| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-- -mattr=+sse2 | FileCheck %s --check-prefix=X86 |
| ; RUN: llc < %s -mtriple=x86_64-- -mattr=+sse2 | FileCheck %s --check-prefix=X64 |
| |
| define void @foo(<4 x float>* %P) { |
| ; X86-LABEL: foo: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: xorps %xmm0, %xmm0 |
| ; X86-NEXT: addps (%eax), %xmm0 |
| ; X86-NEXT: movaps %xmm0, (%eax) |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: foo: |
| ; X64: # %bb.0: |
| ; X64-NEXT: xorps %xmm0, %xmm0 |
| ; X64-NEXT: addps (%rdi), %xmm0 |
| ; X64-NEXT: movaps %xmm0, (%rdi) |
| ; X64-NEXT: retq |
| %T = load <4 x float>, <4 x float>* %P |
| %S = fadd <4 x float> zeroinitializer, %T |
| store <4 x float> %S, <4 x float>* %P |
| ret void |
| } |
| |
| define void @bar(<4 x i32>* %P) { |
| ; X86-LABEL: bar: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: pxor %xmm0, %xmm0 |
| ; X86-NEXT: psubd (%eax), %xmm0 |
| ; X86-NEXT: movdqa %xmm0, (%eax) |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: bar: |
| ; X64: # %bb.0: |
| ; X64-NEXT: pxor %xmm0, %xmm0 |
| ; X64-NEXT: psubd (%rdi), %xmm0 |
| ; X64-NEXT: movdqa %xmm0, (%rdi) |
| ; X64-NEXT: retq |
| %T = load <4 x i32>, <4 x i32>* %P |
| %S = sub <4 x i32> zeroinitializer, %T |
| store <4 x i32> %S, <4 x i32>* %P |
| ret void |
| } |
| |
| ; Without any type hints from operations, we fall back to the smaller xorps. |
| ; The IR type <4 x i32> is ignored. |
| define void @untyped_zero(<4 x i32>* %p) { |
| ; X86-LABEL: untyped_zero: |
| ; X86: # %bb.0: # %entry |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: xorps %xmm0, %xmm0 |
| ; X86-NEXT: movaps %xmm0, (%eax) |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: untyped_zero: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: xorps %xmm0, %xmm0 |
| ; X64-NEXT: movaps %xmm0, (%rdi) |
| ; X64-NEXT: retq |
| entry: |
| store <4 x i32> zeroinitializer, <4 x i32>* %p, align 16 |
| ret void |
| } |