https://github.com/wangpc-pp updated
https://github.com/llvm/llvm-project/pull/76387
>From ed8ebdb6f2133f84d1f5a8d2cd580dba4ceed922 Mon Sep 17 00:00:00 2001
From: wangpc <wangpengcheng...@bytedance.com>
Date: Tue, 26 Dec 2023 15:58:10 +0800
Subject: [PATCH 1/2] [RISCV][NFC] Use RISCVISAInfo instead of string
comparison
The arch string may not start with rv32/rv64 if we have supported
profiles in `-march`.
---
clang/lib/Driver/Driver.cpp | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index ff95c899c5f3d4..671a11f9811f5b 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -86,6 +86,7 @@
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/Program.h"
+#include "llvm/Support/RISCVISAInfo.h"
#include "llvm/Support/StringSaver.h"
#include "llvm/Support/VirtualFileSystem.h"
#include "llvm/Support/raw_ostream.h"
@@ -670,10 +671,15 @@ static llvm::Triple computeTargetTriple(const Driver &D,
if (Args.hasArg(options::OPT_march_EQ) ||
Args.hasArg(options::OPT_mcpu_EQ)) {
StringRef ArchName = tools::riscv::getRISCVArch(Args, Target);
- if (ArchName.starts_with_insensitive("rv32"))
- Target.setArch(llvm::Triple::riscv32);
- else if (ArchName.starts_with_insensitive("rv64"))
- Target.setArch(llvm::Triple::riscv64);
+ auto ISAInfo = llvm::RISCVISAInfo::parseArchString(
+ ArchName, /*EnableExperimentalExtensions=*/true);
+ if (ISAInfo) {
+ unsigned XLen = (*ISAInfo)->getXLen();
+ if (XLen == 32)
+ Target.setArch(llvm::Triple::riscv32);
+ else if (XLen == 64)
+ Target.setArch(llvm::Triple::riscv64);
+ }
}
}
>From 24f77edf357eb5f6fef207ab79d8df725a1ec27f Mon Sep 17 00:00:00 2001
From: wangpc <wangpengcheng...@bytedance.com>
Date: Tue, 26 Dec 2023 17:16:00 +0800
Subject: [PATCH 2/2] Handle the error case
---
clang/lib/Driver/Driver.cpp | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index 671a11f9811f5b..a8b7d0587c2f3f 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -673,7 +673,10 @@ static llvm::Triple computeTargetTriple(const Driver &D,
StringRef ArchName = tools::riscv::getRISCVArch(Args, Target);
auto ISAInfo = llvm::RISCVISAInfo::parseArchString(
ArchName, /*EnableExperimentalExtensions=*/true);
- if (ISAInfo) {
+ if (!ISAInfo) {
+ // Ignore any error here, we assume it will be handled in another
place.
+ consumeError(ISAInfo.takeError());
+ } else {
unsigned XLen = (*ISAInfo)->getXLen();
if (XLen == 32)
Target.setArch(llvm::Triple::riscv32);
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
