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[dev.ssa] cmd/compile/internal/ssa/gen: more simplifications and foldings.
Change-Id: I74d1267dbfced2663072b4f091732c0fb328690f Reviewed-on: https://go-review.googlesource.com/13641 Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Alexandru Moșoi
Keith Randall
parent
7a6de6d5f2
commit
198fc9a9eb
4 changed files with 413 additions and 0 deletions
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@ -51,6 +51,86 @@ func rewriteValuegeneric(v *Value, config *Config) bool {
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goto end145c1aec793b2befff34bc8983b48a38
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end145c1aec793b2befff34bc8983b48a38:
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;
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case OpAnd16:
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// match: (And16 x x)
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// cond:
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// result: x
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{
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x := v.Args[0]
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if v.Args[1] != x {
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goto end69ed6ee2a4fb0491b56c17f3c1926b10
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}
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v.Op = OpCopy
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v.AuxInt = 0
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v.Aux = nil
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v.resetArgs()
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v.Type = x.Type
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v.AddArg(x)
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return true
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}
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goto end69ed6ee2a4fb0491b56c17f3c1926b10
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end69ed6ee2a4fb0491b56c17f3c1926b10:
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;
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case OpAnd32:
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// match: (And32 x x)
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// cond:
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// result: x
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{
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x := v.Args[0]
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if v.Args[1] != x {
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goto endbbe8c3c5b2ca8f013aa178d856f3a99c
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}
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v.Op = OpCopy
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v.AuxInt = 0
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v.Aux = nil
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v.resetArgs()
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v.Type = x.Type
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v.AddArg(x)
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return true
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}
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goto endbbe8c3c5b2ca8f013aa178d856f3a99c
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endbbe8c3c5b2ca8f013aa178d856f3a99c:
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;
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case OpAnd64:
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// match: (And64 x x)
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// cond:
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// result: x
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{
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x := v.Args[0]
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if v.Args[1] != x {
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goto endc9736bf24d2e5cd8d662e1bcf3164640
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}
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v.Op = OpCopy
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v.AuxInt = 0
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v.Aux = nil
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v.resetArgs()
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v.Type = x.Type
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v.AddArg(x)
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return true
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}
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goto endc9736bf24d2e5cd8d662e1bcf3164640
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endc9736bf24d2e5cd8d662e1bcf3164640:
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;
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case OpAnd8:
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// match: (And8 x x)
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// cond:
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// result: x
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{
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x := v.Args[0]
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if v.Args[1] != x {
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goto endeaf127389bd0d4b0e0e297830f8f463b
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}
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v.Op = OpCopy
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v.AuxInt = 0
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v.Aux = nil
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v.resetArgs()
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v.Type = x.Type
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v.AddArg(x)
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return true
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}
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goto endeaf127389bd0d4b0e0e297830f8f463b
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endeaf127389bd0d4b0e0e297830f8f463b:
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;
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case OpArrayIndex:
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// match: (ArrayIndex (Load ptr mem) idx)
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// cond:
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@ -612,6 +692,86 @@ func rewriteValuegeneric(v *Value, config *Config) bool {
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goto end67d723bb0f39a5c897816abcf411e5cf
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end67d723bb0f39a5c897816abcf411e5cf:
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;
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case OpOr16:
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// match: (Or16 x x)
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// cond:
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// result: x
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{
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x := v.Args[0]
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if v.Args[1] != x {
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goto end47a2f25fd31a76807aced3e2b126acdc
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}
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v.Op = OpCopy
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v.AuxInt = 0
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v.Aux = nil
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v.resetArgs()
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v.Type = x.Type
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v.AddArg(x)
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return true
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}
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goto end47a2f25fd31a76807aced3e2b126acdc
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end47a2f25fd31a76807aced3e2b126acdc:
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;
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case OpOr32:
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// match: (Or32 x x)
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// cond:
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// result: x
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{
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x := v.Args[0]
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if v.Args[1] != x {
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goto end231e283e568e90bd9a3e6a4fa328c8a4
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}
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v.Op = OpCopy
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v.AuxInt = 0
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v.Aux = nil
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v.resetArgs()
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v.Type = x.Type
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v.AddArg(x)
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return true
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}
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goto end231e283e568e90bd9a3e6a4fa328c8a4
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end231e283e568e90bd9a3e6a4fa328c8a4:
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;
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case OpOr64:
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// match: (Or64 x x)
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// cond:
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// result: x
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{
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x := v.Args[0]
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if v.Args[1] != x {
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goto end6b0efc212016dc97d0e3939db04c81d9
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}
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v.Op = OpCopy
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v.AuxInt = 0
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v.Aux = nil
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v.resetArgs()
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v.Type = x.Type
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v.AddArg(x)
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return true
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}
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goto end6b0efc212016dc97d0e3939db04c81d9
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end6b0efc212016dc97d0e3939db04c81d9:
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;
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case OpOr8:
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// match: (Or8 x x)
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// cond:
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// result: x
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{
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x := v.Args[0]
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if v.Args[1] != x {
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goto end05295dbfafd6869af79b4daee9fda000
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}
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v.Op = OpCopy
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v.AuxInt = 0
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v.Aux = nil
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v.resetArgs()
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v.Type = x.Type
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v.AddArg(x)
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return true
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}
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goto end05295dbfafd6869af79b4daee9fda000
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end05295dbfafd6869af79b4daee9fda000:
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;
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case OpPtrIndex:
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// match: (PtrIndex <t> ptr idx)
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// cond:
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@ -848,6 +1008,158 @@ func rewriteValuegeneric(v *Value, config *Config) bool {
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}
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goto end16fdb45e1dd08feb36e3cc3fb5ed8935
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end16fdb45e1dd08feb36e3cc3fb5ed8935:
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;
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case OpSub16:
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// match: (Sub16 x x)
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// cond:
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// result: (Const16 [0])
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{
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x := v.Args[0]
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if v.Args[1] != x {
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goto end83da541391be564f2a08464e674a49e7
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}
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v.Op = OpConst16
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v.AuxInt = 0
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v.Aux = nil
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v.resetArgs()
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v.AuxInt = 0
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return true
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}
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goto end83da541391be564f2a08464e674a49e7
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end83da541391be564f2a08464e674a49e7:
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;
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case OpSub32:
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// match: (Sub32 x x)
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// cond:
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// result: (Const32 [0])
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{
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x := v.Args[0]
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if v.Args[1] != x {
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goto enda747581e798f199e07f4ad69747cd069
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}
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v.Op = OpConst32
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v.AuxInt = 0
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v.Aux = nil
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v.resetArgs()
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v.AuxInt = 0
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return true
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}
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goto enda747581e798f199e07f4ad69747cd069
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enda747581e798f199e07f4ad69747cd069:
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;
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case OpSub64:
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// match: (Sub64 x x)
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// cond:
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// result: (Const64 [0])
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{
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x := v.Args[0]
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if v.Args[1] != x {
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goto end0387dc2b7bbe57d4aa54eab5d959da4b
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}
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v.Op = OpConst64
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v.AuxInt = 0
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v.Aux = nil
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v.resetArgs()
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v.AuxInt = 0
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return true
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}
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goto end0387dc2b7bbe57d4aa54eab5d959da4b
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end0387dc2b7bbe57d4aa54eab5d959da4b:
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;
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case OpSub8:
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// match: (Sub8 x x)
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// cond:
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// result: (Const8 [0])
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{
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x := v.Args[0]
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if v.Args[1] != x {
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goto end4e2ee15ef17611919a1a6b5f80bbfe18
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}
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v.Op = OpConst8
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v.AuxInt = 0
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v.Aux = nil
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v.resetArgs()
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v.AuxInt = 0
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return true
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}
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goto end4e2ee15ef17611919a1a6b5f80bbfe18
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end4e2ee15ef17611919a1a6b5f80bbfe18:
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;
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case OpXor16:
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// match: (Xor16 x x)
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// cond:
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// result: (Const16 [0])
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{
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x := v.Args[0]
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if v.Args[1] != x {
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goto end5733ceb1903b8140248d8e2cac02fefe
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}
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v.Op = OpConst16
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v.AuxInt = 0
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v.Aux = nil
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v.resetArgs()
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v.AuxInt = 0
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return true
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}
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goto end5733ceb1903b8140248d8e2cac02fefe
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end5733ceb1903b8140248d8e2cac02fefe:
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;
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case OpXor32:
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// match: (Xor32 x x)
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// cond:
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// result: (Const32 [0])
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{
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x := v.Args[0]
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if v.Args[1] != x {
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goto end268ca02df6515d648e0bfb4e90981d25
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}
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v.Op = OpConst32
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v.AuxInt = 0
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v.Aux = nil
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v.resetArgs()
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v.AuxInt = 0
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return true
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}
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goto end268ca02df6515d648e0bfb4e90981d25
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end268ca02df6515d648e0bfb4e90981d25:
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;
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case OpXor64:
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// match: (Xor64 x x)
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// cond:
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// result: (Const64 [0])
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{
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x := v.Args[0]
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if v.Args[1] != x {
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goto endaf44e7f9fc58af30df69070953fb45ce
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}
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v.Op = OpConst64
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v.AuxInt = 0
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v.Aux = nil
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v.resetArgs()
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v.AuxInt = 0
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return true
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}
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goto endaf44e7f9fc58af30df69070953fb45ce
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endaf44e7f9fc58af30df69070953fb45ce:
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;
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case OpXor8:
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// match: (Xor8 x x)
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// cond:
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// result: (Const8 [0])
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{
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x := v.Args[0]
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if v.Args[1] != x {
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goto end949b3a60b7d181688e6f79f93c782fc8
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}
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v.Op = OpConst8
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v.AuxInt = 0
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v.Aux = nil
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v.resetArgs()
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v.AuxInt = 0
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return true
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}
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goto end949b3a60b7d181688e6f79f93c782fc8
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end949b3a60b7d181688e6f79f93c782fc8:
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}
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return false
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}
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