1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc < %s -mtriple=i686-unknown -mattr=+sse2 | FileCheck %s --check-prefix=CHECK --check-prefix=X32 3 ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse2 | FileCheck %s --check-prefix=CHECK --check-prefix=X64 4 5 ; test vector shifts converted to proper SSE2 vector shifts when the shift 6 ; amounts are the same. 7 8 define void @shift1a(<2 x i64> %val, <2 x i64>* %dst) nounwind { 9 ; X32-LABEL: shift1a: 10 ; X32: # %bb.0: # %entry 11 ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax 12 ; X32-NEXT: psllq $32, %xmm0 13 ; X32-NEXT: movdqa %xmm0, (%eax) 14 ; X32-NEXT: retl 15 ; 16 ; X64-LABEL: shift1a: 17 ; X64: # %bb.0: # %entry 18 ; X64-NEXT: psllq $32, %xmm0 19 ; X64-NEXT: movdqa %xmm0, (%rdi) 20 ; X64-NEXT: retq 21 entry: 22 %shl = shl <2 x i64> %val, < i64 32, i64 32 > 23 store <2 x i64> %shl, <2 x i64>* %dst 24 ret void 25 } 26 27 define void @shift1b(<2 x i64> %val, <2 x i64>* %dst, i64 %amt) nounwind { 28 ; X32-LABEL: shift1b: 29 ; X32: # %bb.0: # %entry 30 ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax 31 ; X32-NEXT: movq {{.*#+}} xmm1 = mem[0],zero 32 ; X32-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,1,0,1] 33 ; X32-NEXT: psllq %xmm1, %xmm0 34 ; X32-NEXT: movdqa %xmm0, (%eax) 35 ; X32-NEXT: retl 36 ; 37 ; X64-LABEL: shift1b: 38 ; X64: # %bb.0: # %entry 39 ; X64-NEXT: movq %rsi, %xmm1 40 ; X64-NEXT: psllq %xmm1, %xmm0 41 ; X64-NEXT: movdqa %xmm0, (%rdi) 42 ; X64-NEXT: retq 43 entry: 44 %0 = insertelement <2 x i64> undef, i64 %amt, i32 0 45 %1 = insertelement <2 x i64> %0, i64 %amt, i32 1 46 %shl = shl <2 x i64> %val, %1 47 store <2 x i64> %shl, <2 x i64>* %dst 48 ret void 49 } 50 51 52 define void @shift2a(<4 x i32> %val, <4 x i32>* %dst) nounwind { 53 ; X32-LABEL: shift2a: 54 ; X32: # %bb.0: # %entry 55 ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax 56 ; X32-NEXT: pslld $5, %xmm0 57 ; X32-NEXT: movdqa %xmm0, (%eax) 58 ; X32-NEXT: retl 59 ; 60 ; X64-LABEL: shift2a: 61 ; X64: # %bb.0: # %entry 62 ; X64-NEXT: pslld $5, %xmm0 63 ; X64-NEXT: movdqa %xmm0, (%rdi) 64 ; X64-NEXT: retq 65 entry: 66 %shl = shl <4 x i32> %val, < i32 5, i32 5, i32 5, i32 5 > 67 store <4 x i32> %shl, <4 x i32>* %dst 68 ret void 69 } 70 71 define void @shift2b(<4 x i32> %val, <4 x i32>* %dst, i32 %amt) nounwind { 72 ; X32-LABEL: shift2b: 73 ; X32: # %bb.0: # %entry 74 ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax 75 ; X32-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero 76 ; X32-NEXT: pslld %xmm1, %xmm0 77 ; X32-NEXT: movdqa %xmm0, (%eax) 78 ; X32-NEXT: retl 79 ; 80 ; X64-LABEL: shift2b: 81 ; X64: # %bb.0: # %entry 82 ; X64-NEXT: movd %esi, %xmm1 83 ; X64-NEXT: pslld %xmm1, %xmm0 84 ; X64-NEXT: movdqa %xmm0, (%rdi) 85 ; X64-NEXT: retq 86 entry: 87 %0 = insertelement <4 x i32> undef, i32 %amt, i32 0 88 %1 = insertelement <4 x i32> %0, i32 %amt, i32 1 89 %2 = insertelement <4 x i32> %1, i32 %amt, i32 2 90 %3 = insertelement <4 x i32> %2, i32 %amt, i32 3 91 %shl = shl <4 x i32> %val, %3 92 store <4 x i32> %shl, <4 x i32>* %dst 93 ret void 94 } 95 96 define void @shift3a(<8 x i16> %val, <8 x i16>* %dst) nounwind { 97 ; X32-LABEL: shift3a: 98 ; X32: # %bb.0: # %entry 99 ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax 100 ; X32-NEXT: psllw $5, %xmm0 101 ; X32-NEXT: movdqa %xmm0, (%eax) 102 ; X32-NEXT: retl 103 ; 104 ; X64-LABEL: shift3a: 105 ; X64: # %bb.0: # %entry 106 ; X64-NEXT: psllw $5, %xmm0 107 ; X64-NEXT: movdqa %xmm0, (%rdi) 108 ; X64-NEXT: retq 109 entry: 110 %shl = shl <8 x i16> %val, < i16 5, i16 5, i16 5, i16 5, i16 5, i16 5, i16 5, i16 5 > 111 store <8 x i16> %shl, <8 x i16>* %dst 112 ret void 113 } 114 115 ; Make sure the shift amount is properly zero extended. 116 define void @shift3b(<8 x i16> %val, <8 x i16>* %dst, i16 %amt) nounwind { 117 ; X32-LABEL: shift3b: 118 ; X32: # %bb.0: # %entry 119 ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax 120 ; X32-NEXT: movzwl {{[0-9]+}}(%esp), %ecx 121 ; X32-NEXT: movd %ecx, %xmm1 122 ; X32-NEXT: psllw %xmm1, %xmm0 123 ; X32-NEXT: movdqa %xmm0, (%eax) 124 ; X32-NEXT: retl 125 ; 126 ; X64-LABEL: shift3b: 127 ; X64: # %bb.0: # %entry 128 ; X64-NEXT: movzwl %si, %eax 129 ; X64-NEXT: movd %eax, %xmm1 130 ; X64-NEXT: psllw %xmm1, %xmm0 131 ; X64-NEXT: movdqa %xmm0, (%rdi) 132 ; X64-NEXT: retq 133 entry: 134 %0 = insertelement <8 x i16> undef, i16 %amt, i32 0 135 %1 = insertelement <8 x i16> %0, i16 %amt, i32 1 136 %2 = insertelement <8 x i16> %1, i16 %amt, i32 2 137 %3 = insertelement <8 x i16> %2, i16 %amt, i32 3 138 %4 = insertelement <8 x i16> %3, i16 %amt, i32 4 139 %5 = insertelement <8 x i16> %4, i16 %amt, i32 5 140 %6 = insertelement <8 x i16> %5, i16 %amt, i32 6 141 %7 = insertelement <8 x i16> %6, i16 %amt, i32 7 142 %shl = shl <8 x i16> %val, %7 143 store <8 x i16> %shl, <8 x i16>* %dst 144 ret void 145 } 146 147
