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A testcase I don't want to break in the future

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22718 91177308-0d34-0410-b5e6-96231b3b80d8
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Chris Lattner 2005-08-08 22:13:49 +00:00
parent 21e1a79a31
commit 0bc6bde317
1 changed files with 26 additions and 0 deletions
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26
test/Transforms/LoopStrengthReduce/different-type-ivs.ll Normal file
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; RUN: llvm-as < %s | opt -loop-reduce -disable-output
; Test to make sure that loop-reduce never crashes on IV's
; with different types but identical strides.
void %foo() {
entry:
br label %no_exit
no_exit: ; preds = %no_exit, %entry
%indvar = phi uint [ 0, %entry ], [ %indvar.next, %no_exit ] ; <uint> [#uses=3]
%indvar = cast uint %indvar to short ; <short> [#uses=1]
%X.0.0 = mul short %indvar, 1234 ; <short> [#uses=1]
%tmp. = mul uint %indvar, 1234 ; <uint> [#uses=1]
%tmp.5 = cast short %X.0.0 to int ; <int> [#uses=1]
%tmp.3 = call int (...)* %bar( int %tmp.5, uint %tmp. ) ; <int> [#uses=0]
%tmp.0 = call bool %pred( ) ; <int> [#uses=1]
%indvar.next = add uint %indvar, 1 ; <uint> [#uses=1]
br bool %tmp.0, label %return, label %no_exit
return:
ret void
}
declare bool %pred()
declare int %bar(...)