mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
970c17889a
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14639 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
499 B
LLVM
28 lines
499 B
LLVM
; This test makes sure that these instructions are properly eliminated.
|
|
;
|
|
|
|
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep rem
|
|
|
|
implementation
|
|
|
|
int %test1(int %A) {
|
|
%B = rem int %A, 1 ; ISA constant 0
|
|
ret int %B
|
|
}
|
|
|
|
int %test2(int %A) { ; 0 % X = 0, we don't need ot preserve traps
|
|
%B = rem int 0, %A
|
|
ret int %B
|
|
}
|
|
|
|
uint %test3(uint %A) {
|
|
%B = rem uint %A, 8 ; & 7
|
|
ret uint %B
|
|
}
|
|
|
|
bool %test3(int %A) {
|
|
%B = rem int %A, -8 ; & 7
|
|
%C = setne int %B, 0
|
|
ret bool %C
|
|
}
|