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| author | David Chase <drchase@google.com> | 2021-04-05 09:47:22 -0400 |
|---|---|---|
| committer | David Chase <drchase@google.com> | 2021-04-05 20:11:08 +0000 |
| commit | ee40bb666bed55e7232c50a980e238aed7a32e0c (patch) | |
| tree | 374bf6b76fa4cacb5baa9df35023342e6968719c /src/cmd/compile/internal/ssa/expand_calls.go | |
| parent | 254fb85c12aa631b5d1596aaf13f6e8666d65d15 (diff) | |
| download | go-ee40bb666bed55e7232c50a980e238aed7a32e0c.tar.gz go-ee40bb666bed55e7232c50a980e238aed7a32e0c.zip | |
cmd/compile: add "surprised by IData of Arg" case for register args
This fixes a compile crash for
GOEXPERIMENT=regabi,regabiargs go test -c go/constant
Updates #40724.
Change-Id: I238cef436e045647815326fc8fdb025c30ba1f5c
Reviewed-on: https://go-review.googlesource.com/c/go/+/307309
Trust: David Chase <drchase@google.com>
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Diffstat (limited to 'src/cmd/compile/internal/ssa/expand_calls.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/expand_calls.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/ssa/expand_calls.go b/src/cmd/compile/internal/ssa/expand_calls.go index b6683d076d..6a6517deb8 100644 --- a/src/cmd/compile/internal/ssa/expand_calls.go +++ b/src/cmd/compile/internal/ssa/expand_calls.go @@ -317,6 +317,15 @@ func (x *expandState) rewriteSelect(leaf *Value, selector *Value, offset int64, } } switch selector.Op { + case OpArgIntReg, OpArgFloatReg: + if leafType == selector.Type { // OpIData leads us here, sometimes. + leaf.copyOf(selector) + } else { + x.f.Fatalf("Unexpected %s type, selector=%s, leaf=%s\n", selector.Op.String(), selector.LongString(), leaf.LongString()) + } + if x.debug { + x.Printf("---%s, break\n", selector.Op.String()) + } case OpArg: if !x.isAlreadyExpandedAggregateType(selector.Type) { if leafType == selector.Type { // OpIData leads us here, sometimes. |