Chris Lattner 783ccdb5c4 Add some simplifications for demanded bits, this allows instcombine to turn: ... define i64 @test(i64 %A, i32 %B) { %tmp12 = zext i32 %B to i64 ; <i64> [#uses=1] %tmp3 = shl i64 %tmp12, 32 ; <i64> [#uses=1] %tmp5 = add i64 %tmp3, %A ; <i64> [#uses=1] %tmp6 = and i64 %tmp5, 123 ; <i64> [#uses=1] ret i64 %tmp6 } into: define i64 @test(i64 %A, i32 %B) { %tmp6 = and i64 %A, 123 ; <i64> [#uses=1] ret i64 %tmp6 } This implements Transforms/InstCombine/add2.ll:test1 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34919 91177308-0d34-0410-b5e6-96231b3b80d8		2007-03-05 00:02:29 +00:00
..
Hello	eliminate static ctor from example.	2006-12-19 22:24:09 +00:00
Instrumentation	remove reoptimizer-specific passes	2007-02-20 05:31:49 +00:00
IPO	Unbreak VC++ build.	2007-03-05 00:00:42 +00:00
Scalar	Add some simplifications for demanded bits, this allows instcombine to turn:	2007-03-05 00:02:29 +00:00
Utils	Make sure debug code is not evaluated in non-debug case.	2007-03-02 23:15:21 +00:00
Makefile	For PR1072:	2007-02-03 23:15:56 +00:00