diff options
Diffstat (limited to 'src/cmd/compile/internal/ir')
| -rw-r--r-- | src/cmd/compile/internal/ir/node.go | 10 | ||||
| -rw-r--r-- | src/cmd/compile/internal/ir/scc.go | 3 | ||||
| -rw-r--r-- | src/cmd/compile/internal/ir/symtab.go | 1 |
3 files changed, 11 insertions, 3 deletions
diff --git a/src/cmd/compile/internal/ir/node.go b/src/cmd/compile/internal/ir/node.go index f071cb78ce5..8784f9ef994 100644 --- a/src/cmd/compile/internal/ir/node.go +++ b/src/cmd/compile/internal/ir/node.go @@ -334,6 +334,16 @@ const ( OEND ) +// IsCmp reports whether op is a comparison operation (==, !=, <, <=, +// >, or >=). +func (op Op) IsCmp() bool { + switch op { + case OEQ, ONE, OLT, OLE, OGT, OGE: + return true + } + return false +} + // Nodes is a pointer to a slice of *Node. // For fields that are not used in most nodes, this is used instead of // a slice to save space. diff --git a/src/cmd/compile/internal/ir/scc.go b/src/cmd/compile/internal/ir/scc.go index 2cfceaa1f62..a42951c1dda 100644 --- a/src/cmd/compile/internal/ir/scc.go +++ b/src/cmd/compile/internal/ir/scc.go @@ -116,12 +116,11 @@ func (v *bottomUpVisitor) visit(n *Func) uint32 { var i int for i = len(v.stack) - 1; i >= 0; i-- { x := v.stack[i] + v.nodeID[x] = ^uint32(0) if x == n { break } - v.nodeID[x] = ^uint32(0) } - v.nodeID[n] = ^uint32(0) block := v.stack[i:] // Run escape analysis on this set of functions. v.stack = v.stack[:i] diff --git a/src/cmd/compile/internal/ir/symtab.go b/src/cmd/compile/internal/ir/symtab.go index 61727fb1c4b..1e8261810f4 100644 --- a/src/cmd/compile/internal/ir/symtab.go +++ b/src/cmd/compile/internal/ir/symtab.go @@ -68,5 +68,4 @@ var Pkgs struct { Go *types.Pkg Itab *types.Pkg Runtime *types.Pkg - Unsafe *types.Pkg } |