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llvm-mirror/test/Regression/Transforms/LoopStrengthReduce/dont_reduce_bytes.ll

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; Don't reduce the byte access to P[i], at least not on targets that
; support an efficient 'mem[r1+r2]' addressing mode.
; RUN: llvm-as < %s | opt -loop-reduce -disable-output
declare bool %pred(int)
void %test(sbyte* %PTR) {
br label %Loop
Loop:
%INDVAR = phi int [0, %0], [%INDVAR2, %Loop]
%STRRED = getelementptr sbyte* %PTR, int %INDVAR
store sbyte 0, sbyte* %STRRED
%INDVAR2 = add int %INDVAR, 1
%cond = call bool %pred(int %INDVAR2) ;; cannot eliminate indvar
br bool %cond, label %Loop, label %Out
Out:
ret void
}