diff mbox

llvm: add support for OP_NEG

Message ID 20170303102332.43997-1-luc.vanoostenryck@gmail.com (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Luc Van Oostenryck March 3, 2017, 10:23 a.m. UTC 
CC: Dibyendu Majumdar <mobile@majumdar.org.uk>
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
---
 sparse-llvm.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/sparse-llvm.c b/sparse-llvm.c
index fac19713a..2feff885f 100644
--- a/sparse-llvm.c
+++ b/sparse-llvm.c
@@ -950,9 +950,22 @@  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;