diff options
Diffstat (limited to 'llvm/test/Transforms/IndVarSimplify')
| -rw-r--r-- | llvm/test/Transforms/IndVarSimplify/pr25360.ll | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/llvm/test/Transforms/IndVarSimplify/pr25360.ll b/llvm/test/Transforms/IndVarSimplify/pr25360.ll new file mode 100644 index 00000000000..9f6df7051ea --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/pr25360.ll @@ -0,0 +1,33 @@ +; RUN: opt -indvars -S < %s | FileCheck %s + + +; Ensure that does not crash + +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +define void @f() { +; CHECK-LABEL: @f( +entry: + br label %for.end + +for.condt: ; preds = %for.end + br i1 true, label %for.cond.0, label %for.end + +for.end: ; preds = %for.body.3 + %inc = select i1 undef, i32 2, i32 1 + br i1 false, label %for.condt, label %for.cond.0 + +for.cond.0: ; preds = %for.end, %for.condt + %init = phi i32 [ 0, %for.condt ], [ %inc, %for.end ] + br i1 true, label %for.end.13, label %for.body.9 + +for.body.9: ; preds = %for.body.9, %for.cond.0 + %p1.addr.22 = phi i32 [ %inc10, %for.body.9 ], [ %init, %for.cond.0 ] + %inc10 = add i32 %p1.addr.22, 1 + br i1 true, label %for.end.13, label %for.body.9 + +for.end.13: ; preds = %for.cond.7.for.end.13_crit_edge, %for.cond.0 + %p1.addr.2.lcssa = phi i32 [ %inc10, %for.body.9 ], [ %init, %for.cond.0 ] + ret void +} |

