From 6c1f7a51b9e12e143bc2660c22293172f86ea014 Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Tue, 18 Sep 2018 01:47:25 +0000
Subject: [PATCH] [LLVM-C] Add support for ConstantExpr in LLVMGetNumIndices
 and LLVMGetIndices

Summary:
ConstantExpr supports getIndices, but prior to this patch
LLVMGetNumIndices and LLVMGetIndices would error on them.

Reviewers: whitequark

Reviewed By: whitequark

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D52206

llvm-svn: 342434
---
 llvm/lib/IR/Core.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/llvm/lib/IR/Core.cpp b/llvm/lib/IR/Core.cpp
index 617d1c1..3a6f566 100644
--- a/llvm/lib/IR/Core.cpp
+++ b/llvm/lib/IR/Core.cpp
@@ -2632,6 +2632,8 @@ unsigned LLVMGetNumIndices(LLVMValueRef Inst) {
     return EV->getNumIndices();
   if (auto *IV = dyn_cast<InsertValueInst>(I))
     return IV->getNumIndices();
+  if (auto *CE = dyn_cast<ConstantExpr>(I))
+    return CE->getIndices().size();
   llvm_unreachable(
     "LLVMGetNumIndices applies only to extractvalue and insertvalue!");
 }
@@ -2642,6 +2644,8 @@ const unsigned *LLVMGetIndices(LLVMValueRef Inst) {
     return EV->getIndices().data();
   if (auto *IV = dyn_cast<InsertValueInst>(I))
     return IV->getIndices().data();
+  if (auto *CE = dyn_cast<ConstantExpr>(I))
+    return CE->getIndices().data();
   llvm_unreachable(
     "LLVMGetIndices applies only to extractvalue and insertvalue!");
 }
-- 
2.7.4