58 lines
1.4 KiB
LLVM
58 lines
1.4 KiB
LLVM
; RUN: llc < %s -march=x86 -mcpu=core2 | FileCheck %s
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define <4 x i16> @a(i32* %x1) nounwind {
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; CHECK-LABEL: a:
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; CHECK: shrl %[[R:[^,]+]]
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; CHECK-NEXT: movd %[[R]], %xmm0
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; CHECK-NEXT: retl
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%x2 = load i32, i32* %x1
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%x3 = lshr i32 %x2, 1
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%x = trunc i32 %x3 to i16
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%r = insertelement <4 x i16> zeroinitializer, i16 %x, i32 0
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ret <4 x i16> %r
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}
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define <8 x i16> @b(i32* %x1) nounwind {
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; CHECK-LABEL: b:
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; CHECK: shrl %e[[R:.]]x
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; CHECK-NEXT: movzwl %[[R]]x, %e[[R]]x
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; CHECK-NEXT: movd %e[[R]]x, %xmm0
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; CHECK-NEXT: retl
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%x2 = load i32, i32* %x1
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%x3 = lshr i32 %x2, 1
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%x = trunc i32 %x3 to i16
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%r = insertelement <8 x i16> zeroinitializer, i16 %x, i32 0
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ret <8 x i16> %r
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}
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define <8 x i8> @c(i32* %x1) nounwind {
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; CHECK-LABEL: c:
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; CHECK: shrl %e[[R:.]]x
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; CHECK-NEXT: movzwl %[[R]]x, %e[[R]]x
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; CHECK-NEXT: movd %e[[R]]x, %xmm0
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; CHECK-NEXT: retl
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%x2 = load i32, i32* %x1
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%x3 = lshr i32 %x2, 1
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%x = trunc i32 %x3 to i8
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%r = insertelement <8 x i8> zeroinitializer, i8 %x, i32 0
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ret <8 x i8> %r
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}
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define <16 x i8> @d(i32* %x1) nounwind {
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; CHECK-LABEL: d:
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; CHECK: shrl %e[[R:.]]x
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; CHECK-NEXT: movzbl %[[R]]l, %e[[R]]x
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; CHECK-NEXT: movd %e[[R]]x, %xmm0
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; CHECK-NEXT: retl
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%x2 = load i32, i32* %x1
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%x3 = lshr i32 %x2, 1
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%x = trunc i32 %x3 to i8
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%r = insertelement <16 x i8> zeroinitializer, i8 %x, i32 0
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ret <16 x i8> %r
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}
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