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
|
; This test makes sure that these instructions are properly eliminated.
;
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep load
%X = constant int 42
%Y = constant [2 x { int, float }] [ { int, float } { int 12, float 1.0 },
{ int, float } { int 37, float 1.2312 } ]
%Z = constant [2 x { int, float }] zeroinitializer
int %test1() {
%B = load int* %X
ret int %B
}
float %test2() {
%A = getelementptr [2 x { int, float}]* %Y, long 0, long 1, ubyte 1
%B = load float* %A
ret float %B
}
int %test3() {
%A = getelementptr [2 x { int, float}]* %Y, long 0, long 0, ubyte 0
%B = load int* %A
ret int %B
}
int %test4() {
%A = getelementptr [2 x { int, float}]* %Z, long 0, long 1, ubyte 0
%B = load int* %A
ret int %B
}
|