| ; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=prescott | FileCheck %s --check-prefix=PRESCOTT | |
| ; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=nehalem | FileCheck %s --check-prefix=NEHALEM | |
| ;;; TODO: (1) Some of the loads and stores are certainly unaligned and (2) the first load and first | |
| ;;; store overlap with the second load and second store respectively. | |
| ;;; | |
| ;;; Is either of these sequences ideal? | |
| define float @foo(i8* nocapture %buf, float %a, float %b) nounwind uwtable { | |
| ; PRESCOTT-LABEL: foo: | |
| ; PRESCOTT: # %bb.0: # %entry | |
| ; PRESCOTT-NEXT: movq .Ltmp0+14(%rip), %rax | |
| ; PRESCOTT-NEXT: movq %rax, 14(%rdi) | |
| ; PRESCOTT-NEXT: movq .Ltmp0+8(%rip), %rax | |
| ; PRESCOTT-NEXT: movq %rax, 8(%rdi) | |
| ; PRESCOTT-NEXT: movq .Ltmp0(%rip), %rax | |
| ; PRESCOTT-NEXT: movq %rax, (%rdi) | |
| ; | |
| ; NEHALEM-LABEL: foo: | |
| ; NEHALEM: # %bb.0: # %entry | |
| ; NEHALEM-NEXT: movq .Ltmp0+14(%rip), %rax | |
| ; NEHALEM-NEXT: movq %rax, 14(%rdi) | |
| ; NEHALEM-NEXT: movups .Ltmp0(%rip), %xmm2 | |
| ; NEHALEM-NEXT: movups %xmm2, (%rdi) | |
| entry: | |
| tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %buf, i8* blockaddress(@foo, %out), i64 22, i1 false) | |
| br label %out | |
| out: ; preds = %entry | |
| %add = fadd float %a, %b | |
| ret float %add | |
| } | |
| declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) nounwind |