| ; RUN: opt -loop-load-elim -S %s | FileCheck %s |
| ; 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() { |
| ; CHECK-LABEL: test |
| |
| bb: |
| br label %bb1 |
| |
| bb1: ; preds = %bb6, %bb1, %bb |
| %tmp = phi i32 [ undef, %bb ], [ 0, %bb1 ], [ %tmp3, %bb6 ] |
| br i1 undef, 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 undef, 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, float addrspace(1)* null, i64 %tmp10 |
| %tmp12 = load float, float addrspace(1)* %tmp11, align 4 |
| %tmp13 = zext i32 %tmp8 to i64 |
| %tmp14 = getelementptr inbounds float, float addrspace(1)* null, i64 %tmp13 |
| store float 1.000000e+00, float 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 |
| } |
