diff mbox

[v3,24/30] llvm: add support for OP_NEG

Message ID 20170319014227.8833-25-luc.vanoostenryck@gmail.com (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Luc Van Oostenryck March 19, 2017, 1:42 a.m. UTC 
sparse-llvm has not yet support for OP_NEG and stop on an assert
if one is encountered.

Fix this by invoking the appropriate LLVMBuild[F]Neg().

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 57445e83e..833fb20df 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 (is_float_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;