mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-04 22:29:22 +00:00
f99a4b82a4
load. rdar://problem/6373334 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132696 91177308-0d34-0410-b5e6-96231b3b80d8
32 lines
998 B
LLVM
32 lines
998 B
LLVM
; RUN: llc < %s -march=x86 | FileCheck %s
|
|
|
|
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
|
|
}
|