llvm-project/polly/test/Isl/CodeGen/scop_expander_segfault.ll

32 lines
1.1 KiB
LLVM

; RUN: opt %loadPolly -polly-codegen -S %s | FileCheck %s
;
; This test was extracted from gcc in SPEC2006 and it crashed our code
; generation, or to be more precise, the ScopExpander due to a endless
; recursion. It was fixed in r261474 (git: 61cba205ca59).
;
; CHECK: polly.start:
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @lex_number(i8* %str) {
entry:
br label %for.end
for.end: ; preds = %entry
%0 = load i8, i8* %str, align 1
%cmp17 = icmp eq i8 %0, 48
br i1 %cmp17, label %land.lhs.true34, label %lor.lhs.false81
land.lhs.true34: ; preds = %for.end
%arrayidx35 = getelementptr inbounds i8, i8* %str, i64 1
%str.arrayidx35 = select i1 undef, i8* %str, i8* %arrayidx35
br label %lor.lhs.false81
lor.lhs.false81: ; preds = %land.lhs.true34, %for.end
%p.0 = phi i8* [ %str.arrayidx35, %land.lhs.true34 ], [ %str, %for.end ]
br label %do.body172
do.body172: ; preds = %lor.lhs.false81
unreachable
}