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Implement the callconv() annotation

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This commit is contained in:
LemonBoy
2019-12-23 21:52:06 +01:00
parent 7bd80f2071
commit 563d9ebfe5
50 changed files with 573 additions and 359 deletions
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57
src/codegen.cpp
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@@ -284,14 +284,43 @@ static LLVMCallConv get_llvm_cc(CodeGen *g, CallingConvention cc) {
case CallingConventionNaked:
zig_unreachable();
case CallingConventionStdcall:
// stdcall calling convention only works on x86.
if (g->zig_target->arch == ZigLLVM_x86) {
if (g->zig_target->arch == ZigLLVM_x86)
return LLVMX86StdcallCallConv;
} else {
return LLVMCCallConv;
}
return LLVMCCallConv;
case CallingConventionFastcall:
if (g->zig_target->arch == ZigLLVM_x86)
return LLVMX86FastcallCallConv;
return LLVMFastCallConv;
case CallingConventionVectorcall:
if (g->zig_target->arch == ZigLLVM_x86)
return LLVMX86VectorCallCallConv;
return LLVMCCallConv;
case CallingConventionAsync:
return LLVMFastCallConv;
case CallingConventionAPCS:
if (target_is_arm(g->zig_target))
return LLVMARMAPCSCallConv;
return LLVMCCallConv;
case CallingConventionAAPCS:
if (target_is_arm(g->zig_target))
return LLVMARMAAPCSCallConv;
return LLVMCCallConv;
case CallingConventionAAPCSVFP:
if (target_is_arm(g->zig_target))
return LLVMARMAAPCSVFPCallConv;
return LLVMCCallConv;
case CallingConventionInterrupt:
if (g->zig_target->arch == ZigLLVM_x86 || g->zig_target->arch == ZigLLVM_x86_64)
return LLVMX86INTRCallConv;
if (g->zig_target->arch == ZigLLVM_avr)
return LLVMAVRINTRCallConv;
if (g->zig_target->arch == ZigLLVM_msp430)
return LLVMMSP430INTRCallConv;
return LLVMCCallConv;
case CallingConventionSignal:
if (g->zig_target->arch == ZigLLVM_avr)
return LLVMAVRSIGNALCallConv;
return LLVMCCallConv;
}
zig_unreachable();
}
@@ -383,7 +412,14 @@ static bool cc_want_sret_attr(CallingConvention cc) {
zig_unreachable();
case CallingConventionC:
case CallingConventionCold:
case CallingConventionInterrupt:
case CallingConventionSignal:
case CallingConventionStdcall:
case CallingConventionFastcall:
case CallingConventionVectorcall:
case CallingConventionAPCS:
case CallingConventionAAPCS:
case CallingConventionAAPCSVFP:
return true;
case CallingConventionAsync:
case CallingConventionUnspecified:
@@ -8463,8 +8499,15 @@ Buf *codegen_generate_builtin_source(CodeGen *g) {
static_assert(CallingConventionC == 1, "");
static_assert(CallingConventionCold == 2, "");
static_assert(CallingConventionNaked == 3, "");
static_assert(CallingConventionStdcall == 4, "");
static_assert(CallingConventionAsync == 5, "");
static_assert(CallingConventionAsync == 4, "");
static_assert(CallingConventionInterrupt == 5, "");
static_assert(CallingConventionSignal == 6, "");
static_assert(CallingConventionStdcall == 7, "");
static_assert(CallingConventionFastcall == 8, "");
static_assert(CallingConventionVectorcall == 9, "");
static_assert(CallingConventionAPCS == 10, "");
static_assert(CallingConventionAAPCS == 11, "");
static_assert(CallingConventionAAPCSVFP == 12, "");
static_assert(FnInlineAuto == 0, "");
static_assert(FnInlineAlways == 1, "");