mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-30 15:32:52 +01:00
482fc889e1
(1) Allow loop invariant expressions to come before the induction variable (instead of just
constants):
int x;
for (i)
...a[x][i]
llvm-svn: 20499
22 lines
538 B
LLVM
22 lines
538 B
LLVM
; Check that the index of 'P[outer]' is pulled out of the loop.
|
|
; RUN: llvm-as < %s | opt -loop-reduce | llvm-dis | not grep 'getelementptr.*%outer.*%INDVAR'
|
|
|
|
declare bool %pred()
|
|
declare int %foo()
|
|
|
|
void %test([10000 x int]* %P) {
|
|
%outer = call int %foo()
|
|
br label %Loop
|
|
Loop:
|
|
%INDVAR = phi int [0, %0], [%INDVAR2, %Loop]
|
|
|
|
%STRRED = getelementptr [10000 x int]* %P, int %outer, int %INDVAR
|
|
store int 0, int* %STRRED
|
|
|
|
%INDVAR2 = add int %INDVAR, 1
|
|
%cond = call bool %pred()
|
|
br bool %cond, label %Loop, label %Out
|
|
Out:
|
|
ret void
|
|
}
|