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143 lines
3.4 KiB
LLVM
143 lines
3.4 KiB
LLVM
; RUN: llc < %s -march=x86-64 -mcpu=corei7 | FileCheck %s
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; Splat patterns below
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define <4 x i32> @shl4(<4 x i32> %A) nounwind {
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entry:
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; CHECK: shl4
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; CHECK: pslld
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; CHECK-NEXT: pslld
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%B = shl <4 x i32> %A, < i32 2, i32 2, i32 2, i32 2>
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%C = shl <4 x i32> %A, < i32 1, i32 1, i32 1, i32 1>
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%K = xor <4 x i32> %B, %C
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ret <4 x i32> %K
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}
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define <4 x i32> @shr4(<4 x i32> %A) nounwind {
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entry:
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; CHECK: shr4
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; CHECK: psrld
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; CHECK-NEXT: psrld
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%B = lshr <4 x i32> %A, < i32 2, i32 2, i32 2, i32 2>
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%C = lshr <4 x i32> %A, < i32 1, i32 1, i32 1, i32 1>
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%K = xor <4 x i32> %B, %C
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ret <4 x i32> %K
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}
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define <4 x i32> @sra4(<4 x i32> %A) nounwind {
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entry:
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; CHECK: sra4
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; CHECK: psrad
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; CHECK-NEXT: psrad
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%B = ashr <4 x i32> %A, < i32 2, i32 2, i32 2, i32 2>
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%C = ashr <4 x i32> %A, < i32 1, i32 1, i32 1, i32 1>
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%K = xor <4 x i32> %B, %C
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ret <4 x i32> %K
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}
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define <2 x i64> @shl2(<2 x i64> %A) nounwind {
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entry:
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; CHECK: shl2
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; CHECK: psllq
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; CHECK-NEXT: psllq
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%B = shl <2 x i64> %A, < i64 2, i64 2>
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%C = shl <2 x i64> %A, < i64 9, i64 9>
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%K = xor <2 x i64> %B, %C
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ret <2 x i64> %K
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}
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define <2 x i64> @shr2(<2 x i64> %A) nounwind {
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entry:
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; CHECK: shr2
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; CHECK: psrlq
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; CHECK-NEXT: psrlq
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%B = lshr <2 x i64> %A, < i64 8, i64 8>
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%C = lshr <2 x i64> %A, < i64 1, i64 1>
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%K = xor <2 x i64> %B, %C
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ret <2 x i64> %K
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}
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define <8 x i16> @shl8(<8 x i16> %A) nounwind {
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entry:
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; CHECK: shl8
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; CHECK: psllw
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; CHECK-NEXT: psllw
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%B = shl <8 x i16> %A, < i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2>
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%C = shl <8 x i16> %A, < i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>
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%K = xor <8 x i16> %B, %C
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ret <8 x i16> %K
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}
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define <8 x i16> @shr8(<8 x i16> %A) nounwind {
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entry:
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; CHECK: shr8
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; CHECK: psrlw
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; CHECK-NEXT: psrlw
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%B = lshr <8 x i16> %A, < i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2>
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%C = lshr <8 x i16> %A, < i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>
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%K = xor <8 x i16> %B, %C
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ret <8 x i16> %K
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}
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define <8 x i16> @sra8(<8 x i16> %A) nounwind {
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entry:
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; CHECK: sra8
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; CHECK: psraw
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; CHECK-NEXT: psraw
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%B = ashr <8 x i16> %A, < i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2, i16 2>
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%C = ashr <8 x i16> %A, < i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>
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%K = xor <8 x i16> %B, %C
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ret <8 x i16> %K
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}
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; non splat test
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define <8 x i16> @sll8_nosplat(<8 x i16> %A) nounwind {
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entry:
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; CHECK: sll8_nosplat
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; CHECK-NOT: psll
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; CHECK-NOT: psll
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%B = shl <8 x i16> %A, < i16 1, i16 2, i16 3, i16 6, i16 2, i16 2, i16 2, i16 2>
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%C = shl <8 x i16> %A, < i16 9, i16 7, i16 5, i16 1, i16 4, i16 1, i16 1, i16 1>
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%K = xor <8 x i16> %B, %C
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ret <8 x i16> %K
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}
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define <2 x i64> @shr2_nosplat(<2 x i64> %A) nounwind {
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entry:
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; CHECK: shr2_nosplat
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; CHECK-NOT: psrlq
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; CHECK-NOT: psrlq
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%B = lshr <2 x i64> %A, < i64 8, i64 1>
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%C = lshr <2 x i64> %A, < i64 1, i64 0>
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%K = xor <2 x i64> %B, %C
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ret <2 x i64> %K
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}
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; Other shifts
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define <2 x i32> @shl2_other(<2 x i32> %A) nounwind {
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entry:
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; CHECK: shl2_other
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; CHECK-not: psllq
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%B = shl <2 x i32> %A, < i32 2, i32 2>
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%C = shl <2 x i32> %A, < i32 9, i32 9>
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%K = xor <2 x i32> %B, %C
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ret <2 x i32> %K
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}
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define <2 x i32> @shr2_other(<2 x i32> %A) nounwind {
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entry:
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; CHECK: shr2_other
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; CHECK-NOT: psrlq
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%B = lshr <2 x i32> %A, < i32 8, i32 8>
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%C = lshr <2 x i32> %A, < i32 1, i32 1>
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%K = xor <2 x i32> %B, %C
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ret <2 x i32> %K
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}
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