diff options
| author | Richard Osborne <richard@xmos.com> | 2009-08-18 21:14:31 +0000 |
|---|---|---|
| committer | Richard Osborne <richard@xmos.com> | 2009-08-18 21:14:31 +0000 |
| commit | 1123135dbfa776bbe4c2120a16098d81e0850a76 (patch) | |
| tree | dd62ebff8682c94a35a553a091f474f27af27973 | |
| parent | 3731604f1f73cb29a9554660b27aecba1c5c032b (diff) | |
Add support for mergeable sections back into the XCore backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79368 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/XCore/XCoreTargetObjectFile.cpp | 23 | ||||
| -rw-r--r-- | test/CodeGen/XCore/constants.ll | 2 | ||||
| -rw-r--r-- | test/CodeGen/XCore/globals.ll | 2 |
3 files changed, 20 insertions, 7 deletions
diff --git a/lib/Target/XCore/XCoreTargetObjectFile.cpp b/lib/Target/XCore/XCoreTargetObjectFile.cpp index 91cb11533d..c1990d6d0f 100644 --- a/lib/Target/XCore/XCoreTargetObjectFile.cpp +++ b/lib/Target/XCore/XCoreTargetObjectFile.cpp @@ -28,11 +28,24 @@ void XCoreTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM){ MCSectionXCore::SHF_DP_SECTION, SectionKind::getBSS(), false, getContext()); - // For now, disable lowering of mergable sections, just drop everything into - // ReadOnly. - MergeableConst4Section = 0; - MergeableConst8Section = 0; - MergeableConst16Section = 0; + MergeableConst4Section = + MCSectionXCore::Create(".cp.rodata.cst4", MCSectionELF::SHT_PROGBITS, + MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE | + MCSectionXCore::SHF_CP_SECTION, + SectionKind::getMergeableConst4(), false, + getContext()); + MergeableConst8Section = + MCSectionXCore::Create(".cp.rodata.cst8", MCSectionELF::SHT_PROGBITS, + MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE | + MCSectionXCore::SHF_CP_SECTION, + SectionKind::getMergeableConst8(), false, + getContext()); + MergeableConst16Section = + MCSectionXCore::Create(".cp.rodata.cst16", MCSectionELF::SHT_PROGBITS, + MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE | + MCSectionXCore::SHF_CP_SECTION, + SectionKind::getMergeableConst16(), false, + getContext()); // TLS globals are lowered in the backend to arrays indexed by the current // thread id. After lowering they require no special handling by the linker diff --git a/test/CodeGen/XCore/constants.ll b/test/CodeGen/XCore/constants.ll index 2aee6a26c4..8ba8b5c6a7 100644 --- a/test/CodeGen/XCore/constants.ll +++ b/test/CodeGen/XCore/constants.ll @@ -1,6 +1,6 @@ ; RUN: llvm-as < %s | llc -march=xcore -mcpu=xs1b-generic | FileCheck %s -; CHECK: .section .cp.rodata,"ac",@progbits +; CHECK: .section .cp.rodata.cst4,"aMc",@progbits,4 ; CHECK: .LCPI1_0: ; CHECK: .long 12345678 ; CHECK: f: diff --git a/test/CodeGen/XCore/globals.ll b/test/CodeGen/XCore/globals.ll index 8cb2ef3669..9bc0f53de7 100644 --- a/test/CodeGen/XCore/globals.ll +++ b/test/CodeGen/XCore/globals.ll @@ -68,7 +68,7 @@ entry: ; CHECK: G2: @G3 = constant i32 9401 -; CHECK: .section .cp.rodata,"ac",@progbits +; CHECK: .section .cp.rodata.cst4,"aMc",@progbits,4 ; CHECK: G3: @G4 = global i32* @G1 |