| ; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s |
| |
| ; 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 |
| ; CHECK: pslld |
| %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 |
| ; CHECK: psrad |
| %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 |
| ; CHECK: pslld |
| %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 |
| ; CHECK: psrad |
| %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 |
| } |