| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s |
| |
| define void @loop(i64 %n, double* nocapture %d) nounwind { |
| ; CHECK-LABEL: loop: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: movq %rdi, %rax |
| ; CHECK-NEXT: shlq $4, %rax |
| ; CHECK-NEXT: addq %rsi, %rax |
| ; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero |
| ; CHECK-NEXT: .p2align 4, 0x90 |
| ; CHECK-NEXT: .LBB0_1: # %bb |
| ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 |
| ; CHECK-NEXT: movsd {{.*#+}} xmm1 = mem[0],zero |
| ; CHECK-NEXT: mulsd %xmm0, %xmm1 |
| ; CHECK-NEXT: movsd %xmm1, (%rax) |
| ; CHECK-NEXT: addq $8, %rax |
| ; CHECK-NEXT: incq %rdi |
| ; CHECK-NEXT: jne .LBB0_1 |
| ; CHECK-NEXT: # %bb.2: # %return |
| ; CHECK-NEXT: retq |
| entry: |
| br label %bb |
| |
| bb: |
| %indvar = phi i64 [ %n, %entry ], [ %indvar.next, %bb ] |
| %i.03 = add i64 %indvar, %n |
| %0 = getelementptr double, double* %d, i64 %i.03 |
| %1 = load double, double* %0, align 8 |
| %2 = fmul double %1, 3.000000e+00 |
| store double %2, double* %0, align 8 |
| %indvar.next = add i64 %indvar, 1 |
| %exitcond = icmp eq i64 %indvar.next, 0 |
| br i1 %exitcond, label %return, label %bb |
| |
| return: |
| ret void |
| } |