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
29
30
31
32
33
34
35
36
37
38
39
|
; RUN: opt -S -codegenprepare < %s | FileCheck %s -check-prefix=CHECK -check-prefix=GEP
target datalayout =
"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
target triple = "x86_64-unknown-linux-gnu"
; CHECK-LABEL: @load_cast_gep
; GEP: [[CAST:%[0-9]+]] = addrspacecast i64* %base to i8 addrspace(1)*
; GEP: getelementptr inbounds i8, i8 addrspace(1)* [[CAST]], i64 40
define void @load_cast_gep(i1 %cond, i64* %base) {
entry:
%addr = getelementptr inbounds i64, i64* %base, i64 5
%casted = addrspacecast i64* %addr to i32 addrspace(1)*
br i1 %cond, label %if.then, label %fallthrough
if.then:
%v = load i32, i32 addrspace(1)* %casted, align 4
br label %fallthrough
fallthrough:
ret void
}
; CHECK-LABEL: @store_gep_cast
; GEP: [[CAST:%[0-9]+]] = addrspacecast i64* %base to i8 addrspace(1)*
; GEP: getelementptr inbounds i8, i8 addrspace(1)* [[CAST]], i64 20
define void @store_gep_cast(i1 %cond, i64* %base) {
entry:
%casted = addrspacecast i64* %base to i32 addrspace(1)*
%addr = getelementptr inbounds i32, i32 addrspace(1)* %casted, i64 5
br i1 %cond, label %if.then, label %fallthrough
if.then:
store i32 0, i32 addrspace(1)* %addr, align 4
br label %fallthrough
fallthrough:
ret void
}
|
