1; RUN: llc -march=x86-64 -mcpu=generic -mtriple=x86_64-unknown-linux-gnu -relocation-model=static -asm-verbose=false < %s | FileCheck %s 2; 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 3 4; CHECK: xorl %eax, %eax 5; CHECK: movsd .LCPI0_0(%rip), %xmm0 6; CHECK: align 7; CHECK-NEXT: BB0_2: 8; CHECK-NEXT: movsd A(,%rax,8) 9; CHECK-NEXT: mulsd 10; CHECK-NEXT: movsd 11; CHECK-NEXT: incq %rax 12 13 14; ATOM: movsd .LCPI0_0(%rip), %xmm0 15; ATOM: xorl %eax, %eax 16; ATOM: align 17; ATOM-NEXT: BB0_2: 18; ATOM-NEXT: movsd A(,%rax,8) 19; ATOM-NEXT: mulsd 20; ATOM-NEXT: movsd 21; ATOM-NEXT: incq %rax 22 23@A = external global [0 x double] 24 25define void @foo(i64 %n) nounwind { 26entry: 27 %cmp5 = icmp sgt i64 %n, 0 28 br i1 %cmp5, label %for.body, label %for.end 29 30for.body: 31 %i.06 = phi i64 [ %inc, %for.body ], [ 0, %entry ] 32 %arrayidx = getelementptr [0 x double], [0 x double]* @A, i64 0, i64 %i.06 33 %tmp3 = load double, double* %arrayidx, align 8 34 %mul = fmul double %tmp3, 2.300000e+00 35 store double %mul, double* %arrayidx, align 8 36 %inc = add nsw i64 %i.06, 1 37 %exitcond = icmp eq i64 %inc, %n 38 br i1 %exitcond, label %for.end, label %for.body 39 40for.end: 41 ret void 42} 43