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| author | David Chase <drchase@google.com> | 2021-03-29 20:14:51 -0400 |
|---|---|---|
| committer | David Chase <drchase@google.com> | 2021-03-31 14:10:11 +0000 |
| commit | ca3aefc4a96f2e26c7bed549a6c90b6f12c1ecea (patch) | |
| tree | a363d9ff7b99aba9c97a6e10efe8e0103456659e /src/cmd/compile/internal/ssa/value.go | |
| parent | c847932804467f511b0e123cf29b72dd0d509306 (diff) | |
| download | go-ca3aefc4a96f2e26c7bed549a6c90b6f12c1ecea.tar.gz go-ca3aefc4a96f2e26c7bed549a6c90b6f12c1ecea.zip | |
cmd/compile: make expandCalls preserve types of pointer stores
This is accomplished by checking for simple stores of pointer types
and leaving them alone. The failure case was when a *mspan
(not in heap) stored type was replaced by unsafe.Pointer.
Updates #40724.
Change-Id: I529e1705bf58fb0e64e60d48fd550b3a407e57e7
Reviewed-on: https://go-review.googlesource.com/c/go/+/305672
Trust: David Chase <drchase@google.com>
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Diffstat (limited to 'src/cmd/compile/internal/ssa/value.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/value.go | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/ssa/value.go b/src/cmd/compile/internal/ssa/value.go index 5a9779dd1e..ba7f8c0300 100644 --- a/src/cmd/compile/internal/ssa/value.go +++ b/src/cmd/compile/internal/ssa/value.go @@ -139,6 +139,9 @@ func (v *Value) AuxArm64BitField() arm64BitField { // long form print. v# = opcode <type> [aux] args [: reg] (names) func (v *Value) LongString() string { + if v == nil { + return "<NIL VALUE>" + } s := fmt.Sprintf("v%d = %s", v.ID, v.Op) s += " <" + v.Type.String() + ">" s += v.auxString() |