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[LLVM-C] Allow Specifying Signedness in Int Cast

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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

llvm-svn: 350607
This commit is contained in:
Robert Widmann 2019-01-08 06:23:22 +00:00
parent ab3dbc4187
commit ec267c7f86
2 changed files with 14 additions and 2 deletions
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9
include/llvm-c/Core.h
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@ -3633,11 +3633,16 @@ LLVMValueRef LLVMBuildCast(LLVMBuilderRef B, LLVMOpcode Op, LLVMValueRef Val,
LLVMTypeRef DestTy, const char *Name); LLVMTypeRef DestTy, const char *Name);
LLVMValueRef LLVMBuildPointerCast(LLVMBuilderRef, LLVMValueRef Val, LLVMValueRef LLVMBuildPointerCast(LLVMBuilderRef, LLVMValueRef Val,
LLVMTypeRef DestTy, const char *Name); LLVMTypeRef DestTy, const char *Name);
LLVMValueRef LLVMBuildIntCast(LLVMBuilderRef, LLVMValueRef Val, /*Signed cast!*/ LLVMValueRef LLVMBuildIntCast2(LLVMBuilderRef, LLVMValueRef Val,
LLVMTypeRef DestTy, const char *Name); LLVMTypeRef DestTy, LLVMBool IsSigned,
const char *Name, size_t NameLen);
LLVMValueRef LLVMBuildFPCast(LLVMBuilderRef, LLVMValueRef Val, LLVMValueRef LLVMBuildFPCast(LLVMBuilderRef, LLVMValueRef Val,
LLVMTypeRef DestTy, const char *Name); 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 */ /* Comparisons */
LLVMValueRef LLVMBuildICmp(LLVMBuilderRef, LLVMIntPredicate Op, LLVMValueRef LLVMBuildICmp(LLVMBuilderRef, LLVMIntPredicate Op,
LLVMValueRef LHS, LLVMValueRef RHS, LLVMValueRef LHS, LLVMValueRef RHS,

7
lib/IR/Core.cpp
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@ -3534,6 +3534,13 @@ LLVMValueRef LLVMBuildPointerCast(LLVMBuilderRef B, LLVMValueRef Val,
return wrap(unwrap(B)->CreatePointerCast(unwrap(Val), unwrap(DestTy), Name)); 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, LLVMValueRef LLVMBuildIntCast(LLVMBuilderRef B, LLVMValueRef Val,
LLVMTypeRef DestTy, const char *Name) { LLVMTypeRef DestTy, const char *Name) {
return wrap(unwrap(B)->CreateIntCast(unwrap(Val), unwrap(DestTy), return wrap(unwrap(B)->CreateIntCast(unwrap(Val), unwrap(DestTy),