| ; RUN: llc -mtriple=s390x-linux-gnu -mcpu=zEC12 < %s | FileCheck %s |
| ; |
| ; Check that DAGCombiner doesn't cause a crash by eventually producing a |
| ; PCREL_OFFSET node with a freeze operand. |
| |
| @a = dso_local global [6 x [6 x [3 x i8]]] zeroinitializer, align 2 |
| @b = dso_local local_unnamed_addr global i32 0, align 4 |
| |
| define void @fun(i8 noundef zeroext %g) { |
| ; CHECK-LABEL: fun |
| entry: |
| %agg.tmp.ensured.sroa.0 = alloca i8, align 2 |
| %conv = zext i8 %g to i64 |
| %0 = inttoptr i64 %conv to ptr |
| %.fr = freeze ptr getelementptr inbounds ([6 x [6 x [3 x i8]]], ptr @a, i64 0, i64 1, i64 2, i64 1) |
| %cmp = icmp eq ptr %.fr, %0 |
| %1 = load i8, ptr getelementptr inbounds ([6 x [6 x [3 x i8]]], ptr @a, i64 0, i64 5, i64 4, i64 2), align 2 |
| %conv2 = zext i8 %1 to i32 |
| br i1 %cmp, label %for.cond.us, label %for.cond |
| |
| for.cond.us: ; preds = %entry, %for.cond.us |
| store i32 %conv2, ptr @b, align 4 |
| ret void |
| |
| for.cond: ; preds = %entry, %for.cond |
| store i32 0, ptr @b, align 4 |
| ret void |
| } |
