[X86][XOP] Add target shuffle constant folding tests

llvm-svn: 281828

diff --git a/llvm/test/CodeGen/X86/vector-shuffle-combining-xop.ll b/llvm/test/CodeGen/X86/vector-shuffle-combining-xop.ll
index ae6df60..4b760d1 100644 (file)
--- a/llvm/test/CodeGen/X86/vector-shuffle-combining-xop.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-combining-xop.ll
@@ -260,3 +260,93 @@ define <4 x i32> @combine_vpperm_10zz32BA(<4 x i32> %a0, <4 x i32> %a1) {
   %res3 = bitcast <16 x i8> %res2 to <4 x i32>
   ret <4 x i32> %res3
 }
+
+define <2 x double> @constant_fold_vpermil2pd() {
+; X32-LABEL: constant_fold_vpermil2pd:
+; X32:       # BB#0:
+; X32-NEXT:    vmovapd {{.*#+}} xmm0 = [-2.000000e+00,-1.000000e+00]
+; X32-NEXT:    vmovapd {{.*#+}} xmm1 = [1.000000e+00,2.000000e+00]
+; X32-NEXT:    vpermil2pd {{.*#+}} xmm0 = xmm0[0],xmm1[1]
+; X32-NEXT:    retl
+;
+; X64-LABEL: constant_fold_vpermil2pd:
+; X64:       # BB#0:
+; X64-NEXT:    vmovapd {{.*#+}} xmm0 = [-2.000000e+00,-1.000000e+00]
+; X64-NEXT:    vmovapd {{.*#+}} xmm1 = [1.000000e+00,2.000000e+00]
+; X64-NEXT:    vpermil2pd {{.*#+}} xmm0 = xmm0[0],xmm1[1]
+; X64-NEXT:    retq
+  %1 = call <2 x double> @llvm.x86.xop.vpermil2pd(<2 x double> <double 1.0, double 2.0>, <2 x double> <double -2.0, double -1.0>, <2 x i64> <i64 4, i64 2>, i8 2)
+  ret <2 x double> %1
+}
+
+define <4 x double> @constant_fold_vpermil2pd_256() {
+; X32-LABEL: constant_fold_vpermil2pd_256:
+; X32:       # BB#0:
+; X32-NEXT:    vmovapd {{.*#+}} ymm0 = [-4.000000e+00,-3.000000e+00,-2.000000e+00,-1.000000e+00]
+; X32-NEXT:    vmovapd {{.*#+}} ymm1 = [1.000000e+00,2.000000e+00,3.000000e+00,4.000000e+00]
+; X32-NEXT:    vpermil2pd {{.*#+}} ymm0 = ymm0[0],zero,ymm1[3,2]
+; X32-NEXT:    retl
+;
+; X64-LABEL: constant_fold_vpermil2pd_256:
+; X64:       # BB#0:
+; X64-NEXT:    vmovapd {{.*#+}} ymm0 = [-4.000000e+00,-3.000000e+00,-2.000000e+00,-1.000000e+00]
+; X64-NEXT:    vmovapd {{.*#+}} ymm1 = [1.000000e+00,2.000000e+00,3.000000e+00,4.000000e+00]
+; X64-NEXT:    vpermil2pd {{.*#+}} ymm0 = ymm0[0],zero,ymm1[3,2]
+; X64-NEXT:    retq
+  %1 = call <4 x double> @llvm.x86.xop.vpermil2pd.256(<4 x double> <double 1.0, double 2.0, double 3.0, double 4.0>, <4 x double> <double -4.0, double -3.0, double -2.0, double -1.0>, <4 x i64> <i64 4, i64 8, i64 2, i64 0>, i8 2)
+  ret <4 x double> %1
+}
+
+define <4 x float> @constant_fold_vpermil2ps() {
+; X32-LABEL: constant_fold_vpermil2ps:
+; X32:       # BB#0:
+; X32-NEXT:    vmovaps {{.*#+}} xmm0 = [-4.000000e+00,-3.000000e+00,-2.000000e+00,-1.000000e+00]
+; X32-NEXT:    vmovaps {{.*#+}} xmm1 = [1.000000e+00,2.000000e+00,3.000000e+00,4.000000e+00]
+; X32-NEXT:    vpermil2ps {{.*#+}} xmm0 = xmm0[0],xmm1[0,2],zero
+; X32-NEXT:    retl
+;
+; X64-LABEL: constant_fold_vpermil2ps:
+; X64:       # BB#0:
+; X64-NEXT:    vmovaps {{.*#+}} xmm0 = [-4.000000e+00,-3.000000e+00,-2.000000e+00,-1.000000e+00]
+; X64-NEXT:    vmovaps {{.*#+}} xmm1 = [1.000000e+00,2.000000e+00,3.000000e+00,4.000000e+00]
+; X64-NEXT:    vpermil2ps {{.*#+}} xmm0 = xmm0[0],xmm1[0,2],zero
+; X64-NEXT:    retq
+  %1 = call <4 x float> @llvm.x86.xop.vpermil2ps(<4 x float> <float 1.0, float 2.0, float 3.0, float 4.0>, <4 x float> <float -4.0, float -3.0, float -2.0, float -1.0>, <4 x i32> <i32 4, i32 0, i32 2, i32 8>, i8 2)
+  ret <4 x float> %1
+}
+
+define <8 x float> @constant_fold_vpermil2ps_256() {
+; X32-LABEL: constant_fold_vpermil2ps_256:
+; X32:       # BB#0:
+; X32-NEXT:    vmovaps {{.*#+}} ymm0 = [-8.000000e+00,-7.000000e+00,-6.000000e+00,-5.000000e+00,-4.000000e+00,-3.000000e+00,-2.000000e+00,-1.000000e+00]
+; X32-NEXT:    vmovaps {{.*#+}} ymm1 = [1.000000e+00,2.000000e+00,3.000000e+00,4.000000e+00,5.000000e+00,6.000000e+00,7.000000e+00,8.000000e+00]
+; X32-NEXT:    vpermil2ps {{.*#+}} ymm0 = ymm0[0],ymm1[0,2],zero,ymm1[4],zero,ymm1[4,6]
+; X32-NEXT:    retl
+;
+; X64-LABEL: constant_fold_vpermil2ps_256:
+; X64:       # BB#0:
+; X64-NEXT:    vmovaps {{.*#+}} ymm0 = [-8.000000e+00,-7.000000e+00,-6.000000e+00,-5.000000e+00,-4.000000e+00,-3.000000e+00,-2.000000e+00,-1.000000e+00]
+; X64-NEXT:    vmovaps {{.*#+}} ymm1 = [1.000000e+00,2.000000e+00,3.000000e+00,4.000000e+00,5.000000e+00,6.000000e+00,7.000000e+00,8.000000e+00]
+; X64-NEXT:    vpermil2ps {{.*#+}} ymm0 = ymm0[0],ymm1[0,2],zero,ymm1[4],zero,ymm1[4,6]
+; X64-NEXT:    retq
+  %1 = call <8 x float> @llvm.x86.xop.vpermil2ps.256(<8 x float> <float 1.0, float 2.0, float 3.0, float 4.0, float 5.0, float 6.0, float 7.0, float 8.0>, <8 x float> <float -8.0, float -7.0, float -6.0, float -5.0, float -4.0, float -3.0, float -2.0, float -1.0>, <8 x i32> <i32 4, i32 0, i32 2, i32 8, i32 0, i32 8, i32 0, i32 2>, i8 2)
+  ret <8 x float> %1
+}
+
+define <16 x i8> @constant_fold_vpperm() {
+; X32-LABEL: constant_fold_vpperm:
+; X32:       # BB#0:
+; X32-NEXT:    vmovdqa {{.*#+}} xmm0 = [15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0]
+; X32-NEXT:    vmovdqa {{.*#+}} xmm1 = [0,255,254,253,252,251,250,249,248,247,246,245,244,243,242,241]
+; X32-NEXT:    vpperm {{.*#+}} xmm0 = xmm0[15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0]
+; X32-NEXT:    retl
+;
+; X64-LABEL: constant_fold_vpperm:
+; X64:       # BB#0:
+; X64-NEXT:    vmovdqa {{.*#+}} xmm0 = [15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0]
+; X64-NEXT:    vmovdqa {{.*#+}} xmm1 = [0,255,254,253,252,251,250,249,248,247,246,245,244,243,242,241]
+; X64-NEXT:    vpperm {{.*#+}} xmm0 = xmm0[15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0]
+; X64-NEXT:    retq
+  %1 = call <16 x i8> @llvm.x86.xop.vpperm(<16 x i8> <i8 0, i8 -1, i8 -2, i8 -3, i8 -4, i8 -5, i8 -6, i8 -7, i8 -8, i8 -9, i8 -10, i8 -11, i8 -12, i8 -13, i8 -14, i8 -15>, <16 x i8> <i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>, <16 x i8> <i8 31, i8 30, i8 29, i8 28, i8 27, i8 26, i8 25, i8 24, i8 23, i8 22, i8 21, i8 20, i8 19, i8 18, i8 17, i8 16>)
+  ret <16 x i8> %1
+}