OP_COPY instructions are only introduced by the 'unSSA' phase
which is not used by sparse-llvm.
Remove the code which tried to handle this.
Cc: Azat Khuzhin <a3at.mail@xxxxxxxxx>
Cc: Xi Wang <xi.wang@xxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: Jeff Garzik <jeff@xxxxxxxxxx>
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
sparse-llvm.c | 30 +-----------------------------
1 file changed, 1 insertion(+), 29 deletions(-)
diff --git a/sparse-llvm.c b/sparse-llvm.c
index 6b41afd8..5af473a3 100644
--- a/sparse-llvm.c
+++ b/sparse-llvm.c
@@ -788,34 +788,6 @@ 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(fn->module, 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) {
@@ -914,7 +886,7 @@ static void output_insn(struct function *fn, struct instruction *insn)
assert(0);
break;
case OP_COPY:
- output_op_copy(fn, insn, insn->src);
+ assert(0);
break;
default:
break;
--
2.10.2
--
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