From 3faabbbe85d51f5efb1f3f540fe7b81916144a2e Mon Sep 17 00:00:00 2001 From: Daniel Neilson Date: Fri, 16 Jun 2017 14:43:59 +0000 Subject: [Atomics] Rename and change prototype for atomic memcpy intrinsic Summary: Background: http://lists.llvm.org/pipermail/llvm-dev/2017-May/112779.html This change is to alter the prototype for the atomic memcpy intrinsic. The prototype itself is being changed to more closely resemble the semantics and parameters of the llvm.memcpy intrinsic -- to ease later combination of the llvm.memcpy and atomic memcpy intrinsics. Furthermore, the name of the atomic memcpy intrinsic is being changed to make it clear that it is not a generic atomic memcpy, but specifically a memcpy is unordered atomic. Reviewers: reames, sanjoy, efriedma Reviewed By: reames Subscribers: mzolotukhin, anna, llvm-commits, skatkov Differential Revision: https://reviews.llvm.org/D33240 llvm-svn: 305558 --- llvm/lib/CodeGen/TargetLoweringBase.cpp | 28 ++++++++++++++++------------ 1 file changed, 16 insertions(+), 12 deletions(-) (limited to 'llvm/lib/CodeGen/TargetLoweringBase.cpp') diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp index 581cfaf..e9d38c1 100644 --- a/llvm/lib/CodeGen/TargetLoweringBase.cpp +++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp @@ -374,11 +374,16 @@ static void InitLibcallNames(const char **Names, const Triple &TT) { Names[RTLIB::MEMCPY] = "memcpy"; Names[RTLIB::MEMMOVE] = "memmove"; Names[RTLIB::MEMSET] = "memset"; - Names[RTLIB::MEMCPY_ELEMENT_ATOMIC_1] = "__llvm_memcpy_element_atomic_1"; - Names[RTLIB::MEMCPY_ELEMENT_ATOMIC_2] = "__llvm_memcpy_element_atomic_2"; - Names[RTLIB::MEMCPY_ELEMENT_ATOMIC_4] = "__llvm_memcpy_element_atomic_4"; - Names[RTLIB::MEMCPY_ELEMENT_ATOMIC_8] = "__llvm_memcpy_element_atomic_8"; - Names[RTLIB::MEMCPY_ELEMENT_ATOMIC_16] = "__llvm_memcpy_element_atomic_16"; + Names[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_1] = + "__llvm_memcpy_element_unordered_atomic_1"; + Names[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_2] = + "__llvm_memcpy_element_unordered_atomic_2"; + Names[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_4] = + "__llvm_memcpy_element_unordered_atomic_4"; + Names[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_8] = + "__llvm_memcpy_element_unordered_atomic_8"; + Names[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_16] = + "__llvm_memcpy_element_unordered_atomic_16"; Names[RTLIB::UNWIND_RESUME] = "_Unwind_Resume"; Names[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_1] = "__sync_val_compare_and_swap_1"; Names[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_2] = "__sync_val_compare_and_swap_2"; @@ -781,22 +786,21 @@ RTLIB::Libcall RTLIB::getSYNC(unsigned Opc, MVT VT) { return UNKNOWN_LIBCALL; } -RTLIB::Libcall RTLIB::getMEMCPY_ELEMENT_ATOMIC(uint64_t ElementSize) { +RTLIB::Libcall RTLIB::getMEMCPY_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize) { switch (ElementSize) { case 1: - return MEMCPY_ELEMENT_ATOMIC_1; + return MEMCPY_ELEMENT_UNORDERED_ATOMIC_1; case 2: - return MEMCPY_ELEMENT_ATOMIC_2; + return MEMCPY_ELEMENT_UNORDERED_ATOMIC_2; case 4: - return MEMCPY_ELEMENT_ATOMIC_4; + return MEMCPY_ELEMENT_UNORDERED_ATOMIC_4; case 8: - return MEMCPY_ELEMENT_ATOMIC_8; + return MEMCPY_ELEMENT_UNORDERED_ATOMIC_8; case 16: - return MEMCPY_ELEMENT_ATOMIC_16; + return MEMCPY_ELEMENT_UNORDERED_ATOMIC_16; default: return UNKNOWN_LIBCALL; } - } /// InitCmpLibcallCCs - Set default comparison libcall CC. -- cgit v1.1