llvm-project/polly/test/CodeGen/scev-backedgetaken.ll

50 lines
2.1 KiB
LLVM

; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s
;
; llvm.org/PR48422
; Use of ScalarEvolution in Codegen not possible because DominatorTree is not updated.
;
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
define dso_local void @func(i1 %b, i1 %p3, [14 x i32]* %d) local_unnamed_addr {
entry:
%conv = zext i1 %b to i16
%add = select i1 %p3, i32 21, i32 20
br label %for.body.us.us
for.body.us.us:
%e.062.us.us = phi i16 [ %inc.us.us, %omp.inner.for.cond.simd.if.end.loopexit_crit_edge.us.us ], [ %conv, %entry ]
%idxprom.us.us = sext i16 %e.062.us.us to i64
br i1 %b, label %omp.inner.for.body.us.us.us.preheader, label %omp.inner.for.body.us63.us.preheader
omp.inner.for.body.us63.us.preheader:
%arrayidx25.us.le71.us = getelementptr inbounds [14 x i32], [14 x i32]* %d, i64 %idxprom.us.us, i64 0
%0 = load i32, i32* %arrayidx25.us.le71.us, align 4
br label %omp.inner.for.cond.simd.if.end.loopexit_crit_edge.us.us
omp.inner.for.body.us.us.us.preheader:
%arrayidx25.us.le.us.us = getelementptr inbounds [14 x i32], [14 x i32]* %d, i64 %idxprom.us.us, i64 0
%1 = load i32, i32* %arrayidx25.us.le.us.us, align 4
%conv27.us.le.us.us = select i1 undef, i16 0, i16 undef
br label %omp.inner.for.cond.simd.if.end.loopexit_crit_edge.us.us
omp.inner.for.cond.simd.if.end.loopexit_crit_edge.us.us:
%conv27.lcssa.us.us = phi i16 [ undef, %omp.inner.for.body.us63.us.preheader ], [ %conv27.us.le.us.us, %omp.inner.for.body.us.us.us.preheader ]
%inc.us.us = add i16 %e.062.us.us, 1
%conv2.us.us = sext i16 %inc.us.us to i32
%cmp.us.us = icmp sgt i32 %add, %conv2.us.us
br i1 %cmp.us.us, label %for.body.us.us, label %for.cond.cleanup.loopexit
for.cond.cleanup.loopexit:
ret void
}
; CHECK-LABEL: @func(
; CHECK: polly.stmt.omp.inner.for.body.us.us.us.preheader:
; CHECK: load i32, i32* %scevgep, align 4, !alias.scope !0, !noalias !3
; CHECK: !0 = !{!1}
; CHECK: !1 = distinct !{!1, !2, !"polly.alias.scope.MemRef_d"}
; CHECK: !2 = distinct !{!2, !"polly.alias.scope.domain"}
; CHECK: !3 = !{}