1 ; The %A getelementptr instruction should be eliminated here
3 ; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | \
4 ; RUN: grep -v %B | not grep getelementptr
5 ; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | grep foo1
7 %Global = constant [10 x sbyte] c"helloworld"
11 int *%foo1(int* %I) { ; Test noop elimination
12 %A = getelementptr int* %I, long 0
16 int* %foo2(int* %I) { ; Test noop elimination
17 %A = getelementptr int* %I
20 int* %foo3(int * %I) { ; Test that two array indexing geps fold
21 %A = getelementptr int* %I, long 17
22 %B = getelementptr int* %A, long 4
26 int* %foo4({int} *%I) { ; Test that two getelementptr insts fold
27 %A = getelementptr {int}* %I, long 1
28 %B = getelementptr {int}* %A, long 0, uint 0
32 void %foo5(sbyte %B) {
33 ; This should be turned into a constexpr instead of being an instruction
34 %A = getelementptr [10 x sbyte]* %Global, long 0, long 4
35 store sbyte %B, sbyte* %A
41 %A = getelementptr [4 x int]* %M, long 0, long 0
42 %B = getelementptr int* %A, long 2
46 int* %foo7(int* %I, long %C, long %D) {
47 %A = getelementptr int* %I, long %C
48 %B = getelementptr int* %A, long %D
52 sbyte* %foo8([10 x int]* %X) {
53 %A = getelementptr [10 x int]* %X, long 0, long 0 ;; Fold into the cast.
54 %B = cast int* %A to sbyte*
59 %A = getelementptr {int, double}* null, int 0, uint 1
60 %B = cast double* %A to int
64 bool %test10({int, int} * %x, {int, int} * %y) {
65 %tmp.1 = getelementptr {int,int}* %x, int 0, uint 1
66 %tmp.3 = getelementptr {int,int}* %y, int 0, uint 1
67 %tmp.4 = seteq int* %tmp.1, %tmp.3 ;; seteq x, y
71 bool %test11({int,int} *%X) {
72 %P = getelementptr {int,int}* %X, int 0, uint 0
73 %Q = seteq int* %P, null