AVX-512: Added SHIFT instructions.

llvm-svn: 188899

2 files changed, 124 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/X86/avx512-shift.ll b/llvm/test/CodeGen/X86/avx512-shift.ll
new file mode 100644
index 00000000000..8cdcf8ad062
--- /dev/null
+++ b/llvm/test/CodeGen/X86/avx512-shift.ll
@@ -0,0 +1,108 @@
+;RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl | FileCheck %s
+
+;CHECK-LABEL: shift_16_i32
+;CHECK: vpsrld
+;CHECK: vpslld
+;CHECK: vpsrad
+;CHECK: ret
+define <16 x i32> @shift_16_i32(<16 x i32> %a) {
+   %b = lshr <16 x i32> %a, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
+   %c = shl <16 x i32> %b, <i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12>
+   %d = ashr <16 x i32> %c, <i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12>
+   ret <16 x i32> %d;
+}
+
+;CHECK-LABEL: shift_8_i64
+;CHECK: vpsrlq
+;CHECK: vpsllq
+;CHECK: vpsraq
+;CHECK: ret
+define <8 x i64> @shift_8_i64(<8 x i64> %a) {
+   %b = lshr <8 x i64> %a, <i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1>
+   %c = shl <8 x i64> %b,  <i64 12, i64 12, i64 12, i64 12, i64 12, i64 12, i64 12, i64 12>
+   %d = ashr <8 x i64> %c, <i64 12, i64 12, i64 12, i64 12, i64 12, i64 12, i64 12, i64 12>
+   ret <8 x i64> %d;
+}
+
+; CHECK-LABEL: variable_shl4
+; CHECK: vpsllvq %zmm
+; CHECK: ret
+define <8 x i64> @variable_shl4(<8 x i64> %x, <8 x i64> %y) {
+  %k = shl <8 x i64> %x, %y
+  ret <8 x i64> %k
+}
+
+; CHECK-LABEL: variable_shl5
+; CHECK: vpsllvd %zmm
+; CHECK: ret
+define <16 x i32> @variable_shl5(<16 x i32> %x, <16 x i32> %y) {
+  %k = shl <16 x i32> %x, %y
+  ret <16 x i32> %k
+}
+
+; CHECK-LABEL: variable_srl0
+; CHECK: vpsrlvd
+; CHECK: ret
+define <16 x i32> @variable_srl0(<16 x i32> %x, <16 x i32> %y) {
+  %k = lshr <16 x i32> %x, %y
+  ret <16 x i32> %k
+}
+
+; CHECK-LABEL: variable_srl2
+; CHECK: psrlvq
+; CHECK: ret
+define <8 x i64> @variable_srl2(<8 x i64> %x, <8 x i64> %y) {
+  %k = lshr <8 x i64> %x, %y
+  ret <8 x i64> %k
+}
+
+; CHECK-LABEL: variable_sra1
+; CHECK: vpsravd
+; CHECK: ret
+define <16 x i32> @variable_sra1(<16 x i32> %x, <16 x i32> %y) {
+  %k = ashr <16 x i32> %x, %y
+  ret <16 x i32> %k
+}
+
+; CHECK-LABEL: variable_sra2
+; CHECK: vpsravq %zmm
+; CHECK: ret
+define <8 x i64> @variable_sra2(<8 x i64> %x, <8 x i64> %y) {
+  %k = ashr <8 x i64> %x, %y
+  ret <8 x i64> %k
+}
+
+; CHECK-LABEL: variable_sra01_load
+; CHECK: vpsravd (%
+; CHECK: ret
+define <16 x i32> @variable_sra01_load(<16 x i32> %x, <16 x i32>* %y) {
+  %y1 = load <16 x i32>* %y
+  %k = ashr <16 x i32> %x, %y1
+  ret <16 x i32> %k
+}
+
+; CHECK-LABEL: variable_shl1_load
+; CHECK: vpsllvd (%
+; CHECK: ret
+define <16 x i32> @variable_shl1_load(<16 x i32> %x, <16 x i32>* %y) {
+  %y1 = load <16 x i32>* %y
+  %k = shl <16 x i32> %x, %y1
+  ret <16 x i32> %k
+}
+; CHECK: variable_srl0_load
+; CHECK: vpsrlvd (%
+; CHECK: ret
+define <16 x i32> @variable_srl0_load(<16 x i32> %x, <16 x i32>* %y) {
+  %y1 = load <16 x i32>* %y
+  %k = lshr <16 x i32> %x, %y1
+  ret <16 x i32> %k
+}
+
+; CHECK: variable_srl3_load
+; CHECK: vpsrlvq (%
+; CHECK: ret
+define <8 x i64> @variable_srl3_load(<8 x i64> %x, <8 x i64>* %y) {
+  %y1 = load <8 x i64>* %y
+  %k = lshr <8 x i64> %x, %y1
+  ret <8 x i64> %k
+}
diff --git a/llvm/test/MC/X86/avx512-encodings.s b/llvm/test/MC/X86/avx512-encodings.s
index 26a77c19062..35efd405871 100644
--- a/llvm/test/MC/X86/avx512-encodings.s
+++ b/llvm/test/MC/X86/avx512-encodings.s
@@ -19,3 +19,19 @@ vextracti64x4  $1, %zmm9, %ymm17
 // CHECK: vextracti64x4
 // CHECK: encoding: [0x62,0x73,0xfd,0x48,0x3b,0x4f,0x10,0x01]
 vextracti64x4  $1, %zmm9, 512(%rdi)
+
+// CHECK: vpsrad
+// CHECK: encoding: [0x62,0xb1,0x35,0x40,0x72,0xe1,0x02]
+vpsrad $2, %zmm17, %zmm25
+
+// CHECK: vpsrad
+// CHECK: encoding: [0x62,0xf1,0x35,0x40,0x72,0x64,0xb7,0x08,0x02]
+vpsrad $2, 512(%rdi, %rsi, 4), %zmm25
+
+// CHECK: vpsrad
+// CHECK: encoding: [0x62,0x21,0x1d,0x48,0xe2,0xc9]
+vpsrad %xmm17, %zmm12, %zmm25
+
+// CHECK: vpsrad
+// CHECK: encoding: [0x62,0x61,0x1d,0x48,0xe2,0x4c,0xb7,0x20]
+vpsrad 512(%rdi, %rsi, 4), %zmm12, %zmm25