; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-w64-windows-gnu | FileCheck %s
@a = global i32 0, align 4
@b = global float 0.000000e+00, align 4
@d = global float 0.000000e+00, align 4
@f = global i32 0, align 4
@g = global float 0.000000e+00, align 4
@e = global i32 0, align 4
@c = global ptr null, align 4
; The FP stack should be preserved across the call to __alloca.
define void @h(float %i) {
; CHECK-LABEL: h:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushl %ebp
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: .cfi_offset %ebp, -8
; CHECK-NEXT: movl %esp, %ebp
; CHECK-NEXT: .cfi_def_cfa_register %ebp
; CHECK-NEXT: pushl %esi
; CHECK-NEXT: andl $-16, %esp
; CHECK-NEXT: subl $32, %esp
; CHECK-NEXT: movl %esp, %esi
; CHECK-NEXT: .cfi_offset %esi, -12
; CHECK-NEXT: flds 8(%ebp)
; CHECK-NEXT: movl _a, %ecx
; CHECK-NEXT: leal 3(%ecx), %eax
; CHECK-NEXT: andl $-4, %eax
; CHECK-NEXT: calll __alloca
; CHECK-NEXT: movl %esp, %eax
; CHECK-NEXT: andl $-16, %eax
; CHECK-NEXT: movl %eax, %esp
; CHECK-NEXT: fsts 8(%esi) # 4-byte Folded Spill
; CHECK-NEXT: fadds _b
; CHECK-NEXT: fsts _d
; CHECK-NEXT: fld1
; CHECK-NEXT: fldz
; CHECK-NEXT: testl %ecx, %ecx
; CHECK-NEXT: fld %st(0)
; CHECK-NEXT: fld %st(2)
; CHECK-NEXT: je LBB0_2
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: fstp %st(1)
; CHECK-NEXT: fstp %st(0)
; CHECK-NEXT: movl _f, %ecx
; CHECK-NEXT: flds (%eax,%ecx,4)
; CHECK-NEXT: fld %st(3)
; CHECK-NEXT: LBB0_2: # %for.cond1.preheader
; CHECK-NEXT: movl _e, %ecx
; CHECK-NEXT: movl %ecx, 12(%esi)
; CHECK-NEXT: fildl 12(%esi)
; CHECK-NEXT: movl _c, %edx
; CHECK-NEXT: jmp LBB0_3
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: LBB0_5: # %for.inc
; CHECK-NEXT: # in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: fxch %st(5)
; CHECK-NEXT: fadd %st(4), %st
; CHECK-NEXT: fxch %st(5)
; CHECK-NEXT: LBB0_3: # %for.cond1
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: fld %st(5)
; CHECK-NEXT: fmul %st(4), %st
; CHECK-NEXT: fdiv %st(2), %st
; CHECK-NEXT: fadd %st(3), %st
; CHECK-NEXT: fsts _g
; CHECK-NEXT: fxch %st(1)
; CHECK-NEXT: fucom %st(1)
; CHECK-NEXT: fstp %st(1)
; CHECK-NEXT: fnstsw %ax
; CHECK-NEXT: # kill: def $ah killed $ah killed $ax
; CHECK-NEXT: sahf
; CHECK-NEXT: jbe LBB0_5
; CHECK-NEXT: # %bb.4: # %if.then
; CHECK-NEXT: # in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: flds 8(%esi) # 4-byte Folded Reload
; CHECK-NEXT: fstps (%edx,%ecx,4)
; CHECK-NEXT: jmp LBB0_5
entry:
%0 = load i32, ptr @a, align 4
%1 = alloca i8, i32 %0, align 16
%2 = load float, ptr @b, align 4
%add = fadd float %2, %i
store float %add, ptr @d, align 4
%tobool.not = icmp eq i32 %0, 0
br i1 %tobool.not, label %for.cond1.preheader, label %for.body.preheader
for.body.preheader: ; preds = %entry
%3 = load i32, ptr @f, align 4
%arrayidx.le = getelementptr inbounds float, ptr %1, i32 %3
%4 = load float, ptr %arrayidx.le, align 4
br label %for.cond1.preheader
for.cond1.preheader: ; preds = %for.body.preheader, %entry
%k.0.lcssa = phi float [ %4, %for.body.preheader ], [ undef, %entry ]
%l.0.lcssa = phi float [ %add, %for.body.preheader ], [ 1.000000e+00, %entry ]
%5 = load i32, ptr @e, align 4
%conv = sitofp i32 %5 to float
%6 = load ptr, ptr @c, align 4
%arrayidx4 = getelementptr inbounds float, ptr %6, i32 %5
br label %for.cond1
for.cond1: ; preds = %for.inc, %for.cond1.preheader
%m.0 = phi float [ %add5, %for.inc ], [ %add, %for.cond1.preheader ]
%mul = fmul float %m.0, 0.000000e+00
%div = fdiv float %mul, %l.0.lcssa
%add2 = fadd float %k.0.lcssa, %div
store float %add2, ptr @g, align 4
%cmp = fcmp olt float %add2, %conv
br i1 %cmp, label %if.then, label %for.inc
if.then: ; preds = %for.cond1
store float %i, ptr %arrayidx4, align 4
br label %for.inc
for.inc: ; preds = %if.then, %for.cond1
%add5 = fadd float %m.0, 1.000000e+00
br label %for.cond1
}
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