1; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s 2 3; When loading the shift amount from memory, avoid generating the splat. 4 5define void @shift5a(<4 x i32> %val, <4 x i32>* %dst, i32* %pamt) nounwind { 6entry: 7; CHECK-LABEL: shift5a: 8; CHECK: movd 9; CHECK: pslld 10 %amt = load i32* %pamt 11 %tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0 12 %shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer 13 %shl = shl <4 x i32> %val, %shamt 14 store <4 x i32> %shl, <4 x i32>* %dst 15 ret void 16} 17 18 19define void @shift5b(<4 x i32> %val, <4 x i32>* %dst, i32* %pamt) nounwind { 20entry: 21; CHECK-LABEL: shift5b: 22; CHECK: movd 23; CHECK: psrad 24 %amt = load i32* %pamt 25 %tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0 26 %shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer 27 %shr = ashr <4 x i32> %val, %shamt 28 store <4 x i32> %shr, <4 x i32>* %dst 29 ret void 30} 31 32 33define void @shift5c(<4 x i32> %val, <4 x i32>* %dst, i32 %amt) nounwind { 34entry: 35; CHECK-LABEL: shift5c: 36; CHECK: movd 37; CHECK: pslld 38 %tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0 39 %shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer 40 %shl = shl <4 x i32> %val, %shamt 41 store <4 x i32> %shl, <4 x i32>* %dst 42 ret void 43} 44 45 46define void @shift5d(<4 x i32> %val, <4 x i32>* %dst, i32 %amt) nounwind { 47entry: 48; CHECK-LABEL: shift5d: 49; CHECK: movd 50; CHECK: psrad 51 %tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0 52 %shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer 53 %shr = ashr <4 x i32> %val, %shamt 54 store <4 x i32> %shr, <4 x i32>* %dst 55 ret void 56} 57