sparse-llvm has not yet support for OP_NEG (which
need to be done via a subtraction from zero).
Fix this by issuing the appropriate substraction.
CC: Dibyendu Majumdar <mobile@xxxxxxxxxxxxxxx>
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
sparse-llvm.c | 17 +++++++++++++++--
1 file changed, 15 insertions(+), 2 deletions(-)
diff --git a/sparse-llvm.c b/sparse-llvm.c
index ee374b217..c489009a6 100644
--- a/sparse-llvm.c
+++ b/sparse-llvm.c
@@ -951,9 +951,22 @@ static void output_insn(struct function *fn, struct instruction *insn)
insn->target->priv = target;
break;
}
- case OP_NEG:
- assert(0);
+ case OP_NEG: {
+ LLVMValueRef src, target;
+ char target_name[64];
+
+ src = pseudo_to_value(fn, insn, insn->src);
+
+ pseudo_name(insn->target, target_name);
+
+ if (symbol_is_fp_type(insn->type))
+ target = LLVMBuildFNeg(fn->builder, src, target_name);
+ else
+ target = LLVMBuildNeg(fn->builder, src, target_name);
+
+ insn->target->priv = target;
break;
+ }
case OP_CONTEXT:
assert(0);
break;
--
2.11.1
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