From: Robert Widmann <devteam.codafi@gmail.com>
Date: Tue, 8 Jan 2019 06:23:22 +0000 (+0000)
Subject: [LLVM-C] Allow Specifying Signedness in Int Cast
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=655bef92b0cd0d693e2fff0a17a7b1c78b3b95d3;p=llvm

[LLVM-C] Allow Specifying Signedness in Int Cast

Summary: Fix an old outstanding problem with the int cast builder binding always assuming the cast is signed by introducing a new LLVMBuildIntCast2 operation and deprecating the old prototype.

Reviewers: whitequark, deadalnix

Reviewed By: whitequark

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D56280

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@350607 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm-c/Core.h b/include/llvm-c/Core.h
index 00911fed824..264cf838536 100644
--- a/include/llvm-c/Core.h
+++ b/include/llvm-c/Core.h
@@ -3633,11 +3633,16 @@ LLVMValueRef LLVMBuildCast(LLVMBuilderRef B, LLVMOpcode Op, LLVMValueRef Val,
                            LLVMTypeRef DestTy, const char *Name);
 LLVMValueRef LLVMBuildPointerCast(LLVMBuilderRef, LLVMValueRef Val,
                                   LLVMTypeRef DestTy, const char *Name);
-LLVMValueRef LLVMBuildIntCast(LLVMBuilderRef, LLVMValueRef Val, /*Signed cast!*/
-                              LLVMTypeRef DestTy, const char *Name);
+LLVMValueRef LLVMBuildIntCast2(LLVMBuilderRef, LLVMValueRef Val,
+                               LLVMTypeRef DestTy, LLVMBool IsSigned,
+                               const char *Name, size_t NameLen);
 LLVMValueRef LLVMBuildFPCast(LLVMBuilderRef, LLVMValueRef Val,
                              LLVMTypeRef DestTy, const char *Name);
 
+/** Deprecated: This cast is always signed. Use LLVMBuildIntCast2 instead. */
+LLVMValueRef LLVMBuildIntCast(LLVMBuilderRef, LLVMValueRef Val, /*Signed cast!*/
+                              LLVMTypeRef DestTy, const char *Name);
+
 /* Comparisons */
 LLVMValueRef LLVMBuildICmp(LLVMBuilderRef, LLVMIntPredicate Op,
                            LLVMValueRef LHS, LLVMValueRef RHS,
diff --git a/lib/IR/Core.cpp b/lib/IR/Core.cpp
index 4064b674fa0..921c830cbf7 100644
--- a/lib/IR/Core.cpp
+++ b/lib/IR/Core.cpp
@@ -3534,6 +3534,13 @@ LLVMValueRef LLVMBuildPointerCast(LLVMBuilderRef B, LLVMValueRef Val,
   return wrap(unwrap(B)->CreatePointerCast(unwrap(Val), unwrap(DestTy), Name));
 }
 
+LLVMValueRef LLVMBuildIntCast2(LLVMBuilderRef B, LLVMValueRef Val,
+                               LLVMTypeRef DestTy, LLVMBool IsSigned,
+                               const char *Name, size_t NameLen) {
+  return wrap(unwrap(B)->CreateIntCast(unwrap(Val), unwrap(DestTy),
+                                       IsSigned, StringRef(Name, NameLen)));
+}
+
 LLVMValueRef LLVMBuildIntCast(LLVMBuilderRef B, LLVMValueRef Val,
                               LLVMTypeRef DestTy, const char *Name) {
   return wrap(unwrap(B)->CreateIntCast(unwrap(Val), unwrap(DestTy),