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stage1: Compile error instead of falling back to C for unsupported cc

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This commit is contained in:
Tadeo Kondrak
2020-10-07 17:38:42 -06:00
committed by Vexu
parent 2b7781d82a
commit 6b9dc82fa5
2 changed files with 72 additions and 23 deletions
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40
src/stage1/codegen.cpp
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@@ -155,6 +155,7 @@ static const char *get_mangled_name(CodeGen *g, const char *original_name) {
}
}
// Sync this with emit_error_unless_callconv_allowed_for_target in analyze.cpp
static ZigLLVM_CallingConv get_llvm_cc(CodeGen *g, CallingConvention cc) {
switch (cc) {
case CallingConventionUnspecified:
@@ -164,38 +165,32 @@ static ZigLLVM_CallingConv get_llvm_cc(CodeGen *g, CallingConvention cc) {
case CallingConventionNaked:
zig_unreachable();
case CallingConventionStdcall:
if (g->zig_target->arch == ZigLLVM_x86)
return ZigLLVM_X86_StdCall;
return ZigLLVM_C;
assert(g->zig_target->arch == ZigLLVM_x86);
return ZigLLVM_X86_StdCall;
case CallingConventionFastcall:
if (g->zig_target->arch == ZigLLVM_x86)
return ZigLLVM_X86_FastCall;
return ZigLLVM_C;
assert(g->zig_target->arch == ZigLLVM_x86);
return ZigLLVM_X86_FastCall;
case CallingConventionVectorcall:
if (g->zig_target->arch == ZigLLVM_x86)
return ZigLLVM_X86_VectorCall;
if (target_is_arm(g->zig_target) &&
target_arch_pointer_bit_width(g->zig_target->arch) == 64)
return ZigLLVM_AArch64_VectorCall;
return ZigLLVM_C;
zig_unreachable();
case CallingConventionThiscall:
if (g->zig_target->arch == ZigLLVM_x86)
return ZigLLVM_X86_ThisCall;
return ZigLLVM_C;
assert(g->zig_target->arch == ZigLLVM_x86);
return ZigLLVM_X86_ThisCall;
case CallingConventionAsync:
return ZigLLVM_Fast;
case CallingConventionAPCS:
if (target_is_arm(g->zig_target))
return ZigLLVM_ARM_APCS;
return ZigLLVM_C;
assert(target_is_arm(g->zig_target));
return ZigLLVM_ARM_APCS;
case CallingConventionAAPCS:
if (target_is_arm(g->zig_target))
return ZigLLVM_ARM_AAPCS;
return ZigLLVM_C;
assert(target_is_arm(g->zig_target));
return ZigLLVM_ARM_AAPCS;
case CallingConventionAAPCSVFP:
if (target_is_arm(g->zig_target))
return ZigLLVM_ARM_AAPCS_VFP;
return ZigLLVM_C;
assert(target_is_arm(g->zig_target));
return ZigLLVM_ARM_AAPCS_VFP;
case CallingConventionInterrupt:
if (g->zig_target->arch == ZigLLVM_x86 ||
g->zig_target->arch == ZigLLVM_x86_64)
@@ -204,11 +199,10 @@ static ZigLLVM_CallingConv get_llvm_cc(CodeGen *g, CallingConvention cc) {
return ZigLLVM_AVR_INTR;
if (g->zig_target->arch == ZigLLVM_msp430)
return ZigLLVM_MSP430_INTR;
return ZigLLVM_C;
zig_unreachable();
case CallingConventionSignal:
if (g->zig_target->arch == ZigLLVM_avr)
return ZigLLVM_AVR_SIGNAL;
return ZigLLVM_C;
assert(g->zig_target->arch == ZigLLVM_avr);
return ZigLLVM_AVR_SIGNAL;
}
zig_unreachable();
}