diff options
Diffstat (limited to 'src/backend/jit/llvm/llvmjit_deform.c')
| -rw-r--r-- | src/backend/jit/llvm/llvmjit_deform.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/backend/jit/llvm/llvmjit_deform.c b/src/backend/jit/llvm/llvmjit_deform.c index 795f67114e6..e406d392d4e 100644 --- a/src/backend/jit/llvm/llvmjit_deform.c +++ b/src/backend/jit/llvm/llvmjit_deform.c @@ -208,10 +208,16 @@ slot_compile_deform(LLVMJitContext *context, TupleDesc desc, int natts) v_infomask2, "maxatt"); + /* + * Need to zext, as getelementptr otherwise treats hoff as a signed 8bit + * integer, which'd yield a negative offset for t_hoff > 127. + */ v_hoff = - l_load_struct_gep(b, v_tuplep, - FIELDNO_HEAPTUPLEHEADERDATA_HOFF, - "t_hoff"); + LLVMBuildZExt(b, + l_load_struct_gep(b, v_tuplep, + FIELDNO_HEAPTUPLEHEADERDATA_HOFF, + ""), + LLVMInt32Type(), "t_hoff"); v_tupdata_base = LLVMBuildGEP(b, |