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stage2 llvm: do not use getIntrinsic for airFrameAddress

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getIntrinsic gets the return type wrong so we have to add the function manually
This commit is contained in:
Veikka Tuominen 2022-03-12 12:33:32 +02:00
parent a3cfb15fb4
commit 487ee79ec9
2 changed files with 8 additions and 2 deletions
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1
lib/std/debug.zig
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@ -1630,7 +1630,6 @@ fn getSymbolFromDwarf(address: u64, di: *DW.DwarfInfo) !SymbolInfo {
.symbol_name = nosuspend di.getSymbolName(address) orelse "???",
.compile_unit_name = compile_unit.die.getAttrString(di, DW.AT.name) catch |err| switch (err) {
error.MissingDebugInfo, error.InvalidDebugInfo => "???",
else => return err,
},
.line_info = nosuspend di.getLineNumberInfo(compile_unit.*, address) catch |err| switch (err) {
error.MissingDebugInfo, error.InvalidDebugInfo => null,

9
src/codegen/llvm.zig
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@ -5347,7 +5347,14 @@ pub const FuncGen = struct {
if (self.liveness.isUnused(inst)) return null;
const llvm_i32 = self.context.intType(32);
const llvm_fn = self.getIntrinsic("llvm.frameaddress", &.{llvm_i32});
const llvm_fn_name = "llvm.frameaddress.p0i8";
const llvm_fn = self.dg.object.llvm_module.getNamedFunction(llvm_fn_name) orelse blk: {
const llvm_p0i8 = self.context.intType(8).pointerType(0);
const param_types = [_]*const llvm.Type{llvm_i32};
const fn_type = llvm.functionType(llvm_p0i8, &param_types, param_types.len, .False);
break :blk self.dg.object.llvm_module.addFunction(llvm_fn_name, fn_type);
};
const params = [_]*const llvm.Value{llvm_i32.constNull()};
const ptr_val = self.builder.buildCall(llvm_fn, &params, params.len, .Fast, .Auto, "");
const llvm_usize = try self.dg.llvmType(Type.usize);