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Merge pull request #2905 from odin-lang/llvm-17-custom-passes

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Explicit Optimization Passes for LLVM-17 Passes
This commit is contained in:
gingerBill
2023-10-30 15:00:55 +00:00
committed by GitHub
parent 82cd30a145 b7af4e7f6b
commit 51caa930ca
4 changed files with 413 additions and 16 deletions
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396
src/llvm_backend.cpp
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@@ -1491,13 +1491,390 @@ gb_internal WORKER_TASK_PROC(lb_llvm_module_pass_worker_proc) {
array_add(&passes, "function(annotation-remarks)");
break;
case 1:
array_add(&passes, "default<Os>");
// default<Os>
// Passes removed: coro, openmp, sroa
array_add(&passes, u8R"(
annotation2metadata,
forceattrs,
inferattrs,
function<eager-inv>(
lower-expect,
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;no-switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,
early-cse<>
),
ipsccp,
called-value-propagation,
globalopt,
function<eager-inv>(
mem2reg,
instcombine<max-iterations=1000;no-use-loop-info>,
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>),
require<globals-aa>,
function(
invalidate<aa>
),
require<profile-summary>,
cgscc(
devirt<4>(
inline<only-mandatory>,
inline,
function-attrs<skip-non-recursive>,
function<eager-inv;no-rerun>(
early-cse<memssa>,
speculative-execution,
jump-threading,
correlated-propagation,
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,
instcombine<max-iterations=1000;no-use-loop-info>,
aggressive-instcombine,
constraint-elimination,
tailcallelim,
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,
reassociate,
loop-mssa(
loop-instsimplify,
loop-simplifycfg,
licm<no-allowspeculation>,
loop-rotate<header-duplication;no-prepare-for-lto>,
licm<allowspeculation>,
simple-loop-unswitch<no-nontrivial;trivial>
),
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,
instcombine<max-iterations=1000;no-use-loop-info>,
loop(
loop-idiom,
indvars,
loop-deletion,
loop-unroll-full
),
vector-combine,
mldst-motion<no-split-footer-bb>,
gvn<>,
sccp,
bdce,
instcombine<max-iterations=1000;no-use-loop-info>,
jump-threading,
correlated-propagation,
adce,
memcpyopt,
dse,
move-auto-init,
loop-mssa(
licm<allowspeculation>
),
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;hoist-common-insts;sink-common-insts;speculate-blocks;simplify-cond-branch>,
instcombine<max-iterations=1000;no-use-loop-info>
),
function-attrs,
function(
require<should-not-run-function-passes>
)
)
),
deadargelim,
globalopt,
globaldce,
elim-avail-extern,
rpo-function-attrs,
recompute-globalsaa,
function<eager-inv>(
float2int,
lower-constant-intrinsics,
loop(
loop-rotate<header-duplication;no-prepare-for-lto>,
loop-deletion
),
loop-distribute,
inject-tli-mappings,
loop-vectorize<no-interleave-forced-only;no-vectorize-forced-only;>,
loop-load-elim,
instcombine<max-iterations=1000;no-use-loop-info>,
simplifycfg<bonus-inst-threshold=1;forward-switch-cond;switch-range-to-icmp;switch-to-lookup;no-keep-loops;hoist-common-insts;sink-common-insts;speculate-blocks;simplify-cond-branch>,
slp-vectorizer,
vector-combine,
instcombine<max-iterations=1000;no-use-loop-info>,
loop-unroll<O2>,
transform-warning,
instcombine<max-iterations=1000;no-use-loop-info>,
loop-mssa(
licm<allowspeculation>
),
alignment-from-assumptions,
loop-sink,
instsimplify,
div-rem-pairs,
tailcallelim,
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>
),
globaldce,
constmerge,
cg-profile,
rel-lookup-table-converter,
function(
annotation-remarks
),
verify
)");
break;
// default<O2>
// Passes removed: coro, openmp, sroa
case 2:
array_add(&passes, "default<O2>");
array_add(&passes, u8R"(
annotation2metadata,
forceattrs,
inferattrs,
function<eager-inv>(
lower-expect,
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;no-switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,
early-cse<>
),
ipsccp,
called-value-propagation,
globalopt,
function<eager-inv>(
mem2reg,
instcombine<max-iterations=1000;no-use-loop-info>,
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>
),
require<globals-aa>,
function(
invalidate<aa>
),
require<profile-summary>,
cgscc(
devirt<4>(
inline<only-mandatory>,
inline,
function-attrs<skip-non-recursive>,
function<eager-inv;no-rerun>(
early-cse<memssa>,
speculative-execution,
jump-threading,
correlated-propagation,
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,
instcombine<max-iterations=1000;no-use-loop-info>,
aggressive-instcombine,
constraint-elimination,
libcalls-shrinkwrap,
tailcallelim,
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,
reassociate,
loop-mssa(
loop-instsimplify,
loop-simplifycfg,
licm<no-allowspeculation>,
loop-rotate<header-duplication;no-prepare-for-lto>,
licm<allowspeculation>,
simple-loop-unswitch<no-nontrivial;trivial>
),
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,
instcombine<max-iterations=1000;no-use-loop-info>,
loop(
loop-idiom,
indvars,
loop-deletion,
loop-unroll-full
),
vector-combine,
mldst-motion<no-split-footer-bb>,
gvn<>,
sccp,
bdce,
instcombine<max-iterations=1000;no-use-loop-info>,
jump-threading,
correlated-propagation,
adce,
memcpyopt,
dse,
move-auto-init,
loop-mssa(
licm<allowspeculation>
),
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;hoist-common-insts;sink-common-insts;speculate-blocks;simplify-cond-branch>,
instcombine<max-iterations=1000;no-use-loop-info>
),
function-attrs,
function(
require<should-not-run-function-passes>
)
)
),
deadargelim,
globalopt,
globaldce,
elim-avail-extern,
rpo-function-attrs,
recompute-globalsaa,
function<eager-inv>(
float2int,
lower-constant-intrinsics,
loop(
loop-rotate<header-duplication;no-prepare-for-lto>,
loop-deletion
),
loop-distribute,
inject-tli-mappings,
loop-vectorize<no-interleave-forced-only;no-vectorize-forced-only;>,
loop-load-elim,
instcombine<max-iterations=1000;no-use-loop-info>,
simplifycfg<bonus-inst-threshold=1;forward-switch-cond;switch-range-to-icmp;switch-to-lookup;no-keep-loops;hoist-common-insts;sink-common-insts;speculate-blocks;simplify-cond-branch>,
slp-vectorizer,
vector-combine,
instcombine<max-iterations=1000;no-use-loop-info>,
loop-unroll<O2>,
transform-warning,
instcombine<max-iterations=1000;no-use-loop-info>,
loop-mssa(
licm<allowspeculation>
),
alignment-from-assumptions,
loop-sink,
instsimplify,
div-rem-pairs,
tailcallelim,
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>
),
globaldce,
constmerge,
cg-profile,
rel-lookup-table-converter,
function(
annotation-remarks
),
verify
)");
break;
case 3:
array_add(&passes, "default<O3>");
// default<O3>
// Passes removed: coro, openmp, sroa
array_add(&passes, u8R"(
annotation2metadata,
forceattrs,
inferattrs,
function<eager-inv>(
lower-expect,
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;no-switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,
early-cse<>,
callsite-splitting
),
ipsccp,
called-value-propagation,
globalopt,
function<eager-inv>(
mem2reg,
instcombine<max-iterations=1000;no-use-loop-info>,
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>
),
require<globals-aa>,
function(
invalidate<aa>
),
require<profile-summary>,
cgscc(
devirt<4>(
inline<only-mandatory>,
inline,
function-attrs<skip-non-recursive>,
argpromotion,
function<eager-inv;no-rerun>(
early-cse<memssa>,
speculative-execution,
jump-threading,
correlated-propagation,
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,
instcombine<max-iterations=1000;no-use-loop-info>,
aggressive-instcombine,
constraint-elimination,
libcalls-shrinkwrap,
tailcallelim,
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,
reassociate,
loop-mssa(
loop-instsimplify,
loop-simplifycfg,
licm<no-allowspeculation>,
loop-rotate<header-duplication;no-prepare-for-lto>,
licm<allowspeculation>,
simple-loop-unswitch<nontrivial;trivial>
),
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,
instcombine<max-iterations=1000;no-use-loop-info>,
loop(
loop-idiom,
indvars,
loop-deletion,
loop-unroll-full
),
vector-combine,
mldst-motion<no-split-footer-bb>,
gvn<>,
sccp,
bdce,
instcombine<max-iterations=1000;no-use-loop-info>,
jump-threading,
correlated-propagation,
adce,
memcpyopt,
dse,
move-auto-init,
loop-mssa(
licm<allowspeculation>
),
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;hoist-common-insts;sink-common-insts;speculate-blocks;simplify-cond-branch>,
instcombine<max-iterations=1000;no-use-loop-info>
),
function-attrs,
function(
require<should-not-run-function-passes>
),
)
),
deadargelim,
globalopt,
globaldce,
elim-avail-extern,
rpo-function-attrs,
recompute-globalsaa,
function<eager-inv>(
float2int,
lower-constant-intrinsics,
chr,
loop(
loop-rotate<header-duplication;no-prepare-for-lto>,
loop-deletion
),
loop-distribute,
inject-tli-mappings,
loop-vectorize<no-interleave-forced-only;no-vectorize-forced-only;>,
loop-load-elim,
instcombine<max-iterations=1000;no-use-loop-info>,
simplifycfg<bonus-inst-threshold=1;forward-switch-cond;switch-range-to-icmp;switch-to-lookup;no-keep-loops;hoist-common-insts;sink-common-insts;speculate-blocks;simplify-cond-branch>,
slp-vectorizer,
vector-combine,
instcombine<max-iterations=1000;no-use-loop-info>,
loop-unroll<O3>,
transform-warning,
instcombine<max-iterations=1000;no-use-loop-info>,
loop-mssa(
licm<allowspeculation>
),
alignment-from-assumptions,
loop-sink,
instsimplify,
div-rem-pairs,
tailcallelim,
simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>
),
globaldce,
constmerge,
cg-profile,
rel-lookup-table-converter,
function(
annotation-remarks
),
verify
)");
break;
}
@@ -1528,6 +1905,19 @@ gb_internal WORKER_TASK_PROC(lb_llvm_module_pass_worker_proc) {
}
passes_str = gb_string_appendc(passes_str, passes[i]);
}
for (isize i = 0; i < gb_string_length(passes_str); /**/) {
switch (passes_str[i]) {
case ' ':
case '\n':
case '\t':
gb_memmove(&passes_str[i], &passes_str[i+1], gb_string_length(passes_str)-i);
GB_STRING_HEADER(passes_str)->length -= 1;
continue;
default:
i += 1;
break;
}
}
LLVMErrorRef llvm_err = LLVMRunPasses(wd->m->mod, passes_str, wd->target_machine, pb_options);

6
src/llvm_backend_general.cpp
View File

@@ -962,8 +962,12 @@ gb_internal bool lb_is_type_proc_recursive(Type *t) {
gb_internal void lb_emit_store(lbProcedure *p, lbValue ptr, lbValue value) {
GB_ASSERT(value.value != nullptr);
Type *a = type_deref(ptr.type);
if (LLVMIsUndef(value.value)) {
return;
}
Type *a = type_deref(ptr.type);
if (LLVMIsNull(value.value)) {
LLVMTypeRef src_t = llvm_addr_type(p->module, ptr);
if (is_type_proc(a)) {

7
src/llvm_backend_opt.cpp
View File

@@ -322,7 +322,11 @@ gb_internal void lb_run_remove_dead_instruction_pass(lbProcedure *p) {
// NOTE(bill): Explicit instructions are set here because some instructions could have side effects
switch (LLVMGetInstructionOpcode(curr_instr)) {
// case LLVMAlloca:
case LLVMLoad:
if (LLVMGetVolatile(curr_instr)) {
break;
}
/*fallthrough*/
case LLVMFNeg:
case LLVMAdd:
case LLVMFAdd:
@@ -342,7 +346,6 @@ gb_internal void lb_run_remove_dead_instruction_pass(lbProcedure *p) {
case LLVMAnd:
case LLVMOr:
case LLVMXor:
case LLVMLoad:
case LLVMGetElementPtr:
case LLVMTrunc:
case LLVMZExt:

20
src/tilde_stmt.cpp
View File

@@ -1032,22 +1032,22 @@ gb_internal void cg_build_assignment(cgProcedure *p, Array<cgAddr> const &lvals,
continue;
}
Type *type = cg_addr_type(lval);
Type *type = cg_addr_type(lval);
if (!cg_addr_is_empty(lval)) {
GB_ASSERT_MSG(are_types_identical(init.type, type), "%s = %s", type_to_string(init.type), type_to_string(type));
}
if (init.kind == cgValue_Addr &&
!cg_addr_is_empty(lval)) {
// NOTE(bill): This is needed for certain constructs such as this:
// a, b = b, a
// NOTE(bill): This is a bodge and not necessarily a good way of doing things whatsoever
TB_CharUnits size = cast(TB_CharUnits)type_size_of(type);
TB_CharUnits align = cast(TB_CharUnits)type_align_of(type);
TB_Node *copy = tb_inst_local(p->func, size, align);
tb_inst_memcpy(p->func, copy, init.node, tb_inst_uint(p->func, TB_TYPE_INT, size), align);
// use the copy instead
init.node = copy;
// NOTE(bill): This is needed for certain constructs such as this:
// a, b = b, a
// NOTE(bill): This is a bodge and not necessarily a good way of doing things whatsoever
TB_CharUnits size = cast(TB_CharUnits)type_size_of(type);
TB_CharUnits align = cast(TB_CharUnits)type_align_of(type);
TB_Node *copy = tb_inst_local(p->func, size, align);
tb_inst_memcpy(p->func, copy, init.node, tb_inst_uint(p->func, TB_TYPE_INT, size), align);
// use the copy instead
init.node = copy;
}
inits[i] = init;
}