Magic-Mirror/llvm-capstone
1
0
Fork 0
mirror of https://github.com/capstone-engine/llvm-capstone.git synced 2025-04-01 12:43:47 +00:00
Code Issues Actions 5 Packages Projects Releases Wiki Activity

[CodeGen] Inline _byteswap_* builtins.

Browse Source 
As discussed in D57915.

Fixes https://github.com/llvm/llvm-project/issues/39999 .

Differential Revision: https://reviews.llvm.org/D121865
This commit is contained in:
Eli Friedman 2022-03-16 15:35:57 -07:00
parent 668d880f59
commit 04ba344176
2 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
clang/lib/CodeGen/CGBuiltin.cpp
View File

@ -2932,7 +2932,10 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl GD, unsigned BuiltinID,
}
case Builtin::BI__builtin_bswap16:
case Builtin::BI__builtin_bswap32:
case Builtin::BI__builtin_bswap64: {
case Builtin::BI__builtin_bswap64:
case Builtin::BI_byteswap_ushort:
case Builtin::BI_byteswap_ulong:
case Builtin::BI_byteswap_uint64: {
return RValue::get(emitUnaryBuiltin(*this, E, Intrinsic::bswap));
}
case Builtin::BI__builtin_bitreverse8:

8
clang/test/Headers/ms-arm64-intrin.cpp
View File

@ -2,7 +2,7 @@
// RUN: %clang_cc1 -triple arm64-windows -O1 \
// RUN: -fms-compatibility -fms-compatibility-version=17.00 \
// RUN: -ffreestanding -fsyntax-only -Werror \
// RUN: -fsyntax-only -Werror \
// RUN: -isystem %S/Inputs/include %s -S -o - -emit-llvm 2>&1 \
// RUN: | FileCheck %s
@ -14,16 +14,16 @@ void check_nop() {
}
unsigned short check_byteswap_ushort(unsigned short val) {
// CHECK: call i16 @_byteswap_ushort(i16 noundef %val)
// CHECK: call i16 @llvm.bswap.i16(i16 %val)
return _byteswap_ushort(val);
}
unsigned long check_byteswap_ulong(unsigned long val) {
// CHECK: call i32 @_byteswap_ulong(i32 noundef %val)
// CHECK: call i32 @llvm.bswap.i32(i32 %val)
return _byteswap_ulong(val);
}
unsigned __int64 check_byteswap_uint64(unsigned __int64 val) {
// CHECK: call i64 @_byteswap_uint64(i64 noundef %val)
// CHECK: call i64 @llvm.bswap.i64(i64 %val)
return _byteswap_uint64(val);
}