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| author | Jeff Garzik <jeff@garzik.org> | 2011-08-30 23:01:59 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2011-08-30 23:01:59 -0400 |
| commit | 85c19bf76ed7a4ce82790bdb1526d8b45f9cb454 (patch) | |
| tree | fc1f84e89558191c6d2c9dfee6c54e45c3451f72 /sparse-llvm.c | |
| parent | 0c8f7c8757d13a8116832d083ed2d71b6b679d89 (diff) | |
| download | sparse-dev-85c19bf76ed7a4ce82790bdb1526d8b45f9cb454.tar.gz | |
sparse, llvm: move OP_COPY support to separate function. Add FP support.
Diffstat (limited to 'sparse-llvm.c')
| -rw-r--r-- | sparse-llvm.c | 42 |
1 files changed, 30 insertions, 12 deletions
diff --git a/sparse-llvm.c b/sparse-llvm.c index d3cb4f2e..41563833 100644 --- a/sparse-llvm.c +++ b/sparse-llvm.c @@ -637,6 +637,34 @@ static void output_op_cast(struct function *fn, struct instruction *insn, LLVMOp insn->target->priv = target; } +static void output_op_copy(struct function *fn, struct instruction *insn, + pseudo_t pseudo) +{ + LLVMValueRef src, target; + LLVMTypeRef const_type; + char target_name[64]; + + pseudo_name(insn->target, target_name); + src = pseudo_to_value(fn, insn, pseudo); + const_type = insn_symbol_type(insn); + + /* + * This is nothing more than 'target = src' + * + * TODO: find a better way to provide an identity function, + * than using "X + 0" simply to produce a new LLVM pseudo + */ + + if (symbol_is_fp_type(insn->type)) + target = LLVMBuildFAdd(fn->builder, src, + LLVMConstReal(const_type, 0.0), target_name); + else + target = LLVMBuildAdd(fn->builder, src, + LLVMConstInt(const_type, 0, 0), target_name); + + insn->target->priv = target; +} + static void output_insn(struct function *fn, struct instruction *insn) { switch (insn->opcode) { @@ -733,19 +761,9 @@ static void output_insn(struct function *fn, struct instruction *insn) case OP_ASM: assert(0); break; - case OP_COPY: { - LLVMValueRef src, target; - char target_name[64]; - - pseudo_name(insn->target, target_name); - src = pseudo_to_value(fn, insn, insn->src); - - target = LLVMBuildAdd(fn->builder, src, - LLVMConstInt(LLVMInt32Type(), 0, 0), target_name); - - insn->target->priv = target; + case OP_COPY: + output_op_copy(fn, insn, insn->src); break; - } default: break; } |