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; RUN: llc < %s -mcpu=generic -mtriple=i686-- -mattr=+sse | FileCheck %s
define float @chainfail1(ptr nocapture %a, ptr nocapture %b, i32 %x, i32 %y, ptr nocapture %f) nounwind uwtable noinline ssp {
entry:
%tmp1 = load i64, ptr %a, align 8
; Insure x87 ops are properly chained, order preserved.
; CHECK: fildll
%conv = sitofp i64 %tmp1 to float
; CHECK: fstps
store float %conv, ptr %f, align 4
; CHECK: idivl
%div = sdiv i32 %x, %y
%conv5 = sext i32 %div to i64
store i64 %conv5, ptr %b, align 8
ret float %conv
}
define float @chainfail2(ptr nocapture %a, ptr nocapture %b, i32 %x, i32 %y, ptr nocapture %f) nounwind uwtable noinline ssp {
entry:
; CHECK: movl $0,
store i64 0, ptr %b, align 8
%mul = mul nsw i32 %y, %x
%sub = add nsw i32 %mul, -1
%idxprom = sext i32 %sub to i64
%arrayidx = getelementptr inbounds i64, ptr %a, i64 %idxprom
%tmp4 = load i64, ptr %arrayidx, align 8
; CHECK: fildll
%conv = sitofp i64 %tmp4 to float
store float %conv, ptr %f, align 4
ret float %conv
}
define void @PR17495() {
entry:
br i1 undef, label %while.end, label %while.body
while.body: ; preds = %while.body, %entry
%x.1.copyload = load i24, ptr undef, align 1
%conv = sitofp i24 %x.1.copyload to float
%div = fmul float %conv, 0x3E80000000000000
store float %div, ptr undef, align 4
br i1 false, label %while.end, label %while.body
while.end: ; preds = %while.body, %entry
ret void
; CHECK-LABEL: @PR17495
; CHECK-NOT: fildll
}
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