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| author | gingerBill <bill@gingerbill.org> | 2021-03-29 14:11:02 +0100 |
|---|---|---|
| committer | gingerBill <bill@gingerbill.org> | 2021-03-29 14:11:02 +0100 |
| commit | 48767301a447dde41f00c2f78dc7041882980cf1 (patch) | |
| tree | 2c7c42a12c5b88e7d4d69ce23b03618e03e3f215 /src/llvm_backend.cpp | |
| parent | 253a3edd302d2a98f211fc167ff9c30b78bf9ee2 (diff) | |
Another minor change to `OdinLLVMBuildTransmute` regarding minimum source alignment
Diffstat (limited to 'src/llvm_backend.cpp')
| -rw-r--r-- | src/llvm_backend.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/llvm_backend.cpp b/src/llvm_backend.cpp index 1a80eec0f..2ce647b84 100644 --- a/src/llvm_backend.cpp +++ b/src/llvm_backend.cpp @@ -2824,6 +2824,10 @@ LLVMValueRef OdinLLVMBuildTransmute(lbProcedure *p, LLVMValueRef val, LLVMTypeRe i64 dst_size = lb_sizeof(dst_type); i64 src_align = lb_alignof(src_type); i64 dst_align = lb_alignof(dst_type); + if (LLVMIsALoadInst(val)) { + src_align = gb_min(src_align, LLVMGetAlignment(val)); + } + LLVMTypeKind src_kind = LLVMGetTypeKind(src_type); LLVMTypeKind dst_kind = LLVMGetTypeKind(dst_type); @@ -2861,7 +2865,7 @@ LLVMValueRef OdinLLVMBuildTransmute(lbProcedure *p, LLVMValueRef val, LLVMTypeRe } general_end:; - if (LLVMIsALoadInst(val) && src_size >= dst_size) { + if (LLVMIsALoadInst(val) && (src_size >= dst_size && src_align >= dst_align)) { LLVMValueRef val_ptr = LLVMGetOperand(val, 0); val_ptr = LLVMBuildPointerCast(p->builder, val_ptr, LLVMPointerType(dst_type, 0), ""); LLVMValueRef loaded_val = LLVMBuildLoad(p->builder, val_ptr, ""); |