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llvm-mirror/test/Regression/Transforms/LoopStrengthReduce/ops_after_indvar.ll
Chris Lattner 85a611063e Add test for this:
Allow operands after the induction variable (no restrictions):

  int x;
  for (i)
   j = .....
   a[i][x][j]

llvm-svn: 20498
2005-03-06 22:01:42 +00:00

23 lines
564 B
LLVM

; Check that this test makes INDVAR and related stuff dead, because P[indvar]
; gets reduced, making INDVAR dead.
; RUN: llvm-as < %s | opt -loop-reduce | llvm-dis | not grep INDVAR
declare bool %pred()
declare int %getidx()
void %test([10000 x int]* %P) {
br label %Loop
Loop:
%INDVAR = phi int [0, %0], [%INDVAR2, %Loop]
%idx = call int %getidx()
%STRRED = getelementptr [10000 x int]* %P, int %INDVAR, int %idx
store int 0, int* %STRRED
%INDVAR2 = add int %INDVAR, 1
%cond = call bool %pred()
br bool %cond, label %Loop, label %Out
Out:
ret void
}