECK-LABEL: f1: ; CHECK: vpkf %v24, %v24, %v26 ; CHECK: br %r14 %elem0 = extractelement <4 x i32> %val0, i32 0 %elem1 = extractelement <4 x i32> %val0, i32 1 %elem2 = extractelement <4 x i32> %val0, i32 2 %elem3 = extractelement <4 x i32> %val0, i32 3 %elem4 = extractelement <4 x i32> %val1, i32 0 %elem5 = extractelement <4 x i32> %val1, i32 1 %elem6 = extractelement <4 x i32> %val1, i32 2 %elem7 = extractelement <4 x i32> %val1, i32 3 %hboth0 = bitcast i32 %elem0 to <2 x i16> %hboth1 = bitcast i32 %elem1 to <2 x i16> %hboth2 = bitcast i32 %elem2 to <2 x i16> %hboth3 = bitcast i32 %elem3 to <2 x i16> %hboth4 = bitcast i32 %elem4 to <2 x i16> %hboth5 = bitcast i32 %elem5 to <2 x i16> %hboth6 = bitcast i32 %elem6 to <2 x i16> %hboth7 = bitcast i32 %elem7 to <2 x i16> %hlow0 = shufflevector <2 x i16> %hboth0, <2 x i16> %hboth1, <2 x i32> %hlow1 = shufflevector <2 x i16> %hboth2, <2 x i16> %hboth3, <2 x i32> %hlow2 = shufflevector <2 x i16> %hboth4, <2 x i16> %hboth5, <2 x i32> %hlow3 = shufflevector <2 x i16> %hboth6, <2 x i16> %hboth7, <2 x i32> %join0 = shufflevector <2 x i16> %hlow0, <2 x i16> %hlow1, <4 x i32> %join1 = shufflevector <2 x i16> %hlow2, <2 x i16> %hlow3, <4 x i32> %ret = shufflevector <4 x i16> %join0, <4 x i16> %join1, <8 x i32> ret <8 x i16> %ret } ; A different way of writing a <4 x i32> -> <8 x i16> pack. define <8 x i16> @f2(<4 x i32> %val0, <4 x i32> %val1) { ; CHECK-LABEL: f2: ; CHECK: vpkf %v24, %v24, %v26 ; CHECK: br %r14 %elem0 = extractelement <4 x i32> %val0, i32 0 %elem1 = extractelement <4 x i32> %val0, i32 1 %elem2 = extractelement <4 x i32> %val0, i32 2 %elem3 = extractelement <4 x i32> %val0, i32 3 %elem4 = extractelement <4 x i32> %val1, i32 0 %elem5 = extractelement <4 x i32> %val1, i32 1 %elem6 = extractelement <4 x i32> %val1, i32 2 %elem7 = extractelement <4 x i32> %val1, i32 3 %wvec0 = insertelement <4 x i32> undef, i32 %elem0, i32 0 %wvec1 = insertelement <4 x i32> undef, i32 %elem1, i32 0 %wvec2 = insertelement <4 x i32> undef, i32 %elem2, i32 0 %wvec3 = insertelement <4 x i32> undef, i32 %elem3, i32 0 %wvec4 = insertelement <4 x i32> undef, i32 %elem4, i32 0 %wvec5 = insertelement <4 x i32> undef, i32 %elem5, i32 0 %wvec6 = insertelement <4 x i32> undef, i32 %elem6, i32 0 %wvec7 = insertelement <4 x i32> undef, i32 %elem7, i32 0 %hvec0 = bitcast <4 x i32> %wvec0 to <8 x i16> %hvec1 = bitcast <4 x i32> %wvec1 to <8 x i16> %hvec2 = bitcast <4 x i32> %wvec2 to <8 x i16> %hvec3 = bitcast <4 x i32> %wvec3 to <8 x i16> %hvec4 = bitcast <4 x i32> %wvec4 to <8 x i16> %hvec5 = bitcast <4 x i32> %wvec5 to <8 x i16> %hvec6 = bitcast <4 x i32> %wvec6 to <8 x i16> %hvec7 = bitcast <4 x i32> %wvec7 to <8 x i16> %hlow0 = shufflevector <8 x i16> %hvec0, <8 x i16> %hvec1, <8 x i32> %hlow1 = shufflevector <8 x i16> %hvec2, <8 x i16> %hvec3, <8 x i32> %hlow2 = shufflevector <8 x i16> %hvec4, <8 x i16> %hvec5, <8 x i32> %hlow3 = shufflevector <8 x i16> %hvec6, <8 x i16> %hvec7, <8 x i32> %join0 = shufflevector <8 x i16> %hlow0, <8 x i16> %hlow1, <8 x i32> %join1 = shufflevector <8 x i16> %hlow2, <8 x i16> %hlow3, <8 x i32> %ret = shufflevector <8 x i16> %join0, <8 x i16> %join1, <8 x i32> ret <8 x i16> %ret } ; A direct pack operation. define <8 x i16> @f3(<4 x i32> %val0, <4 x i32> %val1) { ; CHECK-LABEL: f3: ; CHECK: vpkf %v24, %v24, %v26 ; CHECK: br %r14 %bitcast0 = bitcast <4 x i32> %val0 to <8 x i16> %bitcast1 = bitcast <4 x i32> %val1 to <8 x i16> %ret = shufflevector <8 x i16> %bitcast0, <8 x i16> %bitcast1, <8 x i32> ret <8 x i16> %ret } ; One way of writing a <4 x i32> -> <16 x i8> pack. It doesn't matter ; whether the first pack is VPKF or VPKH since the even bytes of the ; result are discarded. define <16 x i8> @f4(<4 x i32> %val0, <4 x i32> %val1, <4 x i32> %val2, <4 x i32> %val3) { ; CHECK-LABEL: f4: ; CHECK-DAG: vpk{{[hf]}} [[REG1:%v[0-9]+]], %v24, %v26 ; CHECK-DAG: vpk{{[hf]}} [[REG2:%v[0-9]+]], %v28, %v30 ; CHECK: vpkh %v24, [[REG1]], [[REG2]] ; CHECK: br %r14 %bitcast0 = bitcast <4 x i32> %val0 to <8 x i16> %bitcast1 = bitcast <4 x i32> %val1 to <8 x i16> %bitcast2 = bitcast <4 x i32> %val2 to <8 x i16> %bitcast3 = bitcast <4 x i32> %val3 to <8 x i16> %join0 = shufflevector <8 x i16> %bitcast0, <8 x i16> %bitcast1, <8 x i32> %join1 = shufflevector <8 x i16> %bitcast2, <8 x i16> %bitcast3, <8 x i32> %bitcast4 = bitcast <8 x i16> %join0 to <16 x i8> %bitcast5 = bitcast <8 x i16> %join1 to <16 x i8> %ret = shufflevector <16 x i8> %bitcast4, <16 x i8> %bitcast5, <16 x i32> ret <16 x i8> %ret } ; Check the same operation, but with elements being extracted from the result. define void @f5(<4 x i32> %val0, <4 x i32> %val1, <4 x i32> %val2, <4 x i32> %val3, i8 *%base) { ; CHECK-LABEL: f5: ; CHECK-DAG: vsteb %v24, 0(%r2), 11 ; CHECK-DAG: vsteb %v26, 1(%r2), 15 ; CHECK-DAG: vsteb %v28, 2(%r2), 3 ; CHECK-DAG: vsteb %v30, 3(%r2), 7 ; CHECK: br %r14 %bitcast0 = bitcast <4 x i32> %val0 to <8 x i16> %bitcast1 = bitcast <4 x i32> %val1 to <8 x i16> %bitcast2 = bitcast <4 x i32> %val2 to <8 x i16> %bitcast3 = bitcast <4 x i32> %val3 to <8 x i16> %join0 = shufflevector <8 x i16> %bitcast0, <8 x i16> %bitcast1, <8 x i32> %join1 = shufflevector <8 x i16> %bitcast2, <8 x i16> %bitcast3, <8 x i32> %bitcast4 = bitcast <8 x i16> %join0 to <16 x i8> %bitcast5 = bitcast <8 x i16> %join1 to <16 x i8> %vec = shufflevector <16 x i8> %bitcast4, <16 x i8> %bitcast5, <16 x i32> %ptr0 = getelementptr i8, i8 *%base, i64 0 %ptr1 = getelementptr i8, i8 *%base, i64 1 %ptr2 = getelementptr i8, i8 *%base, i64 2 %ptr3 = getelementptr i8, i8 *%base, i64 3 %byte0 = extractelement <16 x i8> %vec, i32 2 %byte1 = extractelement <16 x i8> %vec, i32 7 %byte2 = extractelement <16 x i8> %vec, i32 8 %byte3 = extractelement <16 x i8> %vec, i32 13 store i8 %byte0, i8 *%ptr0 store i8 %byte1, i8 *%ptr1 store i8 %byte2, i8 *%ptr2 store i8 %byte3, i8 *%ptr3 ret void } ; A different way of writing a <4 x i32> -> <16 x i8> pack. define <16 x i8> @f6(<4 x i32> %val0, <4 x i32> %val1, <4 x i32> %val2, <4 x i32> %val3) { ; CHECK-LABEL: f6: ; CHECK-DAG: vpk{{[hf]}} [[REG1:%v[0-9]+]], %v24, %v26 ; CHECK-DAG: vpk{{[hf]}} [[REG2:%v[0-9]+]], %v28, %v30 ; CHECK: vpkh %v24, [[REG1]], [[REG2]] ; CHECK: br %r14 %elem0 = extractelement <4 x i32> %val0, i32 0 %elem1 = extractelement <4 x i32> %val0, i32 1 %elem2 = extractelement <4 x i32> %val0, i32 2 %elem3 = extractelement <4 x i32> %val0, i32 3 %elem4 = extractelement <4 x i32> %val1, i32 0 %elem5 = extractelement <4 x i32> %val1, i32 1 %elem6 = extractelement <4 x i32> %val1, i32 2 %elem7 = extractelement <4 x i32> %val1, i32 3 %elem8 = extractelement <4 x i32> %val2, i32 0 %elem9 = extractelement <4 x i32> %val2, i32 1 %elem10 = extractelement <4 x i32> %val2, i32 2 %elem11 = extractelement <4 x i32> %val2, i32 3 %elem12 = extractelement <4 x i32> %val3, i32 0 %elem13 = extractelement <4 x i32> %val3, i32 1 %elem14 = extractelement <4 x i32> %val3, i32 2 %elem15 = extractelement <4 x i32> %val3, i32 3 %bitcast0 = bitcast i32 %elem0 to <2 x i16> %bitcast1 = bitcast i32 %elem1 to <2 x i16> %bitcast2 = bitcast i32 %elem2 to <2 x i16> %bitcast3 = bitcast i32 %elem3 to <2 x i16> %bitcast4 = bitcast i32 %elem4 to <2 x i16> %bitcast5 = bitcast i32 %elem5 to <2 x i16> %bitcast6 = bitcast i32 %elem6 to <2 x i16> %bitcast7 = bitcast i32 %elem7 to <2 x i16> %bitcast8 = bitcast i32 %elem8 to <2 x i16> %bitcast9 = bitcast i32 %elem9 to <2 x i16> %bitcast10 = bitcast i32 %elem10 to <2 x i16> %bitcast11 = bitcast i32 %elem11 to <2 x i16> %bitcast12 = bitcast i32 %elem12 to <2 x i16> %bitcast13 = bitcast i32 %elem13 to <2 x i16> %bitcast14 = bitcast i32 %elem14 to <2 x i16> %bitcast15 = bitcast i32 %elem15 to <2 x i16> %low0 = shufflevector <2 x i16> %bitcast0, <2 x i16> %bitcast1, <2 x i32> %low1 = shufflevector <2 x i16> %bitcast2, <2 x i16> %bitcast3, <2 x i32> %low2 = shufflevector <2 x i16> %bitcast4, <2 x i16> %bitcast5, <2 x i32> %low3 = shufflevector <2 x i16> %bitcast6, <2 x i16> %bitcast7, <2 x i32> %low4 = shufflevector <2 x i16> %bitcast8, <2 x i16> %bitcast9, <2 x i32> %low5 = shufflevector <2 x i16> %bitcast10, <2 x i16> %bitcast11, <2 x i32> %low6 = shufflevector <2 x i16> %bitcast12, <2 x i16> %bitcast13, <2 x i32> %low7 = shufflevector <2 x i16> %bitcast14, <2 x i16> %bitcast15, <2 x i32> %bytes0 = bitcast <2 x i16> %low0 to <4 x i8> %bytes1 = bitcast <2 x i16> %low1 to <4 x i8> %bytes2 = bitcast <2 x i16> %low2 to <4 x i8> %bytes3 = bitcast <2 x i16> %low3 to <4 x i8> %bytes4 = bitcast <2 x i16> %low4 to <4 x i8> %bytes5 = bitcast <2 x i16> %low5 to <4 x i8> %bytes6 = bitcast <2 x i16> %low6 to <4 x i8> %bytes7 = bitcast <2 x i16> %low7 to <4 x i8> %blow0 = shufflevector <4 x i8> %bytes0, <4 x i8> %bytes1, <4 x i32> %blow1 = shufflevector <4 x i8> %bytes2, <4 x i8> %bytes3, <4 x i32> %blow2 = shufflevector <4 x i8> %bytes4, <4 x i8> %bytes5, <4 x i32> %blow3 = shufflevector <4 x i8> %bytes6, <4 x i8> %bytes7, <4 x i32> %join0 = shufflevector <4 x i8> %blow0, <4 x i8> %blow1, <8 x i32> %join1 = shufflevector <4 x i8> %blow2, <4 x i8> %blow3, <8 x i32> %ret = shufflevector <8 x i8> %join0, <8 x i8> %join1, <16 x i32> ret <16 x i8> %ret } ; One way of writing a <2 x i64> -> <16 x i8> pack. define <16 x i8> @f7(<2 x i64> %val0, <2 x i64> %val1, <2 x i64> %val2, <2 x i64> %val3, <2 x i64> %val4, <2 x i64> %val5, <2 x i64> %val6, <2 x i64> %val7) { ; CHECK-LABEL: f7: ; CHECK-DAG: vpk{{[hfg]}} [[REG1:%v[0-9]+]], %v24, %v26 ; CHECK-DAG: vpk{{[hfg]}} [[REG2:%v[0-9]+]], %v28, %v30 ; CHECK-DAG: vpk{{[hfg]}} [[REG3:%v[0-9]+]], %v25, %v27 ; CHECK-DAG: vpk{{[hfg]}} [[REG4:%v[0-9]+]], %v29, %v31 ; CHECK-DAG: vpk{{[hf]}} [[REG5:%v[0-9]+]], [[REG1]], [[REG2]] ; CHECK-DAG: vpk{{[hf]}} [[REG6:%v[0-9]+]], [[REG3]], [[REG4]] ; CHECK: vpkh %v24, [[REG5]], [[REG6]] ; CHECK: br %r14 %elem0 = extractelement <2 x i64> %val0, i32 0 %elem1 = extractelement <2 x i64> %val0, i32 1 %elem2 = extractelement <2 x i64> %val1, i32 0 %elem3 = extractelement <2 x i64> %val1, i32 1 %elem4 = extractelement <2 x i64> %val2, i32 0 %elem5 = extractelement <2 x i64> %val2, i32 1 %elem6 = extractelement <2 x i64> %val3, i32 0 %elem7 = extractelement <2 x i64> %val3, i32 1 %elem8 = extractelement <2 x i64> %val4, i32 0 %elem9 = extractelement <2 x i64> %val4, i32 1 %elem10 = extractelement <2 x i64> %val5, i32 0 %elem11 = extractelement <2 x i64> %val5, i32 1 %elem12 = extractelement <2 x i64> %val6, i32 0 %elem13 = extractelement <2 x i64> %val6, i32 1 %elem14 = extractelement <2 x i64> %val7, i32 0 %elem15 = extractelement <2 x i64> %val7, i32 1 %bitcast0 = bitcast i64 %elem0 to <2 x i32> %bitcast1 = bitcast i64 %elem1 to <2 x i32> %bitcast2 = bitcast i64 %elem2 to <2 x i32> %bitcast3 = bitcast i64 %elem3 to <2 x i32> %bitcast4 = bitcast i64 %elem4 to <2 x i32> %bitcast5 = bitcast i64 %elem5 to <2 x i32> %bitcast6 = bitcast i64 %elem6 to <2 x i32> %bitcast7 = bitcast i64 %elem7 to <2 x i32> %bitcast8 = bitcast i64 %elem8 to <2 x i32> %bitcast9 = bitcast i64 %elem9 to <2 x i32> %bitcast10 = bitcast i64 %elem10 to <2 x i32> %bitcast11 = bitcast i64 %elem11 to <2 x i32> %bitcast12 = bitcast i64 %elem12 to <2 x i32> %bitcast13 = bitcast i64 %elem13 to <2 x i32> %bitcast14 = bitcast i64 %elem14 to <2 x i32> %bitcast15 = bitcast i64 %elem15 to <2 x i32> %low0 = shufflevector <2 x i32> %bitcast0, <2 x i32> %bitcast1, <2 x i32> %low1 = shufflevector <2 x i32> %bitcast2, <2 x i32> %bitcast3, <2 x i32> %low2 = shufflevector <2 x i32> %bitcast4, <2 x i32> %bitcast5, <2 x i32> %low3 = shufflevector <2 x i32> %bitcast6, <2 x i32> %bitcast7, <2 x i32> %low4 = shufflevector <2 x i32> %bitcast8, <2 x i32> %bitcast9, <2 x i32> %low5 = shufflevector <2 x i32> %bitcast10, <2 x i32> %bitcast11, <2 x i32> %low6 = shufflevector <2 x i32> %bitcast12, <2 x i32> %bitcast13, <2 x i32> %low7 = shufflevector <2 x i32> %bitcast14, <2 x i32> %bitcast15, <2 x i32> %half0 = bitcast <2 x i32> %low0 to <4 x i16> %half1 = bitcast <2 x i32> %low1 to <4 x i16> %half2 = bitcast <2 x i32> %low2 to <4 x i16> %half3 = bitcast <2 x i32> %low3 to <4 x i16> %half4 = bitcast <2 x i32> %low4 to <4 x i16> %half5 = bitcast <2 x i32> %low5 to <4 x i16> %half6 = bitcast <2 x i32> %low6 to <4 x i16> %half7 = bitcast <2 x i32> %low7 to <4 x i16> %hlow0 = shufflevector <4 x i16> %half0, <4 x i16> %half1, <4 x i32> %hlow1 = shufflevector <4 x i16> %half2, <4 x i16> %half3, <4 x i32> %hlow2 = shufflevector <4 x i16> %half4, <4 x i16> %half5, <4 x i32> %hlow3 = shufflevector <4 x i16> %half6, <4 x i16> %half7, <4 x i32> %bytes0 = bitcast <4 x i16> %hlow0 to <8 x i8> %bytes1 = bitcast <4 x i16> %hlow1 to <8 x i8> %bytes2 = bitcast <4 x i16> %hlow2 to <8 x i8> %bytes3 = bitcast <4 x i16> %hlow3 to <8 x i8> %join0 = shufflevector <8 x i8> %bytes0, <8 x i8> %bytes1, <8 x i32> %join1 = shufflevector <8 x i8> %bytes2, <8 x i8> %bytes3, <8 x i32> %ret = shufflevector <8 x i8> %join0, <8 x i8> %join1, <16 x i32> ret <16 x i8> %ret } ; Test a <2 x i64> -> <4 x f32> pack in which only individual elements are ; needed. define float @f8(i64 %scalar0, i64 %scalar1, i64 %scalar2, i64 %scalar3) { ; CHECK-LABEL: f8: ; CHECK-NOT: vperm ; CHECK-NOT: vpk ; CHECK-NOT: vmrh ; CHECK: aebr {{%f[0-7]}}, ; CHECK: aebr {{%f[0-7]}}, ; CHECK: meebr %f0, ; CHECK: br %r14 %vec0 = insertelement <2 x i64> undef, i64 %scalar0, i32 0 %vec1 = insertelement <2 x i64> undef, i64 %scalar1, i32 0 %vec2 = insertelement <2 x i64> undef, i64 %scalar2, i32 0 %vec3 = insertelement <2 x i64> undef, i64 %scalar3, i32 0 %join0 = shufflevector <2 x i64> %vec0, <2 x i64> %vec1, <2 x i32> %join1 = shufflevector <2 x i64> %vec2, <2 x i64> %vec3, <2 x i32> %bitcast0 = bitcast <2 x i64> %join0 to <4 x float> %bitcast1 = bitcast <2 x i64> %join1 to <4 x float> %pack = shufflevector <4 x float> %bitcast0, <4 x float> %bitcast1, <4 x i32> %elt0 = extractelement <4 x float> %pack, i32 0 %elt1 = extractelement <4 x float> %pack, i32 1 %elt2 = extractelement <4 x float> %pack, i32 2 %elt3 = extractelement <4 x float> %pack, i32 3 %add0 = fadd float %elt0, %elt2 %add1 = fadd float %elt1, %elt3 %ret = fmul float %add0, %add1 ret float %ret } ; Test a <2 x f64> -> <4 x i32> pack in which only individual elements are ; needed. define i32 @f9(double %scalar0, double %scalar1, double %scalar2, double %scalar3) { ; CHECK-LABEL: f9: ; CHECK-NOT: vperm ; CHECK-NOT: vpk ; CHECK-NOT: vmrh ; CHECK: ar {{%r[0-5]}}, ; CHECK: ar {{%r[0-5]}}, ; CHECK: ork %r2, ; CHECK: br %r14 %vec0 = insertelement <2 x double> undef, double %scalar0, i32 0 %vec1 = insertelement <2 x double> undef, double %scalar1, i32 0 %vec2 = insertelement <2 x double> undef, double %scalar2, i32 0 %vec3 = insertelement <2 x double> undef, double %scalar3, i32 0 %join0 = shufflevector <2 x double> %vec0, <2 x double> %vec1, <2 x i32> %join1 = shufflevector <2 x double> %vec2, <2 x double> %vec3, <2 x i32> %bitcast0 = bitcast <2 x double> %join0 to <4 x i32> %bitcast1 = bitcast <2 x double> %join1 to <4 x i32> %pack = shufflevector <4 x i32> %bitcast0, <4 x i32> %bitcast1, <4 x i32> %elt0 = extractelement <4 x i32> %pack, i32 0 %elt1 = extractelement <4 x i32> %pack, i32 1 %elt2 = extractelement <4 x i32> %pack, i32 2 %elt3 = extractelement <4 x i32> %pack, i32 3 %add0 = add i32 %elt0, %elt2 %add1 = add i32 %elt1, %elt3 %ret = or i32 %add0, %add1 ret i32 %ret }