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Commit Graph

Author	SHA1	Message	Date
Evan Cheng	ddc8678b00	Coalescer should not delete extract_subreg, insert_subreg, and subreg_to_reg of physical registers. This is especially critical for the later two since they start the live interval of a super-register. e.g. %DO<def> = INSERT_SUBREG %D0<undef>, %S0<kill>, 1 If this instruction is eliminated, the register scavenger will not be happy as D0 is not defined previously. This fixes PR5055. llvm-svn: 82968	2009-09-28 05:28:43 +00:00
Dan Gohman	142428ce64	Eliminate more uses of llvm-as and llvm-dis. llvm-svn: 81293	2009-09-09 00:09:15 +00:00
Jakob Stoklund Olesen	e7bffd7796	Add XFAIL test case for a scavenger assert. llvm-svn: 79092	2009-08-15 12:09:56 +00:00

Author

SHA1

Message

Date

Evan Cheng

ddc8678b00

Coalescer should not delete extract_subreg, insert_subreg, and subreg_to_reg of

physical registers. This is especially critical for the later two since they
start the live interval of a super-register. e.g.
%DO<def> = INSERT_SUBREG %D0<undef>, %S0<kill>, 1
If this instruction is eliminated, the register scavenger will not be happy as
D0 is not defined previously.
This fixes PR5055.

llvm-svn: 82968

2009-09-28 05:28:43 +00:00

Dan Gohman

142428ce64

Eliminate more uses of llvm-as and llvm-dis.

llvm-svn: 81293

2009-09-09 00:09:15 +00:00

Jakob Stoklund Olesen

e7bffd7796

Add XFAIL test case for a scavenger assert.

llvm-svn: 79092

2009-08-15 12:09:56 +00:00

3 Commits