[PATCH] D18226: Codegen: Tail-duplicate during placement.
JF Bastien via llvm-commits
llvm-commits at lists.llvm.org
Fri Apr 8 14:29:00 PDT 2016
jfb added inline comments.
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Comment at: test/CodeGen/WebAssembly/cfg-stackify.ll:2
@@ -1,3 +1,3 @@
; RUN: llc < %s -asm-verbose=false -disable-block-placement -verify-machineinstrs | FileCheck %s
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs | FileCheck -check-prefix=OPT %s
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -tail-dup-placement=0 | FileCheck -check-prefix=OPT %s
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Disabling tail duplication for WebAssembly sounds like a good approach. Fallthrough and code increase is likely not desirable for us in most cases.
http://reviews.llvm.org/D18226
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