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llvm-mirror/test/Transforms/LoopStrengthReduce/ops_after_indvar.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

25 lines
699 B
LLVM

; Check that this test makes INDVAR and related stuff dead, because P[indvar]
; gets reduced, making INDVAR dead.
; RUN: opt < %s -loop-reduce -S | not grep INDVAR
declare i1 @pred()
declare i32 @getidx()
define void @test([10000 x i32]* %P) {
; <label>:0
br label %Loop
Loop: ; preds = %Loop, %0
%INDVAR = phi i32 [ 0, %0 ], [ %INDVAR2, %Loop ] ; <i32> [#uses=2]
%idx = call i32 @getidx( ) ; <i32> [#uses=1]
%STRRED = getelementptr [10000 x i32]* %P, i32 %INDVAR, i32 %idx ; <i32*> [#uses=1]
store i32 0, i32* %STRRED
%INDVAR2 = add i32 %INDVAR, 1 ; <i32> [#uses=1]
%cond = call i1 @pred( ) ; <i1> [#uses=1]
br i1 %cond, label %Loop, label %Out
Out: ; preds = %Loop
ret void
}