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cbf68dfbc0
llvm-6502/test/CodeGen
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Chris Lattner cbf68dfbc0 Fix a bug in ReduceLoadWidth that wasn't handling extending 
loads properly.  We miscompiled the testcase into:

_test:                                  ## @test
	movl	$128, (%rdi)
	movzbl	1(%rdi), %eax
	ret

Now we get a proper:

_test:                                  ## @test
	movl	$128, (%rdi)
	movsbl	(%rdi), %eax
	movzbl	%ah, %eax
	ret

This fixes PR8757.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122392 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-22 08:02:57 +00:00
..
Alpha If dbg_declare() or dbg_value() is not lowered by isel then emit DEBUG message instead of creating DBG_VALUE for undefined value in reg0. 2010-12-06 22:39:26 +00:00
ARM Add ARM-specific DAG combining to cast i64 vector element load/stores to f64. 2010-12-21 06:43:19 +00:00
Blackfin
CBackend
CellSPU Don't feed 19 bit immediates to ILA. 2010-12-17 09:36:09 +00:00
CPP
Generic temporarily disable this: PR8823. 2010-12-20 02:11:23 +00:00
MBlaze Lower the MBlaze target specific calling conventions for "interrupt_handler" 2010-12-15 20:27:28 +00:00
Mips Add ROTR and ROTRV mips32 instructions. Patch by Akira Hatanaka 2010-12-09 17:32:30 +00:00
MSP430 If dbg_declare() or dbg_value() is not lowered by isel then emit DEBUG message instead of creating DBG_VALUE for undefined value in reg0. 2010-12-06 22:39:26 +00:00
PowerPC Restore the behavior of frame lowering before my refactoring. 2010-12-18 19:53:14 +00:00
PTX ptx: add shift instructions 2010-12-06 04:00:03 +00:00
SPARC If dbg_declare() or dbg_value() is not lowered by isel then emit DEBUG message instead of creating DBG_VALUE for undefined value in reg0. 2010-12-06 22:39:26 +00:00
SystemZ If dbg_declare() or dbg_value() is not lowered by isel then emit DEBUG message instead of creating DBG_VALUE for undefined value in reg0. 2010-12-06 22:39:26 +00:00
Thumb Thumb1 had two patterns for the same load-from-constant-pool instruction. 2010-12-15 23:52:36 +00:00
Thumb2 Remove the rest of the *_sfp Neon instruction patterns. 2010-12-13 23:02:37 +00:00
X86 Fix a bug in ReduceLoadWidth that wasn't handling extending 2010-12-22 08:02:57 +00:00
XCore If dbg_declare() or dbg_value() is not lowered by isel then emit DEBUG message instead of creating DBG_VALUE for undefined value in reg0. 2010-12-06 22:39:26 +00:00
thumb2-mul.ll