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upstream rustc_codegen_ssa/rustc_middle changes for enzyme/autodiff

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This commit is contained in:
Manuel Drehwald 2025-01-29 21:31:13 -05:00
parent ebcf860e73
commit 1f30517d40
27 changed files with 482 additions and 38 deletions
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5
compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
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@ -955,7 +955,8 @@ extern "C" LLVMValueRef LLVMRustGetLastInstruction(LLVMBasicBlockRef BB) {
return nullptr;
}
extern "C" void LLVMRustEraseInstBefore(LLVMBasicBlockRef bb, LLVMValueRef I) {
extern "C" void LLVMRustEraseInstUntilInclusive(LLVMBasicBlockRef bb,
LLVMValueRef I) {
auto &BB = *unwrap(bb);
auto &Inst = *unwrap<Instruction>(I);
auto It = BB.begin();
@ -963,8 +964,6 @@ extern "C" void LLVMRustEraseInstBefore(LLVMBasicBlockRef bb, LLVMValueRef I) {
++It;
// Make sure we found the Instruction.
assert(It != BB.end());
// We don't want to erase the instruction itself.
It--;
// Delete in rev order to ensure no dangling references.
while (It != BB.begin()) {
auto Prev = std::prev(It);