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New testcase

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llvm-svn: 2628
This commit is contained in:
Chris Lattner 2002-05-14 19:56:14 +00:00
parent 8106c7a841
commit 4859d6b591
1 changed files with 18 additions and 0 deletions
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test/Regression/Transforms/GCSE/2002-05-14-OperandSwap.ll Normal file
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; This entire chain of computation should be optimized away, but
; wasn't because the two multiplies were not detected as being identical.
;
; RUN: if as < %s | opt -gcse -instcombine -dce | dis | grep sub
; RUN: then exit 1
; RUN: else exit 0
; RUN: fi
implementation ; Functions:
uint "vnum_test4"(uint* %data) {
%reg1101 = load uint* %data, uint 1
%reg1111 = load uint* %data, uint 3
%reg109 = mul uint %reg1101, %reg1111
%reg108 = mul uint %reg1111, %reg1101
%reg121 = sub uint %reg108, %reg109
ret uint %reg121
}