27 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -S -passes=instcombine < %s | FileCheck %s3 4; This test used to cause an infinite loop in the load/store min/max bitcast5; transform.6 7define void @test(ptr %p, ptr %p2) {8; CHECK-LABEL: @test(9; CHECK-NEXT: [[V:%.*]] = load i32, ptr [[P:%.*]], align 410; CHECK-NEXT: [[V2:%.*]] = load i32, ptr [[P2:%.*]], align 411; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.umin.i32(i32 [[V2]], i32 [[V]])12; CHECK-NEXT: store i32 [[TMP1]], ptr [[P]], align 413; CHECK-NEXT: ret void14;15 %v = load i32, ptr %p, align 416 %v2 = load i32, ptr %p2, align 417 %cmp = icmp ult i32 %v2, %v18 %sel = select i1 %cmp, ptr %p2, ptr %p19 call void @llvm.memcpy.p0.p0.i64(ptr align 4 %p, ptr align 4 %sel, i64 4, i1 false)20 ret void21}22 23; Function Attrs: argmemonly nounwind willreturn24declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #025 26attributes #0 = { argmemonly nounwind willreturn }27