| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | |
| ; RUN: llc -mtriple=x86_64-unknown-linux-gnu -relocation-model=static < %s | FileCheck %s --check-prefix=CHECK | |
| ; RUN: llc -mcpu=atom -mtriple=x86_64-unknown-linux-gnu -relocation-model=static < %s | FileCheck %s --check-prefix=ATOM | |
| @A = external dso_local global [0 x double] | |
| define void @foo(i64 %n) nounwind { | |
| ; CHECK-LABEL: foo: | |
| ; CHECK: # %bb.0: # %entry | |
| ; CHECK-NEXT: testq %rdi, %rdi | |
| ; CHECK-NEXT: jle .LBB0_3 | |
| ; CHECK-NEXT: # %bb.1: # %for.body.preheader | |
| ; CHECK-NEXT: xorl %eax, %eax | |
| ; CHECK-NEXT: movsd {{.*#+}} xmm0 = [2.2999999999999998E+0,0.0E+0] | |
| ; CHECK-NEXT: .p2align 4 | |
| ; CHECK-NEXT: .LBB0_2: # %for.body | |
| ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 | |
| ; CHECK-NEXT: movsd {{.*#+}} xmm1 = mem[0],zero | |
| ; CHECK-NEXT: mulsd %xmm0, %xmm1 | |
| ; CHECK-NEXT: movsd %xmm1, A(,%rax,8) | |
| ; CHECK-NEXT: incq %rax | |
| ; CHECK-NEXT: cmpq %rax, %rdi | |
| ; CHECK-NEXT: jne .LBB0_2 | |
| ; CHECK-NEXT: .LBB0_3: # %for.end | |
| ; CHECK-NEXT: retq | |
| ; | |
| ; ATOM-LABEL: foo: | |
| ; ATOM: # %bb.0: # %entry | |
| ; ATOM-NEXT: testq %rdi, %rdi | |
| ; ATOM-NEXT: jle .LBB0_3 | |
| ; ATOM-NEXT: # %bb.1: # %for.body.preheader | |
| ; ATOM-NEXT: xorl %eax, %eax | |
| ; ATOM-NEXT: movsd {{.*#+}} xmm0 = [2.2999999999999998E+0,0.0E+0] | |
| ; ATOM-NEXT: .p2align 4 | |
| ; ATOM-NEXT: .LBB0_2: # %for.body | |
| ; ATOM-NEXT: # =>This Inner Loop Header: Depth=1 | |
| ; ATOM-NEXT: movsd {{.*#+}} xmm1 = mem[0],zero | |
| ; ATOM-NEXT: mulsd %xmm0, %xmm1 | |
| ; ATOM-NEXT: movsd %xmm1, A(,%rax,8) | |
| ; ATOM-NEXT: leaq 1(%rax), %rax | |
| ; ATOM-NEXT: cmpq %rax, %rdi | |
| ; ATOM-NEXT: jne .LBB0_2 | |
| ; ATOM-NEXT: .LBB0_3: # %for.end | |
| ; ATOM-NEXT: nop | |
| ; ATOM-NEXT: nop | |
| ; ATOM-NEXT: nop | |
| ; ATOM-NEXT: nop | |
| ; ATOM-NEXT: retq | |
| 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], ptr @A, i64 0, i64 %i.06 | |
| %tmp3 = load double, ptr %arrayidx, align 8 | |
| %mul = fmul double %tmp3, 2.300000e+00 | |
| store double %mul, ptr %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 | |
| } |