1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=i686-apple-darwin -mattr=+sse2 | FileCheck %s
3; PR1501
4
5define float @foo(i32* %x, float* %y, i32 %c) nounwind  {
6; CHECK-LABEL: foo:
7; CHECK:       ## %bb.0: ## %entry
8; CHECK-NEXT:    pushl %esi
9; CHECK-NEXT:    pushl %eax
10; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %eax
11; CHECK-NEXT:    testl %eax, %eax
12; CHECK-NEXT:    je LBB0_1
13; CHECK-NEXT:  ## %bb.2: ## %bb.preheader
14; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %ecx
15; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %edx
16; CHECK-NEXT:    xorps %xmm0, %xmm0
17; CHECK-NEXT:    xorl %esi, %esi
18; CHECK-NEXT:    .p2align 4, 0x90
19; CHECK-NEXT:  LBB0_3: ## %bb
20; CHECK-NEXT:    ## =>This Inner Loop Header: Depth=1
21; CHECK-NEXT:    xorps %xmm1, %xmm1
22; CHECK-NEXT:    cvtsi2ssl (%edx,%esi,4), %xmm1
23; CHECK-NEXT:    mulss (%ecx,%esi,4), %xmm1
24; CHECK-NEXT:    addss %xmm1, %xmm0
25; CHECK-NEXT:    incl %esi
26; CHECK-NEXT:    cmpl %eax, %esi
27; CHECK-NEXT:    jb LBB0_3
28; CHECK-NEXT:    jmp LBB0_4
29; CHECK-NEXT:  LBB0_1:
30; CHECK-NEXT:    xorps %xmm0, %xmm0
31; CHECK-NEXT:  LBB0_4: ## %bb23
32; CHECK-NEXT:    movss %xmm0, (%esp)
33; CHECK-NEXT:    flds (%esp)
34; CHECK-NEXT:    addl $4, %esp
35; CHECK-NEXT:    popl %esi
36; CHECK-NEXT:    retl
37entry:
38	%tmp2132 = icmp eq i32 %c, 0		; <i1> [#uses=2]
39	br i1 %tmp2132, label %bb23, label %bb.preheader
40
41bb.preheader:		; preds = %entry
42	%umax = select i1 %tmp2132, i32 1, i32 %c		; <i32> [#uses=1]
43	br label %bb
44
45bb:		; preds = %bb, %bb.preheader
46	%i.0.reg2mem.0 = phi i32 [ 0, %bb.preheader ], [ %indvar.next, %bb ]		; <i32> [#uses=3]
47	%res.0.reg2mem.0 = phi float [ 0.000000e+00, %bb.preheader ], [ %tmp14, %bb ]		; <float> [#uses=1]
48	%tmp3 = getelementptr i32, i32* %x, i32 %i.0.reg2mem.0		; <i32*> [#uses=1]
49	%tmp4 = load i32, i32* %tmp3, align 4		; <i32> [#uses=1]
50	%tmp45 = sitofp i32 %tmp4 to float		; <float> [#uses=1]
51	%tmp8 = getelementptr float, float* %y, i32 %i.0.reg2mem.0		; <float*> [#uses=1]
52	%tmp9 = load float, float* %tmp8, align 4		; <float> [#uses=1]
53	%tmp11 = fmul float %tmp9, %tmp45		; <float> [#uses=1]
54	%tmp14 = fadd float %tmp11, %res.0.reg2mem.0		; <float> [#uses=2]
55	%indvar.next = add i32 %i.0.reg2mem.0, 1		; <i32> [#uses=2]
56	%exitcond = icmp eq i32 %indvar.next, %umax		; <i1> [#uses=1]
57	br i1 %exitcond, label %bb23, label %bb
58
59bb23:		; preds = %bb, %entry
60	%res.0.reg2mem.1 = phi float [ 0.000000e+00, %entry ], [ %tmp14, %bb ]		; <float> [#uses=1]
61	ret float %res.0.reg2mem.1
62}
63