[llvm] [AMDGPU] Reject named single register inline asm constraints for wider types (PR #200771)
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Mon Jun 1 03:19:44 PDT 2026
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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Target/AMDGPU/SIISelLowering.cpp --diff_from_common_commit
``````````
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index 19c89251b..df8b4b619 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -19290,7 +19290,8 @@ SITargetLowering::getRegForInlineAsmConstraint(const TargetRegisterInfo *TRI_,
// Reject types that do not fit a single 32-bit register: any scalar wider
// than 32 bits, or a vector that is not exactly 32 bits.
if (VT.SimpleTy != MVT::Other &&
- (VT.getSizeInBits() > 32 || (VT.isVector() && VT.getSizeInBits() != 32)))
+ (VT.getSizeInBits() > 32 ||
+ (VT.isVector() && VT.getSizeInBits() != 32)))
return std::pair(0U, nullptr);
if (RC && Idx < RC->getNumRegs())
return std::pair(RC->getRegister(Idx), RC);
``````````
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https://github.com/llvm/llvm-project/pull/200771
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