| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals |
| ; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT |
| ; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| ; Test cases specifically designed for the "nofree" function attribute. |
| ; We use FIXME's to indicate problems and missing attributes. |
| |
| ; Free functions |
| declare void @free(ptr nocapture) local_unnamed_addr #1 |
| declare noalias ptr @realloc(ptr nocapture, i64) local_unnamed_addr #0 |
| declare void @_ZdaPv(ptr) local_unnamed_addr #2 |
| |
| |
| ; TEST 1 (positive case) |
| define void @only_return() #0 { |
| ; CHECK: Function Attrs: mustprogress nofree noinline norecurse nosync nounwind willreturn memory(none) uwtable |
| ; CHECK-LABEL: define {{[^@]+}}@only_return |
| ; CHECK-SAME: () #[[ATTR3:[0-9]+]] { |
| ; CHECK-NEXT: ret void |
| ; |
| ret void |
| } |
| |
| |
| ; TEST 2 (negative case) |
| ; Only free |
| ; void only_free(char* p) { |
| ; free(p); |
| ; } |
| |
| define void @only_free(ptr nocapture %0) local_unnamed_addr #0 { |
| ; CHECK: Function Attrs: noinline nounwind uwtable |
| ; CHECK-LABEL: define {{[^@]+}}@only_free |
| ; CHECK-SAME: (ptr nocapture [[TMP0:%.*]]) local_unnamed_addr #[[ATTR1:[0-9]+]] { |
| ; CHECK-NEXT: tail call void @free(ptr nocapture [[TMP0]]) #[[ATTR0:[0-9]+]] |
| ; CHECK-NEXT: ret void |
| ; |
| tail call void @free(ptr %0) #1 |
| ret void |
| } |
| |
| |
| ; TEST 3 (negative case) |
| ; Free occurs in same scc. |
| ; void free_in_scc1(char*p){ |
| ; free_in_scc2(p); |
| ; } |
| ; void free_in_scc2(char*p){ |
| ; free_in_scc1(p); |
| ; free(p); |
| ; } |
| |
| |
| define void @free_in_scc1(ptr nocapture %0) local_unnamed_addr #0 { |
| ; CHECK: Function Attrs: noinline nounwind uwtable |
| ; CHECK-LABEL: define {{[^@]+}}@free_in_scc1 |
| ; CHECK-SAME: (ptr nocapture [[TMP0:%.*]]) local_unnamed_addr #[[ATTR1]] { |
| ; CHECK-NEXT: tail call void @free_in_scc2(ptr nocapture [[TMP0]]) #[[ATTR0]] |
| ; CHECK-NEXT: ret void |
| ; |
| tail call void @free_in_scc2(ptr %0) #1 |
| ret void |
| } |
| |
| |
| define void @free_in_scc2(ptr nocapture %0) local_unnamed_addr #0 { |
| ; CHECK: Function Attrs: noinline nounwind uwtable |
| ; CHECK-LABEL: define {{[^@]+}}@free_in_scc2 |
| ; CHECK-SAME: (ptr nocapture [[TMP0:%.*]]) local_unnamed_addr #[[ATTR1]] { |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp eq ptr [[TMP0]], null |
| ; CHECK-NEXT: br i1 [[CMP]], label [[REC:%.*]], label [[CALL:%.*]] |
| ; CHECK: call: |
| ; CHECK-NEXT: tail call void @free(ptr nocapture nonnull [[TMP0]]) #[[ATTR0]] |
| ; CHECK-NEXT: br label [[END:%.*]] |
| ; CHECK: rec: |
| ; CHECK-NEXT: tail call void @free_in_scc1(ptr nocapture [[TMP0]]) #[[ATTR0]] |
| ; CHECK-NEXT: br label [[END]] |
| ; CHECK: end: |
| ; CHECK-NEXT: ret void |
| ; |
| %cmp = icmp eq ptr %0, null |
| br i1 %cmp, label %rec, label %call |
| call: |
| tail call void @free(ptr %0) #1 |
| br label %end |
| rec: |
| tail call void @free_in_scc1(ptr %0) |
| br label %end |
| end: |
| ret void |
| } |
| |
| |
| ; TEST 4 (positive case) |
| ; Free doesn't occur. |
| ; void mutual_recursion1(){ |
| ; mutual_recursion2(); |
| ; } |
| ; void mutual_recursion2(){ |
| ; mutual_recursion1(); |
| ; } |
| |
| |
| define void @mutual_recursion1() #0 { |
| ; TUNIT: Function Attrs: mustprogress nofree noinline nosync nounwind willreturn memory(none) uwtable |
| ; TUNIT-LABEL: define {{[^@]+}}@mutual_recursion1 |
| ; TUNIT-SAME: () #[[ATTR4:[0-9]+]] { |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree noinline norecurse nosync nounwind willreturn memory(none) uwtable |
| ; CGSCC-LABEL: define {{[^@]+}}@mutual_recursion1 |
| ; CGSCC-SAME: () #[[ATTR3]] { |
| ; CGSCC-NEXT: ret void |
| ; |
| call void @mutual_recursion2() |
| ret void |
| } |
| |
| define void @mutual_recursion2() #0 { |
| ; TUNIT: Function Attrs: mustprogress nofree noinline nosync nounwind willreturn memory(none) uwtable |
| ; TUNIT-LABEL: define {{[^@]+}}@mutual_recursion2 |
| ; TUNIT-SAME: () #[[ATTR4]] { |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree noinline norecurse nosync nounwind willreturn memory(none) uwtable |
| ; CGSCC-LABEL: define {{[^@]+}}@mutual_recursion2 |
| ; CGSCC-SAME: () #[[ATTR3]] { |
| ; CGSCC-NEXT: ret void |
| ; |
| call void @mutual_recursion1() |
| ret void |
| } |
| |
| |
| ; TEST 5 |
| ; C++ delete operation (negative case) |
| ; void delete_op (char p[]){ |
| ; delete [] p; |
| ; } |
| |
| define void @_Z9delete_opPc(ptr %0) local_unnamed_addr #0 { |
| ; CHECK: Function Attrs: noinline nounwind uwtable |
| ; CHECK-LABEL: define {{[^@]+}}@_Z9delete_opPc |
| ; CHECK-SAME: (ptr [[TMP0:%.*]]) local_unnamed_addr #[[ATTR1]] { |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq ptr [[TMP0]], null |
| ; CHECK-NEXT: br i1 [[TMP2]], label [[TMP4:%.*]], label [[TMP3:%.*]] |
| ; CHECK: 3: |
| ; CHECK-NEXT: tail call void @_ZdaPv(ptr nonnull [[TMP0]]) #[[ATTR2:[0-9]+]] |
| ; CHECK-NEXT: br label [[TMP4]] |
| ; CHECK: 4: |
| ; CHECK-NEXT: ret void |
| ; |
| %2 = icmp eq ptr %0, null |
| br i1 %2, label %4, label %3 |
| |
| ; <label>:3: ; preds = %1 |
| tail call void @_ZdaPv(ptr nonnull %0) #2 |
| br label %4 |
| |
| ; <label>:4: ; preds = %3, %1 |
| ret void |
| } |
| |
| |
| ; TEST 6 (negative case) |
| ; Call realloc |
| define noalias ptr @call_realloc(ptr nocapture %0, i64 %1) local_unnamed_addr #0 { |
| ; CHECK: Function Attrs: noinline nounwind uwtable |
| ; CHECK-LABEL: define {{[^@]+}}@call_realloc |
| ; CHECK-SAME: (ptr nocapture [[TMP0:%.*]], i64 [[TMP1:%.*]]) local_unnamed_addr #[[ATTR1]] { |
| ; CHECK-NEXT: [[RET:%.*]] = tail call ptr @realloc(ptr nocapture [[TMP0]], i64 [[TMP1]]) #[[ATTR2]] |
| ; CHECK-NEXT: ret ptr [[RET]] |
| ; |
| %ret = tail call ptr @realloc(ptr %0, i64 %1) #2 |
| ret ptr %ret |
| } |
| |
| |
| ; TEST 7 (positive case) |
| ; Call function declaration with "nofree" |
| |
| |
| ; CHECK: Function Attrs: nofree noinline nounwind memory(none) uwtable |
| ; CHECK-NEXT: declare void @nofree_function() |
| declare void @nofree_function() nofree readnone #0 |
| |
| define void @call_nofree_function() #0 { |
| ; TUNIT: Function Attrs: mustprogress nofree noinline nosync nounwind willreturn memory(none) uwtable |
| ; TUNIT-LABEL: define {{[^@]+}}@call_nofree_function |
| ; TUNIT-SAME: () #[[ATTR4]] { |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree noinline nosync nounwind willreturn memory(none) uwtable |
| ; CGSCC-LABEL: define {{[^@]+}}@call_nofree_function |
| ; CGSCC-SAME: () #[[ATTR5:[0-9]+]] { |
| ; CGSCC-NEXT: ret void |
| ; |
| tail call void @nofree_function() |
| ret void |
| } |
| |
| ; TEST 8 (negative case) |
| ; Call function declaration without "nofree" |
| |
| |
| ; CHECK: Function Attrs: noinline nounwind uwtable |
| ; CHECK-NEXT: declare void @maybe_free() |
| declare void @maybe_free() #0 |
| |
| |
| define void @call_maybe_free() #0 { |
| ; CHECK: Function Attrs: noinline nounwind uwtable |
| ; CHECK-LABEL: define {{[^@]+}}@call_maybe_free |
| ; CHECK-SAME: () #[[ATTR1]] { |
| ; CHECK-NEXT: tail call void @maybe_free() #[[ATTR0]] |
| ; CHECK-NEXT: ret void |
| ; |
| tail call void @maybe_free() |
| ret void |
| } |
| |
| |
| ; TEST 9 (negative case) |
| ; Call both of above functions |
| |
| define void @call_both() #0 { |
| ; CHECK: Function Attrs: noinline nounwind uwtable |
| ; CHECK-LABEL: define {{[^@]+}}@call_both |
| ; CHECK-SAME: () #[[ATTR1]] { |
| ; CHECK-NEXT: tail call void @maybe_free() #[[ATTR0]] |
| ; CHECK-NEXT: ret void |
| ; |
| tail call void @maybe_free() |
| tail call void @nofree_function() |
| ret void |
| } |
| |
| |
| ; TEST 10 (positive case) |
| ; Call intrinsic function |
| ; CHECK: Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none) |
| ; CHECK-NEXT: declare float @llvm.floor.f32(float) |
| declare float @llvm.floor.f32(float) |
| |
| define void @call_floor(float %a) #0 { |
| ; CHECK: Function Attrs: mustprogress nofree noinline norecurse nosync nounwind willreturn memory(none) uwtable |
| ; CHECK-LABEL: define {{[^@]+}}@call_floor |
| ; CHECK-SAME: (float [[A:%.*]]) #[[ATTR3]] { |
| ; CHECK-NEXT: ret void |
| ; |
| tail call float @llvm.floor.f32(float %a) |
| ret void |
| } |
| |
| define float @call_floor2(float %a) #0 { |
| ; CHECK: Function Attrs: mustprogress nofree noinline norecurse nosync nounwind willreturn memory(none) uwtable |
| ; CHECK-LABEL: define {{[^@]+}}@call_floor2 |
| ; CHECK-SAME: (float [[A:%.*]]) #[[ATTR3]] { |
| ; CHECK-NEXT: [[C:%.*]] = tail call nofpclass(sub) float @llvm.floor.f32(float [[A]]) #[[ATTR14:[0-9]+]] |
| ; CHECK-NEXT: ret float [[C]] |
| ; |
| %c = tail call float @llvm.floor.f32(float %a) |
| ret float %c |
| } |
| |
| ; TEST 11 (positive case) |
| ; Check propagation. |
| |
| define void @f1() #0 { |
| ; TUNIT: Function Attrs: mustprogress nofree noinline nosync nounwind willreturn memory(none) uwtable |
| ; TUNIT-LABEL: define {{[^@]+}}@f1 |
| ; TUNIT-SAME: () #[[ATTR4]] { |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree noinline nosync nounwind willreturn memory(none) uwtable |
| ; CGSCC-LABEL: define {{[^@]+}}@f1 |
| ; CGSCC-SAME: () #[[ATTR5]] { |
| ; CGSCC-NEXT: ret void |
| ; |
| tail call void @nofree_function() |
| ret void |
| } |
| |
| define void @f2() #0 { |
| ; TUNIT: Function Attrs: mustprogress nofree noinline nosync nounwind willreturn memory(none) uwtable |
| ; TUNIT-LABEL: define {{[^@]+}}@f2 |
| ; TUNIT-SAME: () #[[ATTR4]] { |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree noinline nosync nounwind willreturn memory(none) uwtable |
| ; CGSCC-LABEL: define {{[^@]+}}@f2 |
| ; CGSCC-SAME: () #[[ATTR5]] { |
| ; CGSCC-NEXT: ret void |
| ; |
| tail call void @f1() |
| ret void |
| } |
| |
| ; TEST 12 NoFree argument - positive. |
| define double @test12(ptr nocapture readonly %a) { |
| ; CHECK: Function Attrs: nofree nounwind |
| ; CHECK-LABEL: define {{[^@]+}}@test12 |
| ; CHECK-SAME: (ptr nocapture nofree noundef nonnull readonly align 8 dereferenceable(8) [[A:%.*]]) #[[ATTR7:[0-9]+]] { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[TMP0:%.*]] = load double, ptr [[A]], align 8 |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call double @cos(double [[TMP0]]) #[[ATTR8:[0-9]+]] |
| ; CHECK-NEXT: ret double [[CALL]] |
| ; |
| entry: |
| %0 = load double, ptr %a, align 8 |
| %call = tail call double @cos(double %0) #2 |
| ret double %call |
| } |
| |
| declare double @cos(double) nobuiltin nounwind nofree |
| |
| ; FIXME: %a should be nofree. |
| ; TEST 13 NoFree argument - positive. |
| define noalias ptr @test13(ptr nocapture readonly %a) { |
| ; CHECK: Function Attrs: nounwind |
| ; CHECK-LABEL: define {{[^@]+}}@test13 |
| ; CHECK-SAME: (ptr nocapture nofree noundef nonnull readonly align 8 dereferenceable(8) [[A:%.*]]) #[[ATTR0]] { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr [[A]], align 8 |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call noalias ptr @malloc(i64 [[TMP0]]) #[[ATTR2]] |
| ; CHECK-NEXT: ret ptr [[CALL]] |
| ; |
| entry: |
| %0 = load i64, ptr %a, align 8 |
| %call = tail call noalias ptr @malloc(i64 %0) #2 |
| ret ptr %call |
| } |
| |
| define void @test14(ptr nocapture %0, ptr nocapture %1) { |
| ; CHECK: Function Attrs: nounwind |
| ; CHECK-LABEL: define {{[^@]+}}@test14 |
| ; CHECK-SAME: (ptr nocapture [[TMP0:%.*]], ptr nocapture nofree readnone [[TMP1:%.*]]) #[[ATTR0]] { |
| ; CHECK-NEXT: tail call void @free(ptr nocapture [[TMP0]]) #[[ATTR0]] |
| ; CHECK-NEXT: ret void |
| ; |
| tail call void @free(ptr %0) #1 |
| ret void |
| } |
| |
| ; UTC_ARGS: --enable |
| |
| define void @nonnull_assume_pos(ptr %arg1, ptr %arg2, ptr %arg3, ptr %arg4) { |
| ; ATTRIBUTOR-LABEL: define {{[^@]+}}@nonnull_assume_pos |
| ; ATTRIBUTOR-SAME: (ptr nofree [[ARG1:%.*]], ptr [[ARG2:%.*]], ptr nofree [[ARG3:%.*]], ptr [[ARG4:%.*]]) |
| ; ATTRIBUTOR-NEXT: call void @llvm.assume(i1 true) #11 [ "nofree"(ptr [[ARG1]]), "nofree"(ptr [[ARG3]]) ] |
| ; ATTRIBUTOR-NEXT: call void @unknown(ptr nofree [[ARG1]], ptr [[ARG2]], ptr nofree [[ARG3]], ptr [[ARG4]]) |
| ; ATTRIBUTOR-NEXT: ret void |
| ; |
| ; CHECK-LABEL: define {{[^@]+}}@nonnull_assume_pos |
| ; CHECK-SAME: (ptr nofree [[ARG1:%.*]], ptr [[ARG2:%.*]], ptr nofree [[ARG3:%.*]], ptr [[ARG4:%.*]]) { |
| ; CHECK-NEXT: call void @llvm.assume(i1 noundef true) #[[ATTR15:[0-9]+]] [ "nofree"(ptr [[ARG1]]), "nofree"(ptr [[ARG3]]) ] |
| ; CHECK-NEXT: call void @unknown(ptr nofree [[ARG1]], ptr [[ARG2]], ptr nofree [[ARG3]], ptr [[ARG4]]) |
| ; CHECK-NEXT: ret void |
| ; |
| call void @llvm.assume(i1 true) ["nofree"(ptr %arg1), "nofree"(ptr %arg3)] |
| call void @unknown(ptr %arg1, ptr %arg2, ptr %arg3, ptr %arg4) |
| ret void |
| } |
| define void @nonnull_assume_neg(ptr %arg1, ptr %arg2, ptr %arg3, ptr %arg4) { |
| ; ATTRIBUTOR-LABEL: define {{[^@]+}}@nonnull_assume_neg |
| ; ATTRIBUTOR-SAME: (ptr [[ARG1:%.*]], ptr [[ARG2:%.*]], ptr [[ARG3:%.*]], ptr [[ARG4:%.*]]) |
| ; ATTRIBUTOR-NEXT: call void @unknown(ptr [[ARG1]], ptr [[ARG2]], ptr [[ARG3]], ptr [[ARG4]]) |
| ; ATTRIBUTOR-NEXT: call void @llvm.assume(i1 true) [ "nofree"(ptr [[ARG1]]), "nofree"(ptr [[ARG3]]) ] |
| ; ATTRIBUTOR-NEXT: ret void |
| ; |
| ; CHECK-LABEL: define {{[^@]+}}@nonnull_assume_neg |
| ; CHECK-SAME: (ptr [[ARG1:%.*]], ptr [[ARG2:%.*]], ptr [[ARG3:%.*]], ptr [[ARG4:%.*]]) { |
| ; CHECK-NEXT: call void @unknown(ptr [[ARG1]], ptr [[ARG2]], ptr [[ARG3]], ptr [[ARG4]]) |
| ; CHECK-NEXT: call void @llvm.assume(i1 noundef true) [ "nofree"(ptr [[ARG1]]), "nofree"(ptr [[ARG3]]) ] |
| ; CHECK-NEXT: ret void |
| ; |
| call void @unknown(ptr %arg1, ptr %arg2, ptr %arg3, ptr %arg4) |
| call void @llvm.assume(i1 true) ["nofree"(ptr %arg1), "nofree"(ptr %arg3)] |
| ret void |
| } |
| define void @nonnull_assume_call(ptr %arg1, ptr %arg2, ptr %arg3, ptr %arg4) { |
| ; ATTRIBUTOR-LABEL: define {{[^@]+}}@nonnull_assume_call |
| ; ATTRIBUTOR-SAME: (ptr [[ARG1:%.*]], ptr [[ARG2:%.*]], ptr [[ARG3:%.*]], ptr [[ARG4:%.*]]) |
| ; ATTRIBUTOR-NEXT: call void @unknown(ptr [[ARG1]], ptr [[ARG2]], ptr [[ARG3]], ptr [[ARG4]]) |
| ; ATTRIBUTOR-NEXT: call void @use_i8_ptr(ptr noalias readnone [[ARG1]]) |
| ; ATTRIBUTOR-NEXT: call void @use_i8_ptr(ptr noalias readnone [[ARG2]]) |
| ; ATTRIBUTOR-NEXT: call void @llvm.assume(i1 true) [ "nofree"(ptr [[ARG1]]), "nofree"(ptr [[ARG3]]) ] |
| ; ATTRIBUTOR-NEXT: call void @use_i8_ptr(ptr noalias nofree readnone [[ARG3]]) |
| ; ATTRIBUTOR-NEXT: call void @use_i8_ptr(ptr noalias readnone [[ARG4]]) |
| ; ATTRIBUTOR-NEXT: call void @use_i8_ptr_ret(ptr noalias nofree readnone [[ARG1]]) |
| ; ATTRIBUTOR-NEXT: call void @use_i8_ptr_ret(ptr noalias readnone [[ARG2]]) |
| ; ATTRIBUTOR-NEXT: call void @llvm.assume(i1 true) [ "nofree"(ptr [[ARG1]]), "nofree"(ptr [[ARG4]]) ] |
| ; ATTRIBUTOR-NEXT: call void @use_i8_ptr_ret(ptr noalias nofree readnone [[ARG3]]) |
| ; ATTRIBUTOR-NEXT: call void @use_i8_ptr_ret(ptr noalias nofree readnone [[ARG4]]) |
| ; ATTRIBUTOR-NEXT: ret void |
| ; |
| ; CHECK-LABEL: define {{[^@]+}}@nonnull_assume_call |
| ; CHECK-SAME: (ptr [[ARG1:%.*]], ptr [[ARG2:%.*]], ptr [[ARG3:%.*]], ptr [[ARG4:%.*]]) { |
| ; CHECK-NEXT: call void @unknown(ptr [[ARG1]], ptr [[ARG2]], ptr [[ARG3]], ptr [[ARG4]]) |
| ; CHECK-NEXT: call void @use_i8_ptr(ptr noalias nocapture nofree readnone [[ARG1]]) #[[ATTR0]] |
| ; CHECK-NEXT: call void @use_i8_ptr(ptr noalias nocapture nofree readnone [[ARG2]]) #[[ATTR0]] |
| ; CHECK-NEXT: call void @llvm.assume(i1 noundef true) [ "nofree"(ptr [[ARG1]]), "nofree"(ptr [[ARG3]]) ] |
| ; CHECK-NEXT: call void @use_i8_ptr(ptr noalias nocapture nofree readnone [[ARG3]]) #[[ATTR0]] |
| ; CHECK-NEXT: call void @use_i8_ptr(ptr noalias nocapture nofree readnone [[ARG4]]) #[[ATTR0]] |
| ; CHECK-NEXT: call void @use_i8_ptr_ret(ptr noalias nocapture nofree readnone [[ARG1]]) #[[ATTR0]] |
| ; CHECK-NEXT: call void @use_i8_ptr_ret(ptr noalias nocapture nofree readnone [[ARG2]]) #[[ATTR0]] |
| ; CHECK-NEXT: call void @llvm.assume(i1 noundef true) [ "nofree"(ptr [[ARG1]]), "nofree"(ptr [[ARG4]]) ] |
| ; CHECK-NEXT: call void @use_i8_ptr_ret(ptr noalias nocapture nofree readnone [[ARG3]]) #[[ATTR0]] |
| ; CHECK-NEXT: call void @use_i8_ptr_ret(ptr noalias nocapture nofree readnone [[ARG4]]) #[[ATTR0]] |
| ; CHECK-NEXT: ret void |
| ; |
| call void @unknown(ptr %arg1, ptr %arg2, ptr %arg3, ptr %arg4) |
| call void @use_i8_ptr(ptr %arg1) |
| call void @use_i8_ptr(ptr %arg2) |
| call void @llvm.assume(i1 true) ["nofree"(ptr %arg1), "nofree"(ptr %arg3)] |
| call void @use_i8_ptr(ptr %arg3) |
| call void @use_i8_ptr(ptr %arg4) |
| call void @use_i8_ptr_ret(ptr %arg1) |
| call void @use_i8_ptr_ret(ptr %arg2) |
| call void @llvm.assume(i1 true) ["nofree"(ptr %arg1), "nofree"(ptr %arg4)] |
| call void @use_i8_ptr_ret(ptr %arg3) |
| call void @use_i8_ptr_ret(ptr %arg4) |
| ret void |
| } |
| |
| ; FIXME: function is nofree |
| define weak void @implied_nofree1() readnone { |
| ; CHECK: Function Attrs: nosync memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@implied_nofree1 |
| ; CHECK-SAME: () #[[ATTR9:[0-9]+]] { |
| ; CHECK-NEXT: ret void |
| ; |
| ret void |
| } |
| ; FIXME: function is nofree |
| define weak void @implied_nofree2() readonly { |
| ; CHECK: Function Attrs: nosync memory(read) |
| ; CHECK-LABEL: define {{[^@]+}}@implied_nofree2 |
| ; CHECK-SAME: () #[[ATTR10:[0-9]+]] { |
| ; CHECK-NEXT: ret void |
| ; |
| ret void |
| } |
| define weak void @implied_nofree3(ptr readnone %a) { |
| ; CHECK-LABEL: define {{[^@]+}}@implied_nofree3 |
| ; CHECK-SAME: (ptr nofree readnone [[A:%.*]]) { |
| ; CHECK-NEXT: ret void |
| ; |
| ret void |
| } |
| define weak void @implied_nofree4(ptr readonly %a) { |
| ; CHECK-LABEL: define {{[^@]+}}@implied_nofree4 |
| ; CHECK-SAME: (ptr nofree readonly [[A:%.*]]) { |
| ; CHECK-NEXT: ret void |
| ; |
| ret void |
| } |
| ; FIXME: %a is nofree |
| define weak void @implied_nofree5(ptr %a) readonly { |
| ; CHECK: Function Attrs: nosync memory(read) |
| ; CHECK-LABEL: define {{[^@]+}}@implied_nofree5 |
| ; CHECK-SAME: (ptr [[A:%.*]]) #[[ATTR10]] { |
| ; CHECK-NEXT: ret void |
| ; |
| ret void |
| } |
| define weak void @implied_nofree6(ptr %a) nofree { |
| ; CHECK: Function Attrs: nofree |
| ; CHECK-LABEL: define {{[^@]+}}@implied_nofree6 |
| ; CHECK-SAME: (ptr nofree [[A:%.*]]) #[[ATTR11:[0-9]+]] { |
| ; CHECK-NEXT: ret void |
| ; |
| ret void |
| } |
| |
| declare void @llvm.assume(i1) |
| declare void @unknown(ptr, ptr, ptr, ptr) |
| declare void @use_i8_ptr(ptr nocapture readnone) nounwind |
| declare void @use_i8_ptr_ret(ptr nocapture readnone) nounwind willreturn |
| |
| declare noalias ptr @malloc(i64) |
| |
| attributes #0 = { nounwind uwtable noinline } |
| attributes #1 = { nounwind } |
| attributes #2 = { nobuiltin nounwind } |
| ;. |
| ; TUNIT: attributes #[[ATTR0]] = { nounwind } |
| ; TUNIT: attributes #[[ATTR1]] = { noinline nounwind uwtable } |
| ; TUNIT: attributes #[[ATTR2]] = { nobuiltin nounwind } |
| ; TUNIT: attributes #[[ATTR3]] = { mustprogress nofree noinline norecurse nosync nounwind willreturn memory(none) uwtable } |
| ; TUNIT: attributes #[[ATTR4]] = { mustprogress nofree noinline nosync nounwind willreturn memory(none) uwtable } |
| ; TUNIT: attributes #[[ATTR5:[0-9]+]] = { nofree noinline nounwind memory(none) uwtable } |
| ; TUNIT: attributes #[[ATTR6:[0-9]+]] = { nocallback nofree nosync nounwind speculatable willreturn memory(none) } |
| ; TUNIT: attributes #[[ATTR7]] = { nofree nounwind } |
| ; TUNIT: attributes #[[ATTR8]] = { nobuiltin nofree nounwind } |
| ; TUNIT: attributes #[[ATTR9]] = { nosync memory(none) } |
| ; TUNIT: attributes #[[ATTR10]] = { nosync memory(read) } |
| ; TUNIT: attributes #[[ATTR11]] = { nofree } |
| ; TUNIT: attributes #[[ATTR12:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write) } |
| ; TUNIT: attributes #[[ATTR13:[0-9]+]] = { nounwind willreturn } |
| ; TUNIT: attributes #[[ATTR14]] = { nofree nosync willreturn } |
| ; TUNIT: attributes #[[ATTR15]] = { nofree willreturn memory(write) } |
| ;. |
| ; CGSCC: attributes #[[ATTR0]] = { nounwind } |
| ; CGSCC: attributes #[[ATTR1]] = { noinline nounwind uwtable } |
| ; CGSCC: attributes #[[ATTR2]] = { nobuiltin nounwind } |
| ; CGSCC: attributes #[[ATTR3]] = { mustprogress nofree noinline norecurse nosync nounwind willreturn memory(none) uwtable } |
| ; CGSCC: attributes #[[ATTR4:[0-9]+]] = { nofree noinline nounwind memory(none) uwtable } |
| ; CGSCC: attributes #[[ATTR5]] = { mustprogress nofree noinline nosync nounwind willreturn memory(none) uwtable } |
| ; CGSCC: attributes #[[ATTR6:[0-9]+]] = { nocallback nofree nosync nounwind speculatable willreturn memory(none) } |
| ; CGSCC: attributes #[[ATTR7]] = { nofree nounwind } |
| ; CGSCC: attributes #[[ATTR8]] = { nobuiltin nofree nounwind } |
| ; CGSCC: attributes #[[ATTR9]] = { nosync memory(none) } |
| ; CGSCC: attributes #[[ATTR10]] = { nosync memory(read) } |
| ; CGSCC: attributes #[[ATTR11]] = { nofree } |
| ; CGSCC: attributes #[[ATTR12:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write) } |
| ; CGSCC: attributes #[[ATTR13:[0-9]+]] = { nounwind willreturn } |
| ; CGSCC: attributes #[[ATTR14]] = { nofree nosync willreturn } |
| ; CGSCC: attributes #[[ATTR15]] = { nofree willreturn memory(write) } |
| ;. |