blob: 1f3b378868e7a0add301d1cf4dcb9507b6f74b87 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
; RUN: opt -S -basicaa -gvn < %s | FileCheck %s
declare void @argmemonly_function(i32 *) argmemonly
define i32 @test0(i32* %P, i32* noalias %P2) {
; CHECK-LABEL: @test0(
%v1 = load i32, i32* %P
; CHECK: %v1 = load i32, i32* %P
call void @argmemonly_function(i32* %P2) [ "tag"() ]
; CHECK: call void @argmemonly_function(
%v2 = load i32, i32* %P
; CHECK: %v2 = load i32, i32* %P
%diff = sub i32 %v1, %v2
; CHECK: %diff = sub i32 %v1, %v2
ret i32 %diff
; CHECK: ret i32 %diff
}
define i32 @test1(i32* %P, i32* noalias %P2) {
; CHECK-LABEL: @test1(
%v1 = load i32, i32* %P
call void @argmemonly_function(i32* %P2) argmemonly [ "tag"() ]
; CHECK: call void @argmemonly_function(
%v2 = load i32, i32* %P
%diff = sub i32 %v1, %v2
ret i32 %diff
; CHECK: ret i32 0
}
|
