1; RUN: opt -passes=loop-load-elim -S %s | FileCheck %s 2; REQUIRES: asserts 3 4target 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" 5target triple = "x86_64-unknown-linux-gnu" 6 7; Make sure it does not crash with assert. 8define void @test(i1 %arg) { 9; CHECK-LABEL: test 10 11bb: 12 br label %bb1 13 14bb1: ; preds = %bb6, %bb1, %bb 15 %tmp = phi i32 [ undef, %bb ], [ 0, %bb1 ], [ %tmp3, %bb6 ] 16 br i1 %arg, label %bb1, label %bb2 17 18bb2: ; preds = %bb1 19 %tmp3 = add i32 %tmp, 1 20 %tmp4 = icmp ult i32 %tmp, undef 21 br i1 %tmp4, label %bb6, label %bb5 22 23bb5: ; preds = %bb2 24 ret void 25 26bb6: ; preds = %bb2 27 br i1 %arg, label %bb7, label %bb1 28 29bb7: ; preds = %bb7, %bb6 30 %tmp8 = phi i32 [ %tmp15, %bb7 ], [ %tmp3, %bb6 ] 31 %tmp9 = phi i32 [ %tmp8, %bb7 ], [ %tmp, %bb6 ] 32 %tmp10 = zext i32 %tmp9 to i64 33 %tmp11 = getelementptr inbounds float, ptr addrspace(1) null, i64 %tmp10 34 %tmp12 = load float, ptr addrspace(1) %tmp11, align 4 35 %tmp13 = zext i32 %tmp8 to i64 36 %tmp14 = getelementptr inbounds float, ptr addrspace(1) null, i64 %tmp13 37 store float 1.000000e+00, ptr addrspace(1) %tmp14, align 4 38 %tmp15 = add nuw nsw i32 %tmp8, 1 39 %tmp16 = icmp sgt i32 %tmp8, 78 40 br i1 %tmp16, label %bb17, label %bb7 41 42bb17: ; preds = %bb7 43 unreachable 44} 45