mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-18 10:31:57 +00:00
18 lines
436 B
LLVM
18 lines
436 B
LLVM
|
; Check that variable strides are reduced to adds instead of multiplies.
|
||
|
|
; RUN: llvm-as < %s | opt -loop-reduce | llvm-dis | not grep 'mul'
|
||
|
|
|
||
|
|
declare bool %pred(int)
|
||
|
|
|
||
|
|
void %test([10000 x int]* %P, int %STRIDE) {
|
||
|
|
br label %Loop
|
||
|
|
Loop:
|
||
|
|
%INDVAR = phi int [0, %0], [%INDVAR2, %Loop]
|
||
|
|
%Idx = mul int %INDVAR, %STRIDE
|
||
|
|
|
||
|
|
%cond = call bool %pred(int %Idx)
|
||
|
|
%INDVAR2 = add int %INDVAR, 1
|
||
|
|
br bool %cond, label %Loop, label %Out
|
||
|
|
Out:
|
||
|
|
ret void
|
||
|
|
}
|