xref: /llvm-project/llvm/test/Analysis/GlobalsModRef/modreftest.ll (revision 47f0b6630c78ab52c2197ec5e1c2d13a6acffed1)
1; RUN: opt < %s -aa-pipeline=basic-aa,globals-aa -passes='require<globals-aa>,gvn' -S | FileCheck %s
2
3@X = internal global i32 4		; <ptr> [#uses=2]
4
5define i32 @test(ptr %P) {
6; CHECK:      @test
7; CHECK-NEXT: store i32 12, ptr @X
8; CHECK-NEXT: call void @doesnotmodX()
9; CHECK-NEXT: ret i32 12
10	store i32 12, ptr @X
11	call void @doesnotmodX( )
12	%V = load i32, ptr @X		; <i32> [#uses=1]
13	ret i32 %V
14}
15
16define void @doesnotmodX() {
17	ret void
18}
19