1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -instcombine < %s | FileCheck %s 3 4; This test used to cause an infinite loop in the load/store min/max bitcast 5; transform. 6 7define void @test(i32* %p, i32* %p2) { 8; CHECK-LABEL: @test( 9; CHECK-NEXT: [[V:%.*]] = load i32, i32* [[P:%.*]], align 4 10; CHECK-NEXT: [[V2:%.*]] = load i32, i32* [[P2:%.*]], align 4 11; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[V2]], [[V]] 12; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[CMP]], i32 [[V2]], i32 [[V]] 13; CHECK-NEXT: store i32 [[TMP1]], i32* [[P]], align 4 14; CHECK-NEXT: ret void 15; 16 %v = load i32, i32* %p, align 4 17 %v2 = load i32, i32* %p2, align 4 18 %cmp = icmp ult i32 %v2, %v 19 %sel = select i1 %cmp, i32* %p2, i32* %p 20 %p8 = bitcast i32* %p to i8* 21 %sel8 = bitcast i32* %sel to i8* 22 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %p8, i8* align 4 %sel8, i64 4, i1 false) 23 ret void 24} 25 26; Function Attrs: argmemonly nounwind willreturn 27declare void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i64, i1 immarg) #0 28 29attributes #0 = { argmemonly nounwind willreturn } 30