llvm-project/llvm/test/CodeGen/PowerPC/ctrloop-udivti3.ll

33 lines
975 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
%jj = sext i64 %i.018 to i128
%add.i = or i128 %jj, undef
%div.i = udiv i128 %add.i, %jj
%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 }