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| author | Cherry Zhang <cherryyz@google.com> | 2018-06-30 17:46:25 -0400 |
|---|---|---|
| committer | Cherry Zhang <cherryyz@google.com> | 2018-07-02 20:53:23 +0000 |
| commit | 3f54e8537aa31cf3dbcf27d0c3033b17756d093a (patch) | |
| tree | ae58414abc2949ee23fccb3ca26e5a6acebe376e /src/cmd/compile/internal/ssa/compile.go | |
| parent | 398a8ed653929f9901ec14c1fa3d048955050f44 (diff) | |
| download | go-3f54e8537aa31cf3dbcf27d0c3033b17756d093a.tar.gz go-3f54e8537aa31cf3dbcf27d0c3033b17756d093a.zip | |
cmd/compile: run generic deadcode in -N mode
Late opt pass may generate dead stores, which messes up store
chain calculation in later passes. Run generic deadcode even
in -N mode to remove them.
Fixes #26163.
Change-Id: I8276101717bb978d5980e6c7998f53fd8d0ae10f
Reviewed-on: https://go-review.googlesource.com/121856
Run-TryBot: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Diffstat (limited to 'src/cmd/compile/internal/ssa/compile.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/compile.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd/compile/internal/ssa/compile.go b/src/cmd/compile/internal/ssa/compile.go index c7797d79e9..7f75dc4a03 100644 --- a/src/cmd/compile/internal/ssa/compile.go +++ b/src/cmd/compile/internal/ssa/compile.go @@ -373,7 +373,7 @@ var passes = [...]pass{ {name: "softfloat", fn: softfloat, required: true}, {name: "late opt", fn: opt, required: true}, // TODO: split required rules and optimizing rules {name: "dead auto elim", fn: elimDeadAutosGeneric}, - {name: "generic deadcode", fn: deadcode}, + {name: "generic deadcode", fn: deadcode, required: true}, // remove dead stores, which otherwise mess up store chain {name: "check bce", fn: checkbce}, {name: "branchelim", fn: branchelim}, {name: "fuse", fn: fuse}, |