; 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, ptr 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 = [3.0E+0,0.0E+0] ; 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, ptr %d, i64 %i.03 %1 = load double, ptr %0, align 8 %2 = fmul double %1, 3.000000e+00 store double %2, ptr %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 }