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| author | Manman Ren <manman.ren@gmail.com> | 2016-04-05 22:41:47 +0000 |
|---|---|---|
| committer | Manman Ren <manman.ren@gmail.com> | 2016-04-05 22:41:47 +0000 |
| commit | f8bdd88cd95e5387ad853874fe2db38edfe76c41 (patch) | |
| tree | 7f88b60ee4a22d582863e8f217011605bfc8834a /llvm/lib/Target | |
| parent | 64bba01a6346c726b7ca0acf11d694308d25f2a0 (diff) | |
| download | bcm5719-llvm-f8bdd88cd95e5387ad853874fe2db38edfe76c41.tar.gz bcm5719-llvm-f8bdd88cd95e5387ad853874fe2db38edfe76c41.zip | |
Swift Calling Convention: add swiftcc.
Differential Revision: http://reviews.llvm.org/D17863
llvm-svn: 265480
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86CallingConv.td | 21 | ||||
| -rw-r--r-- | llvm/lib/Target/X86/X86FastISel.cpp | 1 |
2 files changed, 22 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86CallingConv.td b/llvm/lib/Target/X86/X86CallingConv.td index f02a96665d4..508c7bee4e6 100644 --- a/llvm/lib/Target/X86/X86CallingConv.td +++ b/llvm/lib/Target/X86/X86CallingConv.td @@ -192,6 +192,24 @@ def RetCC_X86_64_WebKit_JS : CallingConv<[ CCIfType<[i64], CCAssignToReg<[RAX]>> ]>; +def RetCC_X86_64_Swift : CallingConv<[ + // For integers, ECX, R8D can be used as extra return registers. + CCIfType<[i1], CCPromoteToType<i8>>, + CCIfType<[i8] , CCAssignToReg<[AL, DL, CL, R8B]>>, + CCIfType<[i16], CCAssignToReg<[AX, DX, CX, R8W]>>, + CCIfType<[i32], CCAssignToReg<[EAX, EDX, ECX, R8D]>>, + CCIfType<[i64], CCAssignToReg<[RAX, RDX, RCX, R8]>>, + + // XMM0, XMM1, XMM2 and XMM3 can be used to return FP values. + CCIfType<[f32], CCAssignToReg<[XMM0, XMM1, XMM2, XMM3]>>, + CCIfType<[f64], CCAssignToReg<[XMM0, XMM1, XMM2, XMM3]>>, + CCIfType<[f128], CCAssignToReg<[XMM0, XMM1, XMM2, XMM3]>>, + + // MMX vector types are returned in XMM0, XMM1, XMM2 and XMM3. + CCIfType<[x86mmx], CCAssignToReg<[XMM0, XMM1, XMM2, XMM3]>>, + CCDelegateTo<RetCC_X86Common> +]>; + // X86-64 AnyReg return-value convention. No explicit register is specified for // the return-value. The register allocator is allowed and expected to choose // any free register. @@ -234,6 +252,9 @@ def RetCC_X86_64 : CallingConv<[ CCIfCC<"CallingConv::WebKit_JS", CCDelegateTo<RetCC_X86_64_WebKit_JS>>, CCIfCC<"CallingConv::AnyReg", CCDelegateTo<RetCC_X86_64_AnyReg>>, + // Handle Swift calls. + CCIfCC<"CallingConv::Swift", CCDelegateTo<RetCC_X86_64_Swift>>, + // Handle explicit CC selection CCIfCC<"CallingConv::X86_64_Win64", CCDelegateTo<RetCC_X86_Win64_C>>, CCIfCC<"CallingConv::X86_64_SysV", CCDelegateTo<RetCC_X86_64_C>>, diff --git a/llvm/lib/Target/X86/X86FastISel.cpp b/llvm/lib/Target/X86/X86FastISel.cpp index 40e1c2feab5..c5ba8d4cbf2 100644 --- a/llvm/lib/Target/X86/X86FastISel.cpp +++ b/llvm/lib/Target/X86/X86FastISel.cpp @@ -2852,6 +2852,7 @@ bool X86FastISel::fastLowerCall(CallLoweringInfo &CLI) { case CallingConv::C: case CallingConv::Fast: case CallingConv::WebKit_JS: + case CallingConv::Swift: case CallingConv::X86_FastCall: case CallingConv::X86_64_Win64: case CallingConv::X86_64_SysV: |
