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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.
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; RUN: llvm-as < %s | opt -loop-reduce | llvm-dis | not grep 'getelementptr.*%outer.*%INDVAR'
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declare bool %pred()
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declare int %foo()
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void %test([10000 x int]* %P) {
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%outer = call int %foo()
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br label %Loop
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Loop:
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%INDVAR = phi int [0, %0], [%INDVAR2, %Loop]
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%STRRED = getelementptr [10000 x int]* %P, int %outer, int %INDVAR
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store int 0, int* %STRRED
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%INDVAR2 = add int %INDVAR, 1
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%cond = call bool %pred()
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br bool %cond, label %Loop, label %Out
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Out:
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ret void
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}
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