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-rw-r--r--src/Compilation.zig9
-rw-r--r--src/Module.zig4
-rw-r--r--src/codegen/llvm.zig31
-rw-r--r--src/codegen/llvm/bindings.zig3
-rw-r--r--src/glibc.zig1
-rw-r--r--src/libcxx.zig2
-rw-r--r--src/libtsan.zig1
-rw-r--r--src/libunwind.zig1
-rw-r--r--src/main.zig23
9 files changed, 61 insertions, 14 deletions
diff --git a/src/Compilation.zig b/src/Compilation.zig
index 89512ce744..858afb6ca3 100644
--- a/src/Compilation.zig
+++ b/src/Compilation.zig
@@ -86,7 +86,8 @@ clang_preprocessor_mode: ClangPreprocessorMode,
/// Whether to print clang argvs to stdout.
verbose_cc: bool,
verbose_air: bool,
-verbose_llvm_ir: bool,
+verbose_llvm_ir: ?[]const u8,
+verbose_llvm_bc: ?[]const u8,
verbose_cimport: bool,
verbose_llvm_cpu_features: bool,
disable_c_depfile: bool,
@@ -585,7 +586,8 @@ pub const InitOptions = struct {
verbose_cc: bool = false,
verbose_link: bool = false,
verbose_air: bool = false,
- verbose_llvm_ir: bool = false,
+ verbose_llvm_ir: ?[]const u8 = null,
+ verbose_llvm_bc: ?[]const u8 = null,
verbose_cimport: bool = false,
verbose_llvm_cpu_features: bool = false,
is_test: bool = false,
@@ -1559,6 +1561,7 @@ pub fn create(gpa: Allocator, options: InitOptions) !*Compilation {
.verbose_cc = options.verbose_cc,
.verbose_air = options.verbose_air,
.verbose_llvm_ir = options.verbose_llvm_ir,
+ .verbose_llvm_bc = options.verbose_llvm_bc,
.verbose_cimport = options.verbose_cimport,
.verbose_llvm_cpu_features = options.verbose_llvm_cpu_features,
.disable_c_depfile = options.disable_c_depfile,
@@ -5342,6 +5345,7 @@ fn buildOutputFromZig(
.verbose_link = comp.bin_file.options.verbose_link,
.verbose_air = comp.verbose_air,
.verbose_llvm_ir = comp.verbose_llvm_ir,
+ .verbose_llvm_bc = comp.verbose_llvm_bc,
.verbose_cimport = comp.verbose_cimport,
.verbose_llvm_cpu_features = comp.verbose_llvm_cpu_features,
.clang_passthrough_mode = comp.clang_passthrough_mode,
@@ -5419,6 +5423,7 @@ pub fn build_crt_file(
.verbose_link = comp.bin_file.options.verbose_link,
.verbose_air = comp.verbose_air,
.verbose_llvm_ir = comp.verbose_llvm_ir,
+ .verbose_llvm_bc = comp.verbose_llvm_bc,
.verbose_cimport = comp.verbose_cimport,
.verbose_llvm_cpu_features = comp.verbose_llvm_cpu_features,
.clang_passthrough_mode = comp.clang_passthrough_mode,
diff --git a/src/Module.zig b/src/Module.zig
index c47e4fc234..17016865d1 100644
--- a/src/Module.zig
+++ b/src/Module.zig
@@ -4263,7 +4263,7 @@ pub fn ensureFuncBodyAnalyzed(mod: *Module, func: *Fn) SemaError!void {
comp.emit_llvm_bc == null);
const dump_air = builtin.mode == .Debug and comp.verbose_air;
- const dump_llvm_ir = builtin.mode == .Debug and comp.verbose_llvm_ir;
+ const dump_llvm_ir = builtin.mode == .Debug and (comp.verbose_llvm_ir != null or comp.verbose_llvm_bc != null);
if (no_bin_file and !dump_air and !dump_llvm_ir) return;
@@ -6395,7 +6395,7 @@ pub fn linkerUpdateDecl(mod: *Module, decl_index: Decl.Index) !void {
comp.emit_llvm_ir == null and
comp.emit_llvm_bc == null);
- const dump_llvm_ir = builtin.mode == .Debug and comp.verbose_llvm_ir;
+ const dump_llvm_ir = builtin.mode == .Debug and (comp.verbose_llvm_ir != null or comp.verbose_llvm_bc != null);
if (no_bin_file and !dump_llvm_ir) return;
diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig
index 85a82f4eda..11fc44747e 100644
--- a/src/codegen/llvm.zig
+++ b/src/codegen/llvm.zig
@@ -751,8 +751,35 @@ pub const Object = struct {
dib.finalize();
}
- if (comp.verbose_llvm_ir) {
- self.llvm_module.dump();
+ if (comp.verbose_llvm_ir) |path| {
+ if (std.mem.eql(u8, path, "-")) {
+ self.llvm_module.dump();
+ } else {
+ const path_z = try comp.gpa.dupeZ(u8, path);
+ defer comp.gpa.free(path_z);
+
+ var error_message: [*:0]const u8 = undefined;
+
+ if (self.llvm_module.printModuleToFile(path_z, &error_message).toBool()) {
+ defer llvm.disposeMessage(error_message);
+
+ log.err("dump LLVM module failed ir={s}: {s}", .{
+ path, error_message,
+ });
+ }
+ }
+ }
+
+ if (comp.verbose_llvm_bc) |path| {
+ const path_z = try comp.gpa.dupeZ(u8, path);
+ defer comp.gpa.free(path_z);
+
+ const error_code = self.llvm_module.writeBitcodeToFile(path_z);
+ if (error_code != 0) {
+ log.err("dump LLVM module failed bc={s}: {d}", .{
+ path, error_code,
+ });
+ }
}
var arena_allocator = std.heap.ArenaAllocator.init(comp.gpa);
diff --git a/src/codegen/llvm/bindings.zig b/src/codegen/llvm/bindings.zig
index e16da29335..c759c7874b 100644
--- a/src/codegen/llvm/bindings.zig
+++ b/src/codegen/llvm/bindings.zig
@@ -422,6 +422,9 @@ pub const Module = opaque {
pub const printModuleToFile = LLVMPrintModuleToFile;
extern fn LLVMPrintModuleToFile(M: *Module, Filename: [*:0]const u8, ErrorMessage: *[*:0]const u8) Bool;
+
+ pub const writeBitcodeToFile = LLVMWriteBitcodeToFile;
+ extern fn LLVMWriteBitcodeToFile(M: *Module, Path: [*:0]const u8) c_int;
};
pub const lookupIntrinsicID = LLVMLookupIntrinsicID;
diff --git a/src/glibc.zig b/src/glibc.zig
index b37398bffd..327e4f4bb9 100644
--- a/src/glibc.zig
+++ b/src/glibc.zig
@@ -1097,6 +1097,7 @@ fn buildSharedLib(
.verbose_link = comp.bin_file.options.verbose_link,
.verbose_air = comp.verbose_air,
.verbose_llvm_ir = comp.verbose_llvm_ir,
+ .verbose_llvm_bc = comp.verbose_llvm_bc,
.verbose_cimport = comp.verbose_cimport,
.verbose_llvm_cpu_features = comp.verbose_llvm_cpu_features,
.clang_passthrough_mode = comp.clang_passthrough_mode,
diff --git a/src/libcxx.zig b/src/libcxx.zig
index 9c5dc9426f..07e3473338 100644
--- a/src/libcxx.zig
+++ b/src/libcxx.zig
@@ -250,6 +250,7 @@ pub fn buildLibCXX(comp: *Compilation, prog_node: *std.Progress.Node) !void {
.verbose_link = comp.bin_file.options.verbose_link,
.verbose_air = comp.verbose_air,
.verbose_llvm_ir = comp.verbose_llvm_ir,
+ .verbose_llvm_bc = comp.verbose_llvm_bc,
.verbose_cimport = comp.verbose_cimport,
.verbose_llvm_cpu_features = comp.verbose_llvm_cpu_features,
.clang_passthrough_mode = comp.clang_passthrough_mode,
@@ -410,6 +411,7 @@ pub fn buildLibCXXABI(comp: *Compilation, prog_node: *std.Progress.Node) !void {
.verbose_link = comp.bin_file.options.verbose_link,
.verbose_air = comp.verbose_air,
.verbose_llvm_ir = comp.verbose_llvm_ir,
+ .verbose_llvm_bc = comp.verbose_llvm_bc,
.verbose_cimport = comp.verbose_cimport,
.verbose_llvm_cpu_features = comp.verbose_llvm_cpu_features,
.clang_passthrough_mode = comp.clang_passthrough_mode,
diff --git a/src/libtsan.zig b/src/libtsan.zig
index 54bf00e4b6..90d2537876 100644
--- a/src/libtsan.zig
+++ b/src/libtsan.zig
@@ -226,6 +226,7 @@ pub fn buildTsan(comp: *Compilation, prog_node: *std.Progress.Node) !void {
.verbose_link = comp.bin_file.options.verbose_link,
.verbose_air = comp.verbose_air,
.verbose_llvm_ir = comp.verbose_llvm_ir,
+ .verbose_llvm_bc = comp.verbose_llvm_bc,
.verbose_cimport = comp.verbose_cimport,
.verbose_llvm_cpu_features = comp.verbose_llvm_cpu_features,
.clang_passthrough_mode = comp.clang_passthrough_mode,
diff --git a/src/libunwind.zig b/src/libunwind.zig
index aefbfb457d..6c46b6bb28 100644
--- a/src/libunwind.zig
+++ b/src/libunwind.zig
@@ -122,6 +122,7 @@ pub fn buildStaticLib(comp: *Compilation, prog_node: *std.Progress.Node) !void {
.verbose_link = comp.bin_file.options.verbose_link,
.verbose_air = comp.verbose_air,
.verbose_llvm_ir = comp.verbose_llvm_ir,
+ .verbose_llvm_bc = comp.verbose_llvm_bc,
.verbose_cimport = comp.verbose_cimport,
.verbose_llvm_cpu_features = comp.verbose_llvm_cpu_features,
.clang_passthrough_mode = comp.clang_passthrough_mode,
diff --git a/src/main.zig b/src/main.zig
index e7d5c647b5..e28bdf34cf 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -370,10 +370,10 @@ const usage_build_generic =
\\ -fno-emit-bin Do not output machine code
\\ -femit-asm[=path] Output .s (assembly code)
\\ -fno-emit-asm (default) Do not output .s (assembly code)
- \\ -femit-llvm-ir[=path] Produce a .ll file with LLVM IR (requires LLVM extensions)
- \\ -fno-emit-llvm-ir (default) Do not produce a .ll file with LLVM IR
- \\ -femit-llvm-bc[=path] Produce a LLVM module as a .bc file (requires LLVM extensions)
- \\ -fno-emit-llvm-bc (default) Do not produce a LLVM module as a .bc file
+ \\ -femit-llvm-ir[=path] Produce a .ll file with optimized LLVM IR (requires LLVM extensions)
+ \\ -fno-emit-llvm-ir (default) Do not produce a .ll file with optimized LLVM IR
+ \\ -femit-llvm-bc[=path] Produce an optimized LLVM module as a .bc file (requires LLVM extensions)
+ \\ -fno-emit-llvm-bc (default) Do not produce an optimized LLVM module as a .bc file
\\ -femit-h[=path] Generate a C header file (.h)
\\ -fno-emit-h (default) Do not generate a C header file (.h)
\\ -femit-docs[=path] Create a docs/ dir with html documentation
@@ -555,13 +555,14 @@ const usage_build_generic =
\\ --test-runner [path] Specify a custom test runner
\\
\\Debug Options (Zig Compiler Development):
- \\ -fopt-bisect-limit [limit] Only run [limit] first LLVM optimization passes
+ \\ -fopt-bisect-limit=[limit] Only run [limit] first LLVM optimization passes
\\ -ftime-report Print timing diagnostics
\\ -fstack-report Print stack size diagnostics
\\ --verbose-link Display linker invocations
\\ --verbose-cc Display C compiler invocations
\\ --verbose-air Enable compiler debug output for Zig AIR
- \\ --verbose-llvm-ir Enable compiler debug output for LLVM IR
+ \\ --verbose-llvm-ir[=path] Enable compiler debug output for unoptimized LLVM IR
+ \\ --verbose-llvm-bc=[path] Enable compiler debug output for unoptimized LLVM BC
\\ --verbose-cimport Enable compiler debug output for C imports
\\ --verbose-llvm-cpu-features Enable compiler debug output for LLVM CPU features
\\ --debug-log [scope] Enable printing debug/info log messages for scope
@@ -704,7 +705,8 @@ fn buildOutputType(
var verbose_link = (builtin.os.tag != .wasi or builtin.link_libc) and std.process.hasEnvVarConstant("ZIG_VERBOSE_LINK");
var verbose_cc = (builtin.os.tag != .wasi or builtin.link_libc) and std.process.hasEnvVarConstant("ZIG_VERBOSE_CC");
var verbose_air = false;
- var verbose_llvm_ir = false;
+ var verbose_llvm_ir: ?[]const u8 = null;
+ var verbose_llvm_bc: ?[]const u8 = null;
var verbose_cimport = false;
var verbose_llvm_cpu_features = false;
var time_report = false;
@@ -1441,7 +1443,11 @@ fn buildOutputType(
} else if (mem.eql(u8, arg, "--verbose-air")) {
verbose_air = true;
} else if (mem.eql(u8, arg, "--verbose-llvm-ir")) {
- verbose_llvm_ir = true;
+ verbose_llvm_ir = "-";
+ } else if (mem.startsWith(u8, arg, "--verbose-llvm-ir=")) {
+ verbose_llvm_ir = arg["--verbose-llvm-ir=".len..];
+ } else if (mem.startsWith(u8, arg, "--verbose-llvm-bc=")) {
+ verbose_llvm_bc = arg["--verbose-llvm-bc=".len..];
} else if (mem.eql(u8, arg, "--verbose-cimport")) {
verbose_cimport = true;
} else if (mem.eql(u8, arg, "--verbose-llvm-cpu-features")) {
@@ -3226,6 +3232,7 @@ fn buildOutputType(
.verbose_link = verbose_link,
.verbose_air = verbose_air,
.verbose_llvm_ir = verbose_llvm_ir,
+ .verbose_llvm_bc = verbose_llvm_bc,
.verbose_cimport = verbose_cimport,
.verbose_llvm_cpu_features = verbose_llvm_cpu_features,
.machine_code_model = machine_code_model,
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-27 21:53:14 +0000