2012-07-19 20:53:21 +02:00
|
|
|
; RUN: llc < %s -mcpu=generic -march=x86 -mattr=+sse | FileCheck %s
|
2011-06-07 01:15:58 +02:00
|
|
|
|
|
|
|
|
define float @chainfail1(i64* nocapture %a, i64* nocapture %b, i32 %x, i32 %y, float* nocapture %f) nounwind uwtable noinline ssp {
|
|
|
|
|
entry:
|
|
|
|
|
%tmp1 = load i64* %a, align 8
|
|
|
|
|
; Insure x87 ops are properly chained, order preserved.
|
|
|
|
|
; CHECK: fildll
|
|
|
|
|
%conv = sitofp i64 %tmp1 to float
|
|
|
|
|
; CHECK: fstps
|
|
|
|
|
store float %conv, float* %f, align 4
|
|
|
|
|
; CHECK: idivl
|
|
|
|
|
%div = sdiv i32 %x, %y
|
|
|
|
|
%conv5 = sext i32 %div to i64
|
|
|
|
|
store i64 %conv5, i64* %b, align 8
|
|
|
|
|
ret float %conv
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
define float @chainfail2(i64* nocapture %a, i64* nocapture %b, i32 %x, i32 %y, float* nocapture %f) nounwind uwtable noinline ssp {
|
|
|
|
|
entry:
|
|
|
|
|
; CHECK: movl $0,
|
|
|
|
|
store i64 0, i64* %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* %a, i64 %idxprom
|
|
|
|
|
%tmp4 = load i64* %arrayidx, align 8
|
|
|
|
|
; CHECK: fildll
|
|
|
|
|
%conv = sitofp i64 %tmp4 to float
|
|
|
|
|
store float %conv, float* %f, align 4
|
|
|
|
|
ret float %conv
|
|
|
|
|
}
|
2013-10-07 21:11:35 +02:00
|
|
|
|
|
|
|
|
define void @PR17495() {
|
|
|
|
|
entry:
|
|
|
|
|
br i1 undef, label %while.end, label %while.body
|
|
|
|
|
|
|
|
|
|
while.body: ; preds = %while.body, %entry
|
|
|
|
|
%x.1.copyload = load i24* undef, align 1
|
|
|
|
|
%conv = sitofp i24 %x.1.copyload to float
|
|
|
|
|
%div = fmul float %conv, 0x3E80000000000000
|
|
|
|
|
store float %div, float* 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
|
|
|
|
|
}
|
