| ; RUN: llc -march=x86-64 -mcpu=generic -mtriple=x86_64-unknown-linux-gnu -relocation-model=static -asm-verbose=false < %s | FileCheck %s |
| ; RUN: llc -march=x86-64 -mcpu=atom -mtriple=x86_64-unknown-linux-gnu -relocation-model=static -asm-verbose=false < %s | FileCheck -check-prefix=ATOM %s |
| |
| ; CHECK: xorl %eax, %eax |
| ; CHECK: movsd .LCPI0_0(%rip), %xmm0 |
| ; CHECK: align |
| ; CHECK-NEXT: BB0_2: |
| ; CHECK-NEXT: movsd A(,%rax,8) |
| ; CHECK-NEXT: mulsd |
| ; CHECK-NEXT: movsd |
| ; CHECK-NEXT: incq %rax |
| |
| ; ATOM: movsd .LCPI0_0(%rip), %xmm0 |
| ; ATOM: xorl %eax, %eax |
| ; ATOM: align |
| ; ATOM-NEXT: BB0_2: |
| ; ATOM-NEXT: movsd A(,%rax,8) |
| ; ATOM-NEXT: mulsd |
| ; ATOM-NEXT: movsd |
| ; ATOM-NEXT: incq %rax |
| |
| @A = external global [0 x double] |
| |
| define void @foo(i64 %n) nounwind { |
| entry: |
| %cmp5 = icmp sgt i64 %n, 0 |
| br i1 %cmp5, label %for.body, label %for.end |
| |
| for.body: |
| %i.06 = phi i64 [ %inc, %for.body ], [ 0, %entry ] |
| %arrayidx = getelementptr [0 x double]* @A, i64 0, i64 %i.06 |
| %tmp3 = load double* %arrayidx, align 8 |
| %mul = fmul double %tmp3, 2.300000e+00 |
| store double %mul, double* %arrayidx, align 8 |
| %inc = add nsw i64 %i.06, 1 |
| %exitcond = icmp eq i64 %inc, %n |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: |
| ret void |
| } |