mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-21 02:29:22 +00:00
15ac7dfb90
We need to abort the formation of counter-register-based loops where there are 128-bit integer operations that might become function calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202192 91177308-0d34-0410-b5e6-96231b3b80d8
32 lines
943 B
LLVM
32 lines
943 B
LLVM
; RUN: llc < %s -march=ppc64 | FileCheck %s
|
|
target datalayout = "E-m:e-i64:64-n32:64"
|
|
target triple = "powerpc64-unknown-linux-gnu"
|
|
|
|
; Function Attrs: nounwind
|
|
define hidden void @_mpd_shortdiv(i64 %n) #0 {
|
|
entry:
|
|
br i1 undef, label %for.end, label %for.body.lr.ph
|
|
|
|
for.body.lr.ph: ; preds = %entry
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %for.body, %for.body.lr.ph
|
|
%i.018.in = phi i64 [ %n, %for.body.lr.ph ], [ %i.018, %for.body ]
|
|
%i.018 = add i64 %i.018.in, -1
|
|
%add.i = or i128 undef, undef
|
|
%div.i = udiv i128 %add.i, 0
|
|
%conv3.i11 = trunc i128 %div.i to i64
|
|
store i64 %conv3.i11, i64* undef, align 8
|
|
%cmp = icmp eq i64 %i.018, 0
|
|
br i1 %cmp, label %for.end, label %for.body
|
|
|
|
for.end: ; preds = %for.body, %entry
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: @_mpd_shortdiv
|
|
; CHECK-NOT: mtctr
|
|
|
|
attributes #0 = { nounwind }
|
|
|