| ; RUN: opt -passes=loop-load-elim -S %s | FileCheck %s | |
| ; REQUIRES: asserts | |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128-ni:1-p2:32:8:8:32-ni:2" | |
| target triple = "x86_64-unknown-linux-gnu" | |
| ; Make sure it does not crash with assert. | |
| define void @test(i1 %arg) { | |
| ; CHECK-LABEL: test | |
| bb: | |
| br label %bb1 | |
| bb1: ; preds = %bb6, %bb1, %bb | |
| %tmp = phi i32 [ undef, %bb ], [ 0, %bb1 ], [ %tmp3, %bb6 ] | |
| br i1 %arg, label %bb1, label %bb2 | |
| bb2: ; preds = %bb1 | |
| %tmp3 = add i32 %tmp, 1 | |
| %tmp4 = icmp ult i32 %tmp, undef | |
| br i1 %tmp4, label %bb6, label %bb5 | |
| bb5: ; preds = %bb2 | |
| ret void | |
| bb6: ; preds = %bb2 | |
| br i1 %arg, label %bb7, label %bb1 | |
| bb7: ; preds = %bb7, %bb6 | |
| %tmp8 = phi i32 [ %tmp15, %bb7 ], [ %tmp3, %bb6 ] | |
| %tmp9 = phi i32 [ %tmp8, %bb7 ], [ %tmp, %bb6 ] | |
| %tmp10 = zext i32 %tmp9 to i64 | |
| %tmp11 = getelementptr inbounds float, ptr addrspace(1) null, i64 %tmp10 | |
| %tmp12 = load float, ptr addrspace(1) %tmp11, align 4 | |
| %tmp13 = zext i32 %tmp8 to i64 | |
| %tmp14 = getelementptr inbounds float, ptr addrspace(1) null, i64 %tmp13 | |
| store float 1.000000e+00, ptr addrspace(1) %tmp14, align 4 | |
| %tmp15 = add nuw nsw i32 %tmp8, 1 | |
| %tmp16 = icmp sgt i32 %tmp8, 78 | |
| br i1 %tmp16, label %bb17, label %bb7 | |
| bb17: ; preds = %bb7 | |
| unreachable | |
| } |