[clang] [CUDA] Correctly set CUDA default architecture (PR #84017)
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Tue Mar 5 05:48:20 PST 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-clang
@llvm/pr-subscribers-clang-driver
Author: Joseph Huber (jhuber6)
<details>
<summary>Changes</summary>
Summary:
We already had a special CUDA default that better tracked the state as
of modern CUDA installations. Recently this was bumped up to `sm_52`,
but there was a location that wasn't respecting this. Fix that.
---
Full diff: https://github.com/llvm/llvm-project/pull/84017.diff
1 Files Affected:
- (modified) clang/lib/Driver/Driver.cpp (+1-1)
``````````diff
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index de8ceb2f0898bb..cecd34acbc92c0 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -3234,7 +3234,7 @@ class OffloadingActionBuilder final {
CudaActionBuilder(Compilation &C, DerivedArgList &Args,
const Driver::InputList &Inputs)
: CudaActionBuilderBase(C, Args, Inputs, Action::OFK_Cuda) {
- DefaultCudaArch = CudaArch::SM_35;
+ DefaultCudaArch = CudaArch::CudaDefault;
}
StringRef getCanonicalOffloadArch(StringRef ArchStr) override {
``````````
</details>
https://github.com/llvm/llvm-project/pull/84017
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