-; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 -disable-mmx -o %t -f
-; RUN: grep psllq %t | count 1
-; RUN: grep pslld %t | count 3
-; RUN: grep psllw %t | count 2
+; RUN: llc < %s -march=x86 -mcpu=core2 | FileCheck %s
; test vector shifts converted to proper SSE2 vector shifts when the shift
; amounts are the same when using a shuffle splat.
define void @shift1a(<2 x i64> %val, <2 x i64>* %dst, <2 x i64> %sh) nounwind {
entry:
+; CHECK-LABEL: shift1a:
+; CHECK: psllq
%shamt = shufflevector <2 x i64> %sh, <2 x i64> undef, <2 x i32> <i32 0, i32 0>
%shl = shl <2 x i64> %val, %shamt
store <2 x i64> %shl, <2 x i64>* %dst
ret void
}
+; shift1b can't use a packed shift
define void @shift1b(<2 x i64> %val, <2 x i64>* %dst, <2 x i64> %sh) nounwind {
entry:
+; CHECK-LABEL: shift1b:
+; CHECK: shll
%shamt = shufflevector <2 x i64> %sh, <2 x i64> undef, <2 x i32> <i32 0, i32 1>
%shl = shl <2 x i64> %val, %shamt
store <2 x i64> %shl, <2 x i64>* %dst
define void @shift2a(<4 x i32> %val, <4 x i32>* %dst, <2 x i32> %amt) nounwind {
entry:
+; CHECK-LABEL: shift2a:
+; CHECK: pslld
%shamt = shufflevector <2 x i32> %amt, <2 x i32> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1>
%shl = shl <4 x i32> %val, %shamt
store <4 x i32> %shl, <4 x i32>* %dst
define void @shift2b(<4 x i32> %val, <4 x i32>* %dst, <2 x i32> %amt) nounwind {
entry:
+; CHECK-LABEL: shift2b:
+; CHECK: pslld
%shamt = shufflevector <2 x i32> %amt, <2 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 1, i32 1>
%shl = shl <4 x i32> %val, %shamt
store <4 x i32> %shl, <4 x i32>* %dst
define void @shift2c(<4 x i32> %val, <4 x i32>* %dst, <2 x i32> %amt) nounwind {
entry:
+; CHECK-LABEL: shift2c:
+; CHECK: pslld
%shamt = shufflevector <2 x i32> %amt, <2 x i32> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1>
%shl = shl <4 x i32> %val, %shamt
store <4 x i32> %shl, <4 x i32>* %dst
define void @shift3a(<8 x i16> %val, <8 x i16>* %dst, <8 x i16> %amt) nounwind {
entry:
+; CHECK-LABEL: shift3a:
+; CHECK: movzwl
+; CHECK: psllw
%shamt = shufflevector <8 x i16> %amt, <8 x i16> undef, <8 x i32> <i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6>
%shl = shl <8 x i16> %val, %shamt
store <8 x i16> %shl, <8 x i16>* %dst
define void @shift3b(<8 x i16> %val, <8 x i16>* %dst, i16 %amt) nounwind {
entry:
+; CHECK-LABEL: shift3b:
+; CHECK: movzwl
+; CHECK: psllw
%0 = insertelement <8 x i16> undef, i16 %amt, i32 0
%1 = insertelement <8 x i16> %0, i16 %amt, i32 1
- %2 = insertelement <8 x i16> %0, i16 %amt, i32 2
- %3 = insertelement <8 x i16> %0, i16 %amt, i32 3
- %4 = insertelement <8 x i16> %0, i16 %amt, i32 4
- %5 = insertelement <8 x i16> %0, i16 %amt, i32 5
- %6 = insertelement <8 x i16> %0, i16 %amt, i32 6
- %7 = insertelement <8 x i16> %0, i16 %amt, i32 7
+ %2 = insertelement <8 x i16> %1, i16 %amt, i32 2
+ %3 = insertelement <8 x i16> %2, i16 %amt, i32 3
+ %4 = insertelement <8 x i16> %3, i16 %amt, i32 4
+ %5 = insertelement <8 x i16> %4, i16 %amt, i32 5
+ %6 = insertelement <8 x i16> %5, i16 %amt, i32 6
+ %7 = insertelement <8 x i16> %6, i16 %amt, i32 7
%shl = shl <8 x i16> %val, %7
store <8 x i16> %shl, <8 x i16>* %dst
ret void