| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown -mcpu=corei7 -mattr=+sse4.1 | FileCheck %s |
| |
| ; rdar://12721174 |
| ; We should not fold movss into pshufd since pshufd expects m128 while movss |
| ; loads from m32. |
| define void @sample_test(ptr %source, ptr %dest) nounwind { |
| ; CHECK-LABEL: sample_test: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: subq $24, %rsp |
| ; CHECK-NEXT: movq %rdi, {{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: movq %rsi, {{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: xorps %xmm0, %xmm0 |
| ; CHECK-NEXT: movlps %xmm0, (%rsp) |
| ; CHECK-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],mem[0],xmm0[1],mem[1] |
| ; CHECK-NEXT: movlps %xmm0, (%rsp) |
| ; CHECK-NEXT: movlps %xmm0, (%rsi) |
| ; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax |
| ; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero |
| ; CHECK-NEXT: movshdup {{.*#+}} xmm1 = xmm0[1,1,3,3] |
| ; CHECK-NEXT: callq ext@PLT |
| ; CHECK-NEXT: addq $24, %rsp |
| ; CHECK-NEXT: retq |
| entry: |
| %source.addr = alloca ptr, align 8 |
| %dest.addr = alloca ptr, align 8 |
| %tmp = alloca <2 x float>, align 8 |
| store ptr %source, ptr %source.addr, align 8 |
| store ptr %dest, ptr %dest.addr, align 8 |
| store <2 x float> zeroinitializer, ptr %tmp, align 8 |
| %0 = load ptr, ptr %source.addr, align 8 |
| %1 = load <4 x float>, ptr %0, align 16 |
| %2 = extractelement <4 x float> %1, i32 0 |
| %3 = load <2 x float>, ptr %tmp, align 8 |
| %4 = insertelement <2 x float> %3, float %2, i32 1 |
| store <2 x float> %4, ptr %tmp, align 8 |
| %5 = load <2 x float>, ptr %tmp, align 8 |
| %6 = load ptr, ptr %dest.addr, align 8 |
| store <2 x float> %5, ptr %6, align 8 |
| %7 = load ptr, ptr %dest.addr, align 8 |
| %8 = load <2 x float>, ptr %7, align 8 |
| %vecext = extractelement <2 x float> %8, i32 0 |
| %9 = load ptr, ptr %dest.addr, align 8 |
| %10 = load <2 x float>, ptr %9, align 8 |
| %vecext4 = extractelement <2 x float> %10, i32 1 |
| call void @ext(float %vecext, float %vecext4) |
| ret void |
| } |
| declare void @ext(float, float) |