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remove useless or_is_add parallel's.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99359 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-03-24 00:15:23 +00:00
parent fdac0b66f0
commit a0f7017752
1 changed files with 6 additions and 12 deletions
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18
lib/Target/X86/X86InstrInfo.td
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@ -4721,23 +4721,17 @@ def : Pat<(i32 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
// (or x1, x2) -> (add x1, x2) if two operands are known not to share bits.
let AddedComplexity = 5 in { // Try this before the selecting to OR
def : Pat<(parallel (or_is_add GR16:$src1, imm:$src2),
(implicit EFLAGS)),
def : Pat<(or_is_add GR16:$src1, imm:$src2),
(ADD16ri GR16:$src1, imm:$src2)>;
def : Pat<(parallel (or_is_add GR32:$src1, imm:$src2),
(implicit EFLAGS)),
def : Pat<(or_is_add GR32:$src1, imm:$src2),
(ADD32ri GR32:$src1, imm:$src2)>;
def : Pat<(parallel (or_is_add GR16:$src1, i16immSExt8:$src2),
(implicit EFLAGS)),
def : Pat<(or_is_add GR16:$src1, i16immSExt8:$src2),
(ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
def : Pat<(parallel (or_is_add GR32:$src1, i32immSExt8:$src2),
(implicit EFLAGS)),
def : Pat<(or_is_add GR32:$src1, i32immSExt8:$src2),
(ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
def : Pat<(parallel (or_is_add GR16:$src1, GR16:$src2),
(implicit EFLAGS)),
def : Pat<(or_is_add GR16:$src1, GR16:$src2),
(ADD16rr GR16:$src1, GR16:$src2)>;
def : Pat<(parallel (or_is_add GR32:$src1, GR32:$src2),
(implicit EFLAGS)),
def : Pat<(or_is_add GR32:$src1, GR32:$src2),
(ADD32rr GR32:$src1, GR32:$src2)>;
} // AddedComplexity