| ; Test that this test case does not abort after the folding of load -> add -> |
| ; store into an alsi. This folding is suppose to not happen as it would |
| ; introduce a loop in the DAG. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 -disable-basic-aa -consthoist-gep | FileCheck %s |
| |
| @g_295 = external dso_local unnamed_addr global i32, align 4 |
| @g_672 = external dso_local unnamed_addr global i64, align 8 |
| @g_1484 = external dso_local global <{ i8, i64, { i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i32, i8, i8, [2 x i8], i8, i8, i8, i8, i8, i8, i8, i8, i32, i8, i8, i8 }, i32 }>, align 2 |
| |
| define void @fun() { |
| ; CHECK-LABEL: fun: |
| |
| bb: |
| br label %bb1 |
| |
| bb1: ; preds = %bb1, %bb |
| store i32 2, ptr getelementptr inbounds (<{ i8, i64, { i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i32, i8, i8, [2 x i8], i8, i8, i8, i8, i8, i8, i8, i8, i32, i8, i8, i8 }, i32 }>, ptr @g_1484, i64 0, i32 2, i32 16) |
| %tmp = icmp slt i32 undef, 3 |
| br i1 %tmp, label %bb1, label %bb2 |
| |
| bb2: ; preds = %bb1 |
| %tmp3 = load i32, ptr getelementptr inbounds (<{ i8, i64, { i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i32, i8, i8, [2 x i8], i8, i8, i8, i8, i8, i8, i8, i8, i32, i8, i8, i8 }, i32 }>, ptr @g_1484, i64 0, i32 2, i32 28) |
| %tmp4 = load i64, ptr @g_672 |
| %tmp5 = add i64 %tmp4, 1 |
| store i64 %tmp5, ptr @g_672 |
| %tmp6 = icmp eq i64 %tmp5, 0 |
| %tmp7 = zext i1 %tmp6 to i32 |
| %tmp8 = icmp ult i32 %tmp3, %tmp7 |
| %tmp9 = zext i1 %tmp8 to i32 |
| store i32 %tmp9, ptr @g_295 |
| ret void |
| } |
| |
