2010-12-19 20:12:58 +00:00
|
|
|
; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s
|
2009-09-03 19:57:35 +00:00
|
|
|
|
|
|
|
; When loading the shift amount from memory, avoid generating the splat.
|
|
|
|
|
|
|
|
define void @shift5a(<4 x i32> %val, <4 x i32>* %dst, i32* %pamt) nounwind {
|
|
|
|
entry:
|
|
|
|
; CHECK: shift5a:
|
|
|
|
; CHECK: movd
|
2012-07-18 20:49:17 +00:00
|
|
|
; CHECK: pslld
|
2009-09-03 19:57:35 +00:00
|
|
|
%amt = load i32* %pamt
|
|
|
|
%tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0
|
|
|
|
%shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer
|
|
|
|
%shl = shl <4 x i32> %val, %shamt
|
|
|
|
store <4 x i32> %shl, <4 x i32>* %dst
|
|
|
|
ret void
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
define void @shift5b(<4 x i32> %val, <4 x i32>* %dst, i32* %pamt) nounwind {
|
|
|
|
entry:
|
|
|
|
; CHECK: shift5b:
|
|
|
|
; CHECK: movd
|
2012-07-18 20:49:17 +00:00
|
|
|
; CHECK: psrad
|
2009-09-03 19:57:35 +00:00
|
|
|
%amt = load i32* %pamt
|
|
|
|
%tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0
|
|
|
|
%shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer
|
|
|
|
%shr = ashr <4 x i32> %val, %shamt
|
|
|
|
store <4 x i32> %shr, <4 x i32>* %dst
|
|
|
|
ret void
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
define void @shift5c(<4 x i32> %val, <4 x i32>* %dst, i32 %amt) nounwind {
|
|
|
|
entry:
|
|
|
|
; CHECK: shift5c:
|
|
|
|
; CHECK: movd
|
2012-07-18 20:49:17 +00:00
|
|
|
; CHECK: pslld
|
2009-09-03 19:57:35 +00:00
|
|
|
%tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0
|
|
|
|
%shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer
|
|
|
|
%shl = shl <4 x i32> %val, %shamt
|
|
|
|
store <4 x i32> %shl, <4 x i32>* %dst
|
|
|
|
ret void
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
define void @shift5d(<4 x i32> %val, <4 x i32>* %dst, i32 %amt) nounwind {
|
|
|
|
entry:
|
|
|
|
; CHECK: shift5d:
|
|
|
|
; CHECK: movd
|
2012-07-18 20:49:17 +00:00
|
|
|
; CHECK: psrad
|
2009-09-03 19:57:35 +00:00
|
|
|
%tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0
|
|
|
|
%shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer
|
|
|
|
%shr = ashr <4 x i32> %val, %shamt
|
|
|
|
store <4 x i32> %shr, <4 x i32>* %dst
|
|
|
|
ret void
|
|
|
|
}
|