[PATCH] D131217: [clang][WebAssembly] Pass `-Wl,-no-type-check` through to the MC layer
Sam Clegg via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Thu Sep 1 03:12:15 PDT 2022
This revision was automatically updated to reflect the committed changes.
Closed by commit rG849df8f6f0a6: [clang][WebAssembly] Pass `-Wa,--no-type-check` through to the MC layer (authored by sbc100).
Changed prior to commit:
https://reviews.llvm.org/D131217?vs=454128&id=457215#toc
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D131217/new/
https://reviews.llvm.org/D131217
Files:
clang/include/clang/Basic/CodeGenOptions.def
clang/include/clang/Driver/Options.td
clang/lib/Driver/ToolChains/Clang.cpp
clang/test/Driver/notypecheck.s
clang/tools/driver/cc1as_main.cpp
Index: clang/tools/driver/cc1as_main.cpp
===================================================================
--- clang/tools/driver/cc1as_main.cpp
+++ clang/tools/driver/cc1as_main.cpp
@@ -134,6 +134,7 @@
unsigned NoExecStack : 1;
unsigned FatalWarnings : 1;
unsigned NoWarn : 1;
+ unsigned NoTypeCheck : 1;
unsigned IncrementalLinkerCompatible : 1;
unsigned EmbedBitcode : 1;
@@ -166,6 +167,7 @@
NoExecStack = 0;
FatalWarnings = 0;
NoWarn = 0;
+ NoTypeCheck = 0;
IncrementalLinkerCompatible = 0;
Dwarf64 = 0;
DwarfVersion = 0;
@@ -304,6 +306,7 @@
Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack);
Opts.FatalWarnings = Args.hasArg(OPT_massembler_fatal_warnings);
Opts.NoWarn = Args.hasArg(OPT_massembler_no_warn);
+ Opts.NoTypeCheck = Args.hasArg(OPT_mno_type_check);
Opts.RelocationModel =
std::string(Args.getLastArgValue(OPT_mrelocation_model, "pic"));
Opts.TargetABI = std::string(Args.getLastArgValue(OPT_target_abi));
@@ -468,6 +471,7 @@
MCOptions.MCNoWarn = Opts.NoWarn;
MCOptions.MCFatalWarnings = Opts.FatalWarnings;
+ MCOptions.MCNoTypeCheck = Opts.NoTypeCheck;
MCOptions.ABIName = Opts.TargetABI;
// FIXME: There is a bit of code duplication with addPassesToEmitFile.
Index: clang/test/Driver/notypecheck.s
===================================================================
--- /dev/null
+++ clang/test/Driver/notypecheck.s
@@ -0,0 +1,13 @@
+# REQUIRES: webassembly-registered-target
+
+# RUN: %clang -### %s -c -o tmp.o -target wasm32-unknown-unknown -Wa,--no-type-check 2>&1 | FileCheck %s
+# CHECK: "-cc1as" {{.*}} "-mno-type-check"
+
+# Verify that without -Wa,--no-type-check the assembler will error out
+# RUN: not %clang %s -c -o tmp.o -target wasm32-unknown-unknown 2>&1 | FileCheck --check-prefix=ERROR %s
+# ERROR: error: popped i64, expected i32
+
+foo:
+ .functype foo () -> (i32)
+ i64.const 42
+ end_function
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -2580,6 +2580,13 @@
switch (C.getDefaultToolChain().getArch()) {
default:
break;
+ case llvm::Triple::wasm32:
+ case llvm::Triple::wasm64:
+ if (Value == "--no-type-check") {
+ CmdArgs.push_back("-mno-type-check");
+ continue;
+ }
+ break;
case llvm::Triple::thumb:
case llvm::Triple::thumbeb:
case llvm::Triple::arm:
Index: clang/include/clang/Driver/Options.td
===================================================================
--- clang/include/clang/Driver/Options.td
+++ clang/include/clang/Driver/Options.td
@@ -5286,6 +5286,9 @@
"Note this may change .s semantics and shouldn't generally be used "
"on compiler-generated code.">,
MarshallingInfoFlag<CodeGenOpts<"SaveTempLabels">>;
+def mno_type_check : Flag<["-"], "mno-type-check">,
+ HelpText<"Don't perform type checking of the assembly code (wasm only)">,
+ MarshallingInfoFlag<CodeGenOpts<"NoTypeCheck">>;
def fno_math_builtin : Flag<["-"], "fno-math-builtin">,
HelpText<"Disable implicit builtin knowledge of math functions">,
MarshallingInfoFlag<LangOpts<"NoMathBuiltin">>;
Index: clang/include/clang/Basic/CodeGenOptions.def
===================================================================
--- clang/include/clang/Basic/CodeGenOptions.def
+++ clang/include/clang/Basic/CodeGenOptions.def
@@ -180,6 +180,7 @@
CODEGENOPT(FatalWarnings , 1, 0) ///< Set when -Wa,--fatal-warnings is
///< enabled.
CODEGENOPT(NoWarn , 1, 0) ///< Set when -Wa,--no-warn is enabled.
+CODEGENOPT(NoTypeCheck , 1, 0) ///< Set when -Wa,--no-type-check is enabled.
CODEGENOPT(MisExpect , 1, 0) ///< Set when -Wmisexpect is enabled
CODEGENOPT(EnableSegmentedStacks , 1, 0) ///< Set when -fsplit-stack is enabled.
CODEGENOPT(NoInlineLineTables, 1, 0) ///< Whether debug info should contain
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