| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes |
| ; RUN: opt -attributor -enable-new-pm=0 -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=1 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM |
| ; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=1 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM |
| ; RUN: opt -attributor-cgscc -enable-new-pm=0 -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM |
| ; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM |
| ; |
| ; #include <pthread.h> |
| ; |
| ; void *GlobalVPtr; |
| ; |
| ; static void *foo(void *arg) { return arg; } |
| ; static void *bar(void *arg) { return arg; } |
| ; |
| ; int main() { |
| ; pthread_t thread; |
| ; pthread_create(&thread, NULL, foo, NULL); |
| ; pthread_create(&thread, NULL, bar, &GlobalVPtr); |
| ; return 0; |
| ; } |
| ; |
| ; Verify the constant values NULL and &GlobalVPtr are propagated into foo and |
| ; bar, respectively. |
| ; |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| %union.pthread_attr_t = type { i64, [48 x i8] } |
| |
| @GlobalVPtr = common dso_local global i8* null, align 8 |
| |
| ; FIXME: nocapture & noalias for @GlobalVPtr in %call1 |
| ; FIXME: nocapture & noalias for %alloc2 in %call3 |
| |
| define dso_local i32 @main() { |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@main() { |
| ; IS__TUNIT____-NEXT: entry: |
| ; IS__TUNIT____-NEXT: [[ALLOC1:%.*]] = alloca i8, align 8 |
| ; IS__TUNIT____-NEXT: [[ALLOC2:%.*]] = alloca i8, align 8 |
| ; IS__TUNIT____-NEXT: [[THREAD:%.*]] = alloca i64, align 8 |
| ; IS__TUNIT____-NEXT: [[CALL:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 536870912 null, i8* (i8*)* noundef nonnull @foo, i8* noalias nocapture nofree readnone align 536870912 undef) |
| ; IS__TUNIT____-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 536870912 null, i8* (i8*)* noundef nonnull @bar, i8* noalias nofree nonnull readnone align 8 dereferenceable(8) "no-capture-maybe-returned" undef) |
| ; IS__TUNIT____-NEXT: [[CALL2:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 536870912 null, i8* (i8*)* noundef nonnull @baz, i8* noalias nocapture nofree noundef nonnull readnone align 8 dereferenceable(1) [[ALLOC1]]) |
| ; IS__TUNIT____-NEXT: [[CALL3:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 536870912 null, i8* (i8*)* noundef nonnull @buz, i8* noalias nofree noundef nonnull readnone align 8 dereferenceable(1) "no-capture-maybe-returned" [[ALLOC2]]) |
| ; IS__TUNIT____-NEXT: ret i32 0 |
| ; |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@main() { |
| ; IS__CGSCC____-NEXT: entry: |
| ; IS__CGSCC____-NEXT: [[ALLOC1:%.*]] = alloca i8, align 8 |
| ; IS__CGSCC____-NEXT: [[ALLOC2:%.*]] = alloca i8, align 8 |
| ; IS__CGSCC____-NEXT: [[THREAD:%.*]] = alloca i64, align 8 |
| ; IS__CGSCC____-NEXT: [[CALL:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 536870912 null, i8* (i8*)* noundef nonnull @foo, i8* noalias nocapture nofree noundef readnone align 536870912 null) |
| ; IS__CGSCC____-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 536870912 null, i8* (i8*)* noundef nonnull @bar, i8* noalias nofree noundef nonnull readnone align 8 dereferenceable(8) bitcast (i8** @GlobalVPtr to i8*)) |
| ; IS__CGSCC____-NEXT: [[CALL2:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 536870912 null, i8* (i8*)* noundef nonnull @baz, i8* noalias nocapture nofree noundef nonnull readnone align 8 dereferenceable(1) [[ALLOC1]]) |
| ; IS__CGSCC____-NEXT: [[CALL3:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 536870912 null, i8* (i8*)* noundef nonnull @buz, i8* noalias nofree noundef nonnull readnone align 8 dereferenceable(1) "no-capture-maybe-returned" [[ALLOC2]]) |
| ; IS__CGSCC____-NEXT: ret i32 0 |
| ; |
| entry: |
| %alloc1 = alloca i8, align 8 |
| %alloc2 = alloca i8, align 8 |
| %thread = alloca i64, align 8 |
| %call = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @foo, i8* null) |
| %call1 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @bar, i8* bitcast (i8** @GlobalVPtr to i8*)) |
| %call2 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @baz, i8* nocapture %alloc1) |
| %call3 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @buz, i8* %alloc2) |
| ret i32 0 |
| } |
| |
| declare !callback !0 dso_local i32 @pthread_create(i64*, %union.pthread_attr_t*, i8* (i8*)*, i8*) |
| |
| define internal i8* @foo(i8* %arg) { |
| ; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@foo |
| ; IS__TUNIT____-SAME: (i8* noalias nofree readnone returned align 536870912 "no-capture-maybe-returned" [[ARG:%.*]]) [[ATTR0:#.*]] { |
| ; IS__TUNIT____-NEXT: entry: |
| ; IS__TUNIT____-NEXT: ret i8* null |
| ; |
| ; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@foo |
| ; IS__CGSCC____-SAME: (i8* noalias nofree readnone returned align 536870912 "no-capture-maybe-returned" [[ARG:%.*]]) [[ATTR0:#.*]] { |
| ; IS__CGSCC____-NEXT: entry: |
| ; IS__CGSCC____-NEXT: ret i8* null |
| ; |
| entry: |
| ret i8* %arg |
| } |
| |
| define internal i8* @bar(i8* %arg) { |
| ; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@bar |
| ; IS__TUNIT____-SAME: (i8* noalias nofree nonnull readnone returned align 8 dereferenceable(8) "no-capture-maybe-returned" [[ARG:%.*]]) [[ATTR0]] { |
| ; IS__TUNIT____-NEXT: entry: |
| ; IS__TUNIT____-NEXT: ret i8* bitcast (i8** @GlobalVPtr to i8*) |
| ; |
| ; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@bar |
| ; IS__CGSCC____-SAME: (i8* noalias nofree nonnull readnone returned align 8 dereferenceable(8) "no-capture-maybe-returned" [[ARG:%.*]]) [[ATTR0]] { |
| ; IS__CGSCC____-NEXT: entry: |
| ; IS__CGSCC____-NEXT: ret i8* bitcast (i8** @GlobalVPtr to i8*) |
| ; |
| entry: |
| ret i8* %arg |
| } |
| |
| define internal i8* @baz(i8* %arg) { |
| ; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@baz |
| ; IS__TUNIT____-SAME: (i8* noalias nofree noundef nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) [[ATTR0]] { |
| ; IS__TUNIT____-NEXT: entry: |
| ; IS__TUNIT____-NEXT: ret i8* [[ARG]] |
| ; |
| ; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@baz |
| ; IS__CGSCC____-SAME: (i8* noalias nofree noundef nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) [[ATTR0]] { |
| ; IS__CGSCC____-NEXT: entry: |
| ; IS__CGSCC____-NEXT: ret i8* [[ARG]] |
| ; |
| entry: |
| ret i8* %arg |
| } |
| |
| define internal i8* @buz(i8* %arg) { |
| ; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@buz |
| ; IS__TUNIT____-SAME: (i8* noalias nofree noundef nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) [[ATTR0]] { |
| ; IS__TUNIT____-NEXT: entry: |
| ; IS__TUNIT____-NEXT: ret i8* [[ARG]] |
| ; |
| ; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@buz |
| ; IS__CGSCC____-SAME: (i8* noalias nofree noundef nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) [[ATTR0]] { |
| ; IS__CGSCC____-NEXT: entry: |
| ; IS__CGSCC____-NEXT: ret i8* [[ARG]] |
| ; |
| entry: |
| ret i8* %arg |
| } |
| |
| !1 = !{i64 2, i64 3, i1 false} |
| !0 = !{!1} |