| ; RUN: opt < %s -basicaa -globalsmodref-aa -gvn -S | FileCheck %s |
| |
| declare void @llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1) |
| define void @foo(i8* %x, i8* %y) { |
| call void @llvm.memcpy.p0i8.p0i8.i32(i8* %x, i8* %y, i32 1, i32 1, i1 false); |
| ret void |
| } |
| |
| define void @bar(i8* %y, i8* %z) { |
| %x = alloca i8 |
| call void @foo(i8* %x, i8* %y) |
| %t = load i8* %x |
| store i8 %t, i8* %y |
| ; CHECK: store i8 %t, i8* %y |
| ret void |
| } |
| |
| |
| define i32 @foo2() { |
| %foo = alloca i32 |
| call void @bar2(i32* %foo) |
| %t0 = load i32* %foo, align 4 |
| ; CHECK: %t0 = load i32* %foo, align 4 |
| ret i32 %t0 |
| } |
| |
| define void @bar2(i32* %foo) { |
| store i32 0, i32* %foo, align 4 |
| tail call void @llvm.dbg.value(metadata !{}, i64 0, metadata !{}) |
| ret void |
| } |
| |
| declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone |