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Fix LLVM code generation error in List comparsion #2697

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Merged
merged 2 commits into from
May 12, 2024
Merged

Fix LLVM code generation error in List comparsion #2697

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666a58d
Adjust insert point for correct alloca positioning
hankluo6 May 11, 2024
f3857e7
Add integration test
hankluo6 May 11, 2024
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1 change: 1 addition & 0 deletions integration_tests/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -555,6 +555,7 @@ RUN(NAME test_list_pop LABELS cpython llvm llvm_jit NOFAST) # TODO: Remove
RUN(NAME test_list_pop2 LABELS cpython llvm llvm_jit NOFAST) # TODO: Remove NOFAST from here.
RUN(NAME test_list_pop3 LABELS cpython llvm llvm_jit)
RUN(NAME test_list_compare LABELS cpython llvm llvm_jit)
RUN(NAME test_list_compare2 LABELS cpython llvm llvm_jit)
RUN(NAME test_list_concat LABELS cpython llvm llvm_jit c NOFAST)
RUN(NAME test_list_reserve LABELS cpython llvm llvm_jit)
RUN(NAME test_const_list LABELS cpython llvm llvm_jit)
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8 changes: 8 additions & 0 deletions integration_tests/test_list_compare2.py
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@@ -0,0 +1,8 @@
from lpython import i32

x: list[i32] = [1, 2, 3, 4]
y: list[i32] = [5, 6, 7, 8]
z: list[i32] = [1, 2, 3, 4]

assert(x != y)
assert(x == z)
2 changes: 2 additions & 0 deletions src/libasr/codegen/llvm_utils.cpp
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Expand Up @@ -4985,6 +4985,7 @@ namespace LCompilers {
llvm::BasicBlock *mergeBB = llvm::BasicBlock::Create(context, "ifcont");
builder->CreateCondBr(cond, thenBB, elseBB);
builder->SetInsertPoint(thenBB);
builder0.SetInsertPoint(&entry_block, entry_block.getFirstInsertionPt());
llvm::AllocaInst *idx = builder0.CreateAlloca(llvm::Type::getInt32Ty(context), nullptr);
LLVM::CreateStore(*builder, llvm::ConstantInt::get(
context, llvm::APInt(32, 0)), idx);
Expand Down Expand Up @@ -5066,6 +5067,7 @@ namespace LCompilers {

llvm::Value *a_len = llvm_utils->list_api->len(l1);
llvm::Value *b_len = llvm_utils->list_api->len(l2);
builder0.SetInsertPoint(&entry_block, entry_block.getFirstInsertionPt());
llvm::AllocaInst *idx = builder0.CreateAlloca(llvm::Type::getInt32Ty(context), nullptr);
LLVM::CreateStore(*builder, llvm::ConstantInt::get(
context, llvm::APInt(32, 0)), idx);
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