mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-25 14:32:53 +00:00
24 lines
820 B
LLVM
24 lines
820 B
LLVM
|
; Test that the memcmpOptimizer works correctly
|
||
|
|
; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*memcmp' &&
|
||
|
|
; RUN: llvm-as < %s | opt -simplify-libcalls -disable-output
|
||
|
|
|
||
|
|
declare int %memcmp(sbyte*,sbyte*,int)
|
||
|
|
%h = constant [2 x sbyte] c"h\00"
|
||
|
|
%hel = constant [4 x sbyte] c"hel\00"
|
||
|
|
%hello_u = constant [8 x sbyte] c"hello_u\00"
|
||
|
|
|
||
|
|
implementation
|
||
|
|
|
||
|
|
void %test(sbyte *%P, sbyte *%Q, int %N, int* %IP, bool *%BP) {
|
||
|
|
%A = call int %memcmp(sbyte *%P, sbyte* %P, int %N)
|
||
|
|
volatile store int %A, int* %IP
|
||
|
|
%B = call int %memcmp(sbyte *%P, sbyte* %Q, int 0)
|
||
|
|
volatile store int %B, int* %IP
|
||
|
|
%C = call int %memcmp(sbyte *%P, sbyte* %Q, int 1)
|
||
|
|
volatile store int %C, int* %IP
|
||
|
|
%D = call int %memcmp(sbyte *%P, sbyte* %Q, int 2)
|
||
|
|
%E = seteq int %D, 0
|
||
|
|
volatile store bool %E, bool* %BP
|
||
|
|
ret void
|
||
|
|
}
|