Make OP_PHISOURCE track the OP_PHI instructions that it defines.

This allows us to always see which pseudos are nonlocally affected
by the phi source.

We can only do this after the instruction flow is fixed, together
with the OP_DEATHNOTE phase.

1 files changed, 1 insertions, 1 deletions

diff --git a/simplify.c b/simplify.c
index 2d14b9d..2b4b3e2 100644
--- a/simplify.c
+++ b/simplify.c
@@ -662,7 +662,7 @@ int simplify_instruction(struct instruction *insn)
 		}
 		return clean_up_phi(insn);
 	case OP_PHISOURCE:
-		if (dead_insn(insn, &insn->src1, NULL, NULL))
+		if (dead_insn(insn, &insn->phi_src, NULL, NULL))
 			return REPEAT_CSE;
 		break;
 	case OP_SEL: