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; 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 = mem[0],zero
; CHECK-NEXT: .p2align 4, 0x90
; 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 = mem[0],zero
; ATOM-NEXT: .p2align 4, 0x90
; 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
}
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