Testcase for r228988.

llvm-svn: 228995
2015-02-13 00:35:45 +00:00 · 2015-02-13 00:35:45 +00:00 · 8ec536e3dd
parent 10a9926ab5
commit 8ec536e3dd
1 changed files with 3 additions and 0 deletions
--- a/llvm/test/Transforms/LoopUnroll/full-unroll-heuristics.ll
+++ b/llvm/test/Transforms/LoopUnroll/full-unroll-heuristics.ll
@ -32,6 +32,9 @@

 ; Also, we should unroll if the 'unroll-threshold' is big enough:
 ; TEST4-NOT: %array_const_idx = getelementptr inbounds [9 x i32]* @known_constant, i64 0, i64 %iv
+
+; And check that we don't crash when we're not allowed to do any analysis.
+; RUN: opt < %s -loop-unroll -unroll-max-iteration-count-to-analyze=0 -disable-output
 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"

@known_constant = internal unnamed_addr constant [9 x i32] [i32 0, i32 -1, i32 0, i32 -1, i32 5, i32 -1, i32 0, i32 -1, i32 0], align 16