; 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(ptr %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>, ptr %P %S = fadd <4 x float> zeroinitializer, %T store <4 x float> %S, ptr %P ret void } define void @bar(ptr %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>, ptr %P %S = sub <4 x i32> zeroinitializer, %T store <4 x i32> %S, ptr %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(ptr %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, ptr %p, align 16 ret void }