846709b287
Now that the legacy PM is no longer tested, the huge matrix of test prefixes used by attributor tests is no longer needed and very confusing for the casual reader. Reduce the prefixes down to just CHECK, TUNIT and CGSCC.
122 lines
6.6 KiB
LLVM
122 lines
6.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC
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;
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; #include <pthread.h>
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;
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; void *GlobalVPtr;
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;
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; static void *foo(void *arg) { return arg; }
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; static void *bar(void *arg) { return arg; }
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;
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; int main() {
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; pthread_t thread;
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; pthread_create(&thread, NULL, foo, NULL);
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; pthread_create(&thread, NULL, bar, &GlobalVPtr);
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; return 0;
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; }
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;
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; Verify the constant values NULL and &GlobalVPtr are propagated into foo and
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; bar, respectively.
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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%union.pthread_attr_t = type { i64, [48 x i8] }
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@GlobalVPtr = common dso_local global i8* null, align 8
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; FIXME: nocapture & noalias for @GlobalVPtr in %call1
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; FIXME: nocapture & noalias for %alloc2 in %call3
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;.
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; CHECK: @[[GLOBALVPTR:[a-zA-Z0-9_$"\\.-]+]] = common dso_local global i8* null, align 8
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;.
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define dso_local i32 @main() {
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; TUNIT-LABEL: define {{[^@]+}}@main() {
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; TUNIT-NEXT: entry:
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; TUNIT-NEXT: [[ALLOC1:%.*]] = alloca i8, align 8
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; TUNIT-NEXT: [[ALLOC2:%.*]] = alloca i8, align 8
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; TUNIT-NEXT: [[THREAD:%.*]] = alloca i64, align 8
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; TUNIT-NEXT: [[CALL:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 4294967296 null, i8* (i8*)* noundef nonnull @foo, i8* noalias nocapture nofree readnone align 4294967296 undef)
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; TUNIT-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 4294967296 null, i8* (i8*)* noundef nonnull @bar, i8* noalias nocapture nofree nonnull readnone align 8 dereferenceable(8) undef)
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; TUNIT-NEXT: [[CALL2:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 4294967296 null, i8* (i8*)* noundef nonnull @baz, i8* noalias nocapture nofree noundef nonnull readnone align 8 dereferenceable(1) [[ALLOC1]])
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; TUNIT-NEXT: [[CALL3:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 4294967296 null, i8* (i8*)* noundef nonnull @buz, i8* noalias nofree noundef nonnull readnone align 8 dereferenceable(1) "no-capture-maybe-returned" [[ALLOC2]])
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; TUNIT-NEXT: ret i32 0
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;
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; CGSCC-LABEL: define {{[^@]+}}@main() {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: [[ALLOC1:%.*]] = alloca i8, align 8
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; CGSCC-NEXT: [[ALLOC2:%.*]] = alloca i8, align 8
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; CGSCC-NEXT: [[THREAD:%.*]] = alloca i64, align 8
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; CGSCC-NEXT: [[CALL:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 4294967296 null, i8* (i8*)* noundef nonnull @foo, i8* noalias nocapture nofree noundef readnone align 4294967296 null)
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; CGSCC-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 4294967296 null, i8* (i8*)* noundef nonnull @bar, i8* noalias nofree noundef nonnull readnone align 8 dereferenceable(8) bitcast (i8** @GlobalVPtr to i8*))
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; CGSCC-NEXT: [[CALL2:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 4294967296 null, i8* (i8*)* noundef nonnull @baz, i8* noalias nocapture nofree noundef nonnull readnone align 8 dereferenceable(1) [[ALLOC1]])
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; CGSCC-NEXT: [[CALL3:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 4294967296 null, i8* (i8*)* noundef nonnull @buz, i8* noalias nofree noundef nonnull readnone align 8 dereferenceable(1) [[ALLOC2]])
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; CGSCC-NEXT: ret i32 0
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;
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entry:
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%alloc1 = alloca i8, align 8
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%alloc2 = alloca i8, align 8
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%thread = alloca i64, align 8
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%call = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @foo, i8* null)
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%call1 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @bar, i8* bitcast (i8** @GlobalVPtr to i8*))
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%call2 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @baz, i8* nocapture %alloc1)
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%call3 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @buz, i8* %alloc2)
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ret i32 0
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}
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declare !callback !0 dso_local i32 @pthread_create(i64*, %union.pthread_attr_t*, i8* (i8*)*, i8*)
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define internal i8* @foo(i8* %arg) {
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; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
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; CHECK-LABEL: define {{[^@]+}}@foo
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; CHECK-SAME: (i8* noalias nocapture nofree readnone align 4294967296 [[ARG:%.*]]) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i8* null
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;
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entry:
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ret i8* %arg
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}
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define internal i8* @bar(i8* %arg) {
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; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
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; CHECK-LABEL: define {{[^@]+}}@bar
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; CHECK-SAME: (i8* noalias nocapture nofree nonnull readnone align 8 dereferenceable(8) [[ARG:%.*]]) #[[ATTR0]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i8* bitcast (i8** @GlobalVPtr to i8*)
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;
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entry:
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ret i8* %arg
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}
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define internal i8* @baz(i8* %arg) {
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; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
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; CHECK-LABEL: define {{[^@]+}}@baz
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; CHECK-SAME: (i8* noalias nofree noundef nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) #[[ATTR0]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i8* [[ARG]]
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;
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entry:
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ret i8* %arg
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}
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define internal i8* @buz(i8* %arg) {
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; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
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; CHECK-LABEL: define {{[^@]+}}@buz
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; CHECK-SAME: (i8* noalias nofree noundef nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) #[[ATTR0]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i8* [[ARG]]
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;
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entry:
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ret i8* %arg
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}
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!1 = !{i64 2, i64 3, i1 false}
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!0 = !{!1}
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;.
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; CHECK: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind readnone willreturn }
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;.
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; CHECK: [[META0:![0-9]+]] = !{!1}
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; CHECK: [[META1:![0-9]+]] = !{i64 2, i64 3, i1 false}
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;.
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