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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26133 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-02-12 08:01:35 +00:00
parent bf5d8a8270
commit 6261d766f9
2 changed files with 10 additions and 1 deletions
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3
test/Transforms/InstCombine/bit-tracking.ll
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@ -1,6 +1,7 @@
; This file contains various testcases that require tracking whether bits are
; set or cleared by various instructions.
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep %ELIM
; RUN: llvm-as < %s | opt -instcombine -instcombine -disable-output &&
; RUN: llvm-as < %s | opt -instcombine -instcombine | llvm-dis | not grep %ELIM
; Reduce down to a single XOR
int %test3(int %B) {

8
test/Transforms/InstCombine/or.ll
View File

@ -141,3 +141,11 @@ uint %test21(uint %tmp.1) {
%tmp.6 = or uint %tmp.5, %tmp.3 ;; add tmp.1, 2
ret uint %tmp.6
}
int %test22(int %B) {
%ELIM41 = and int %B, 1 ; <int> [#uses=1]
%ELIM7 = and int %B, -2 ; <int> [#uses=1]
%ELIM5 = or int %ELIM41, %ELIM7 ; <int> [#uses=1]
ret int %ELIM5
}