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[WebAssembly] Fixup main signature by default

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Differential Revision: https://reviews.llvm.org/D53396

llvm-svn: 345880
This commit is contained in:
Sam Clegg 2018-11-01 19:38:44 +00:00
parent 06198ea6c1
commit 1fdc70c30d
7 changed files with 8 additions and 13 deletions
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7
lib/Target/WebAssembly/WebAssemblyFixFunctionBitcasts.cpp
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@ -36,11 +36,6 @@ using namespace llvm;
#define DEBUG_TYPE "wasm-fix-function-bitcasts"
static cl::opt<bool>
TemporaryWorkarounds("wasm-temporary-workarounds",
cl::desc("Apply certain temporary workarounds"),
cl::init(true), cl::Hidden);
namespace {
class FixFunctionBitcasts final : public ModulePass {
StringRef getPassName() const override {
@ -241,7 +236,7 @@ bool FixFunctionBitcasts::runOnModule(Module &M) {
// "int main(int argc, char *argv[])", create an artificial call with it
// bitcasted to that type so that we generate a wrapper for it, so that
// the C runtime can call it.
if (!TemporaryWorkarounds && !F.isDeclaration() && F.getName() == "main") {
if (!F.isDeclaration() && F.getName() == "main") {
Main = &F;
LLVMContext &C = M.getContext();
Type *MainArgTys[] = {Type::getInt32Ty(C),

4
test/CodeGen/WebAssembly/call.ll
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@ -1,5 +1,5 @@
; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-temporary-workarounds=false -mattr=+sign-ext,+simd128 | FileCheck %s
; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -fast-isel -fast-isel-abort=1 -wasm-temporary-workarounds=false -mattr=+sign-ext,+simd128 | FileCheck %s
; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -mattr=+sign-ext,+simd128 | FileCheck %s
; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -fast-isel -fast-isel-abort=1 -mattr=+sign-ext,+simd128 | FileCheck %s
; Test that basic call operations assemble as expected.

2
test/CodeGen/WebAssembly/function-bitcasts-varargs.ll
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@ -1,4 +1,4 @@
; RUN: llc < %s -asm-verbose=false -wasm-temporary-workarounds=false -wasm-keep-registers | FileCheck %s
; RUN: llc < %s -asm-verbose=false -wasm-keep-registers | FileCheck %s
; Test that function pointer casts casting away varargs are replaced with
; wrappers.

2
test/CodeGen/WebAssembly/function-bitcasts.ll
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@ -1,4 +1,4 @@
; RUN: llc < %s -asm-verbose=false -wasm-disable-explicit-locals -wasm-keep-registers -enable-emscripten-cxx-exceptions -wasm-temporary-workarounds=false | FileCheck %s
; RUN: llc < %s -asm-verbose=false -wasm-disable-explicit-locals -wasm-keep-registers -enable-emscripten-cxx-exceptions | FileCheck %s
; Test that function pointer casts are replaced with wrappers.

2
test/CodeGen/WebAssembly/main-declaration.ll
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@ -1,4 +1,4 @@
; RUN: llc < %s -asm-verbose=false -wasm-temporary-workarounds=false | FileCheck %s
; RUN: llc < %s -asm-verbose=false | FileCheck %s
; Test main functions with alternate signatures.

2
test/CodeGen/WebAssembly/main-no-args.ll
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@ -1,4 +1,4 @@
; RUN: llc < %s -asm-verbose=false -wasm-temporary-workarounds=false | FileCheck %s
; RUN: llc < %s -asm-verbose=false | FileCheck %s
; Test main functions with alternate signatures.

2
test/CodeGen/WebAssembly/main-with-args.ll
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@ -1,4 +1,4 @@
; RUN: llc < %s -asm-verbose=false -wasm-temporary-workarounds=false | FileCheck %s
; RUN: llc < %s -asm-verbose=false | FileCheck %s
; Test that main function with expected signature is not wrapped