[llvm] [MachineOutliner] Don't outline ADRP pair to avoid incorrect ICF (PR #160232)

via llvm-commits llvm-commits at lists.llvm.org
Thu Oct 9 16:26:03 PDT 2025


github-actions[bot] wrote:

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
index c9229fb14..692bd5b2e 100644
--- a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
@@ -9547,9 +9547,10 @@ AArch64InstrInfo::getOutliningCandidateInfo(
     return std::nullopt;
   }
 
-  if ((FirstMI.getOpcode() == AArch64::ADDXri || FirstMI.getOpcode() == AArch64::LDRXui) &&
-       (FirstMI.getOperand(2).getTargetFlags() & AArch64II::MO_PAGEOFF) != 0 &&
-       (FirstMI.getOperand(2).getTargetFlags() & AArch64II::MO_GOT) != 0) {
+  if ((FirstMI.getOpcode() == AArch64::ADDXri ||
+       FirstMI.getOpcode() == AArch64::LDRXui) &&
+      (FirstMI.getOperand(2).getTargetFlags() & AArch64II::MO_PAGEOFF) != 0 &&
+      (FirstMI.getOperand(2).getTargetFlags() & AArch64II::MO_GOT) != 0) {
     return std::nullopt;
   }
 

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https://github.com/llvm/llvm-project/pull/160232


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