Chris Lattner 616335f272 implement InstCombine/and-compare.ll:test1. This compiles: ... typedef struct { unsigned prefix : 4; unsigned code : 4; unsigned unsigned_p : 4; } tree_common; int foo(tree_common *a, tree_common *b) { return a->code == b->code; } into: _foo: movl 4(%esp), %eax movl 8(%esp), %ecx movl (%eax), %eax xorl (%ecx), %eax # TRUNCATE movb %al, %al shrb $4, %al testb %al, %al sete %al movzbl %al, %eax ret instead of: _foo: movl 8(%esp), %eax movb (%eax), %al shrb $4, %al movl 4(%esp), %ecx movb (%ecx), %cl shrb $4, %cl cmpb %al, %cl sete %al movzbl %al, %eax ret saving one cycle by eliminating a shift. llvm-svn: 31727		2006-11-14 06:06:06 +00:00
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Analysis	A shim over other AA impls to catch incorrect uses	2006-11-14 05:21:04 +00:00
AsmParser	Initialize some pointers to quiet the compiler (when doing build_gcc	2006-11-12 11:10:39 +00:00
Bytecode	Discard code that supported old bytecode formats. This makes the Bytecode	2006-11-14 04:47:22 +00:00
CodeGen	Matches MachineInstr changes.	2006-11-13 23:36:35 +00:00
Debugger	For PR786:	2006-11-02 20:25:50 +00:00
ExecutionEngine	if lazy compilation is disabled, print an error message and abort if	2006-11-09 19:32:13 +00:00
Linker	Remvoe a do-nothing else block.	2006-11-11 20:27:49 +00:00
Support	Remove redundant <cmath>.	2006-11-08 19:16:44 +00:00
System	Unbreak VC++ build.	2006-11-05 19:31:28 +00:00
Target	lower "X = seteq Y, Z" to '(shr (ctlz (xor Y, Z)), 5)' instead of	2006-11-14 05:28:08 +00:00
Transforms	implement InstCombine/and-compare.ll:test1. This compiles:	2006-11-14 06:06:06 +00:00
VMCore	Implement removeDeadPasses().	2006-11-14 03:05:08 +00:00
Makefile	Make some changes suggested by Chris:	2006-05-17 22:55:35 +00:00