| ; 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 |
| |
| ; TEST 1 - negative. |
| |
| ; void *G; |
| ; void *foo(){ |
| ; void *V = malloc(4); |
| ; G = V; |
| ; return V; |
| ; } |
| |
| @G = external global ptr |
| |
| ;. |
| ; CHECK: @[[G:[a-zA-Z0-9_$"\\.-]+]] = external global ptr |
| ; CHECK: @[[ALIAS_OF_P:[a-zA-Z0-9_$"\\.-]+]] = external global ptr |
| ;. |
| define ptr @foo() { |
| ; CHECK-LABEL: define {{[^@]+}}@foo() { |
| ; CHECK-NEXT: [[TMP1:%.*]] = tail call noalias ptr @malloc(i64 noundef 4) |
| ; CHECK-NEXT: store ptr [[TMP1]], ptr @G, align 8 |
| ; CHECK-NEXT: ret ptr [[TMP1]] |
| ; |
| %1 = tail call noalias ptr @malloc(i64 4) |
| store ptr %1, ptr @G, align 8 |
| ret ptr %1 |
| } |
| |
| declare noalias ptr @malloc(i64) |
| |
| ; TEST 2 |
| ; call noalias function in return instruction. |
| |
| define ptr @return_noalias(){ |
| ; CHECK-LABEL: define {{[^@]+}}@return_noalias() { |
| ; CHECK-NEXT: [[TMP1:%.*]] = tail call noalias ptr @malloc(i64 noundef 4) |
| ; CHECK-NEXT: ret ptr [[TMP1]] |
| ; |
| %1 = tail call noalias ptr @malloc(i64 4) |
| ret ptr %1 |
| } |
| |
| define void @nocapture(ptr %a){ |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@nocapture |
| ; CHECK-SAME: (ptr nocapture nofree readnone [[A:%.*]]) #[[ATTR0:[0-9]+]] { |
| ; CHECK-NEXT: ret void |
| ; |
| ret void |
| } |
| |
| define ptr @return_noalias_looks_like_capture(){ |
| ; CHECK-LABEL: define {{[^@]+}}@return_noalias_looks_like_capture() { |
| ; CHECK-NEXT: [[TMP1:%.*]] = tail call noalias ptr @malloc(i64 noundef 4) |
| ; CHECK-NEXT: ret ptr [[TMP1]] |
| ; |
| %1 = tail call noalias ptr @malloc(i64 4) |
| call void @nocapture(ptr %1) |
| ret ptr %1 |
| } |
| |
| define ptr @return_noalias_casted(){ |
| ; CHECK-LABEL: define {{[^@]+}}@return_noalias_casted() { |
| ; CHECK-NEXT: [[TMP1:%.*]] = tail call noalias ptr @malloc(i64 noundef 4) |
| ; CHECK-NEXT: ret ptr [[TMP1]] |
| ; |
| %1 = tail call noalias ptr @malloc(i64 4) |
| ret ptr %1 |
| } |
| |
| declare ptr @alias() |
| |
| ; TEST 3 |
| define ptr @call_alias(){ |
| ; CHECK-LABEL: define {{[^@]+}}@call_alias() { |
| ; CHECK-NEXT: [[TMP1:%.*]] = tail call ptr @alias() |
| ; CHECK-NEXT: ret ptr [[TMP1]] |
| ; |
| %1 = tail call ptr @alias() |
| ret ptr %1 |
| } |
| |
| ; TEST 4 |
| ; void *baz(); |
| ; void *foo(int a); |
| ; |
| ; void *bar() { |
| ; foo(0); |
| ; return baz(); |
| ; } |
| ; |
| ; void *foo(int a) { |
| ; if (a) |
| ; bar(); |
| ; return malloc(4); |
| ; } |
| |
| define ptr @bar() nounwind uwtable { |
| ; TUNIT: Function Attrs: nounwind uwtable |
| ; TUNIT-LABEL: define {{[^@]+}}@bar |
| ; TUNIT-SAME: () #[[ATTR1:[0-9]+]] { |
| ; TUNIT-NEXT: [[TMP1:%.*]] = tail call ptr (...) @baz() #[[ATTR2:[0-9]+]] |
| ; TUNIT-NEXT: ret ptr [[TMP1]] |
| ; |
| ; CGSCC: Function Attrs: nounwind uwtable |
| ; CGSCC-LABEL: define {{[^@]+}}@bar |
| ; CGSCC-SAME: () #[[ATTR1:[0-9]+]] { |
| ; CGSCC-NEXT: [[TMP1:%.*]] = tail call ptr (...) @baz() #[[ATTR3:[0-9]+]] |
| ; CGSCC-NEXT: ret ptr [[TMP1]] |
| ; |
| %1 = tail call ptr (...) @baz() |
| ret ptr %1 |
| } |
| |
| define ptr @foo1(i32 %0) nounwind uwtable { |
| ; TUNIT: Function Attrs: nounwind uwtable |
| ; TUNIT-LABEL: define {{[^@]+}}@foo1 |
| ; TUNIT-SAME: (i32 [[TMP0:%.*]]) #[[ATTR1]] { |
| ; TUNIT-NEXT: [[TMP2:%.*]] = icmp eq i32 [[TMP0]], 0 |
| ; TUNIT-NEXT: br i1 [[TMP2]], label [[TMP5:%.*]], label [[TMP3:%.*]] |
| ; TUNIT: 3: |
| ; TUNIT-NEXT: [[TMP4:%.*]] = tail call ptr (...) @baz() #[[ATTR2]] |
| ; TUNIT-NEXT: br label [[TMP5]] |
| ; TUNIT: 5: |
| ; TUNIT-NEXT: [[TMP6:%.*]] = tail call noalias ptr @malloc(i64 noundef 4) |
| ; TUNIT-NEXT: ret ptr [[TMP6]] |
| ; |
| ; CGSCC: Function Attrs: nounwind uwtable |
| ; CGSCC-LABEL: define {{[^@]+}}@foo1 |
| ; CGSCC-SAME: (i32 [[TMP0:%.*]]) #[[ATTR1]] { |
| ; CGSCC-NEXT: [[TMP2:%.*]] = icmp eq i32 [[TMP0]], 0 |
| ; CGSCC-NEXT: br i1 [[TMP2]], label [[TMP5:%.*]], label [[TMP3:%.*]] |
| ; CGSCC: 3: |
| ; CGSCC-NEXT: [[TMP4:%.*]] = tail call ptr (...) @baz() #[[ATTR3]] |
| ; CGSCC-NEXT: br label [[TMP5]] |
| ; CGSCC: 5: |
| ; CGSCC-NEXT: [[TMP6:%.*]] = tail call noalias ptr @malloc(i64 noundef 4) |
| ; CGSCC-NEXT: ret ptr [[TMP6]] |
| ; |
| %2 = icmp eq i32 %0, 0 |
| br i1 %2, label %5, label %3 |
| |
| 3: ; preds = %1 |
| %4 = tail call ptr (...) @baz() |
| br label %5 |
| |
| 5: ; preds = %1, %3 |
| %6 = tail call noalias ptr @malloc(i64 4) |
| ret ptr %6 |
| } |
| |
| declare ptr @baz(...) nounwind uwtable |
| |
| ; TEST 5 |
| |
| ; Returning global pointer. Should not be noalias. |
| define ptr @getter() { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@getter |
| ; CHECK-SAME: () #[[ATTR0]] { |
| ; CHECK-NEXT: ret ptr @G |
| ; |
| ret ptr @G |
| } |
| |
| ; Returning global pointer. Should not be noalias. |
| define ptr @calle1(){ |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; TUNIT-LABEL: define {{[^@]+}}@calle1 |
| ; TUNIT-SAME: () #[[ATTR0]] { |
| ; TUNIT-NEXT: ret ptr @G |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none) |
| ; CGSCC-LABEL: define {{[^@]+}}@calle1 |
| ; CGSCC-SAME: () #[[ATTR2:[0-9]+]] { |
| ; CGSCC-NEXT: [[TMP1:%.*]] = call noundef nonnull align 8 dereferenceable(8) ptr @getter() #[[ATTR12:[0-9]+]] |
| ; CGSCC-NEXT: ret ptr [[TMP1]] |
| ; |
| %1 = call ptr @getter() |
| ret ptr %1 |
| } |
| |
| ; TEST 6 |
| declare noalias ptr @strdup(ptr nocapture) nounwind |
| |
| define ptr @test6() nounwind uwtable ssp { |
| ; TUNIT: Function Attrs: nounwind ssp uwtable |
| ; TUNIT-LABEL: define {{[^@]+}}@test6 |
| ; TUNIT-SAME: () #[[ATTR3:[0-9]+]] { |
| ; TUNIT-NEXT: [[X:%.*]] = alloca [2 x i8], align 1 |
| ; TUNIT-NEXT: store i8 97, ptr [[X]], align 1 |
| ; TUNIT-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds [2 x i8], ptr [[X]], i64 0, i64 1 |
| ; TUNIT-NEXT: store i8 0, ptr [[ARRAYIDX1]], align 1 |
| ; TUNIT-NEXT: [[CALL:%.*]] = call noalias ptr @strdup(ptr noalias nocapture noundef nonnull dereferenceable(2) [[X]]) #[[ATTR2]] |
| ; TUNIT-NEXT: ret ptr [[CALL]] |
| ; |
| ; CGSCC: Function Attrs: nounwind ssp uwtable |
| ; CGSCC-LABEL: define {{[^@]+}}@test6 |
| ; CGSCC-SAME: () #[[ATTR4:[0-9]+]] { |
| ; CGSCC-NEXT: [[X:%.*]] = alloca [2 x i8], align 1 |
| ; CGSCC-NEXT: store i8 97, ptr [[X]], align 1 |
| ; CGSCC-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds [2 x i8], ptr [[X]], i64 0, i64 1 |
| ; CGSCC-NEXT: store i8 0, ptr [[ARRAYIDX1]], align 1 |
| ; CGSCC-NEXT: [[CALL:%.*]] = call noalias ptr @strdup(ptr noalias nocapture noundef nonnull dereferenceable(2) [[X]]) #[[ATTR3]] |
| ; CGSCC-NEXT: ret ptr [[CALL]] |
| ; |
| %x = alloca [2 x i8], align 1 |
| store i8 97, ptr %x, align 1 |
| %arrayidx1 = getelementptr inbounds [2 x i8], ptr %x, i64 0, i64 1 |
| store i8 0, ptr %arrayidx1, align 1 |
| %call = call noalias ptr @strdup(ptr %x) nounwind |
| ret ptr %call |
| } |
| |
| ; TEST 7 |
| |
| define ptr @test7() nounwind { |
| ; TUNIT: Function Attrs: nounwind |
| ; TUNIT-LABEL: define {{[^@]+}}@test7 |
| ; TUNIT-SAME: () #[[ATTR2]] { |
| ; TUNIT-NEXT: entry: |
| ; TUNIT-NEXT: [[A:%.*]] = call noalias ptr @malloc(i64 noundef 4) #[[ATTR2]] |
| ; TUNIT-NEXT: [[TOBOOL:%.*]] = icmp eq ptr [[A]], null |
| ; TUNIT-NEXT: br i1 [[TOBOOL]], label [[RETURN:%.*]], label [[IF_END:%.*]] |
| ; TUNIT: if.end: |
| ; TUNIT-NEXT: store i8 7, ptr [[A]], align 1 |
| ; TUNIT-NEXT: br label [[RETURN]] |
| ; TUNIT: return: |
| ; TUNIT-NEXT: [[RETVAL_0:%.*]] = phi ptr [ [[A]], [[IF_END]] ], [ null, [[ENTRY:%.*]] ] |
| ; TUNIT-NEXT: ret ptr [[RETVAL_0]] |
| ; |
| ; CGSCC: Function Attrs: nounwind |
| ; CGSCC-LABEL: define {{[^@]+}}@test7 |
| ; CGSCC-SAME: () #[[ATTR3]] { |
| ; CGSCC-NEXT: entry: |
| ; CGSCC-NEXT: [[A:%.*]] = call noalias ptr @malloc(i64 noundef 4) #[[ATTR3]] |
| ; CGSCC-NEXT: [[TOBOOL:%.*]] = icmp eq ptr [[A]], null |
| ; CGSCC-NEXT: br i1 [[TOBOOL]], label [[RETURN:%.*]], label [[IF_END:%.*]] |
| ; CGSCC: if.end: |
| ; CGSCC-NEXT: store i8 7, ptr [[A]], align 1 |
| ; CGSCC-NEXT: br label [[RETURN]] |
| ; CGSCC: return: |
| ; CGSCC-NEXT: [[RETVAL_0:%.*]] = phi ptr [ [[A]], [[IF_END]] ], [ null, [[ENTRY:%.*]] ] |
| ; CGSCC-NEXT: ret ptr [[RETVAL_0]] |
| ; |
| entry: |
| %A = call noalias ptr @malloc(i64 4) nounwind |
| %tobool = icmp eq ptr %A, null |
| br i1 %tobool, label %return, label %if.end |
| |
| if.end: |
| store i8 7, ptr %A |
| br label %return |
| |
| return: |
| %retval.0 = phi ptr [ %A, %if.end ], [ null, %entry ] |
| ret ptr %retval.0 |
| } |
| |
| ; TEST 8 |
| |
| define ptr @test8(ptr %0) nounwind uwtable { |
| ; CHECK: Function Attrs: nounwind uwtable |
| ; CHECK-LABEL: define {{[^@]+}}@test8 |
| ; CHECK-SAME: (ptr [[TMP0:%.*]]) #[[ATTR1:[0-9]+]] { |
| ; CHECK-NEXT: [[TMP2:%.*]] = tail call noalias ptr @malloc(i64 noundef 4) |
| ; CHECK-NEXT: [[TMP3:%.*]] = icmp ne ptr [[TMP0]], null |
| ; CHECK-NEXT: br i1 [[TMP3]], label [[TMP4:%.*]], label [[TMP5:%.*]] |
| ; CHECK: 4: |
| ; CHECK-NEXT: store i8 10, ptr [[TMP2]], align 1 |
| ; CHECK-NEXT: br label [[TMP5]] |
| ; CHECK: 5: |
| ; CHECK-NEXT: ret ptr [[TMP2]] |
| ; |
| %2 = tail call noalias ptr @malloc(i64 4) |
| %3 = icmp ne ptr %0, null |
| br i1 %3, label %4, label %5 |
| |
| 4: ; preds = %1 |
| store i8 10, ptr %2 |
| br label %5 |
| |
| 5: ; preds = %1, %4 |
| ret ptr %2 |
| } |
| |
| ; TEST 9 |
| ; Simple Argument Test |
| declare void @use_i8(ptr nocapture) |
| define internal void @test9a(ptr %a, ptr %b) { |
| ; TUNIT: Function Attrs: memory(readwrite, argmem: none) |
| ; TUNIT-LABEL: define {{[^@]+}}@test9a |
| ; TUNIT-SAME: () #[[ATTR4:[0-9]+]] { |
| ; TUNIT-NEXT: call void @use_i8(ptr noundef align 4294967296 null) |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: memory(readwrite, argmem: none) |
| ; CGSCC-LABEL: define {{[^@]+}}@test9a |
| ; CGSCC-SAME: () #[[ATTR5:[0-9]+]] { |
| ; CGSCC-NEXT: call void @use_i8(ptr noundef align 4294967296 null) |
| ; CGSCC-NEXT: ret void |
| ; |
| call void @use_i8(ptr null) |
| ret void |
| } |
| define internal void @test9b(ptr %a, ptr %b) { |
| ; FIXME: %b should be noalias |
| ; CHECK-LABEL: define {{[^@]+}}@test9b |
| ; CHECK-SAME: (ptr noalias nocapture [[A:%.*]], ptr nocapture [[B:%.*]]) { |
| ; CHECK-NEXT: call void @use_i8(ptr noalias nocapture [[A]]) |
| ; CHECK-NEXT: call void @use_i8(ptr nocapture [[B]]) |
| ; CHECK-NEXT: ret void |
| ; |
| call void @use_i8(ptr %a) |
| call void @use_i8(ptr %b) |
| ret void |
| } |
| define internal void @test9c(ptr %a, ptr %b, ptr %c) { |
| ; CHECK-LABEL: define {{[^@]+}}@test9c |
| ; CHECK-SAME: (ptr noalias nocapture [[A:%.*]], ptr nocapture [[B:%.*]], ptr nocapture [[C:%.*]]) { |
| ; CHECK-NEXT: call void @use_i8(ptr noalias nocapture [[A]]) |
| ; CHECK-NEXT: call void @use_i8(ptr nocapture [[B]]) |
| ; CHECK-NEXT: call void @use_i8(ptr nocapture [[C]]) |
| ; CHECK-NEXT: ret void |
| ; |
| call void @use_i8(ptr %a) |
| call void @use_i8(ptr %b) |
| call void @use_i8(ptr %c) |
| ret void |
| } |
| define void @test9_helper(ptr %a, ptr %b) { |
| ; CHECK-LABEL: define {{[^@]+}}@test9_helper |
| ; CHECK-SAME: (ptr nocapture [[A:%.*]], ptr nocapture [[B:%.*]]) { |
| ; CHECK-NEXT: tail call void @test9a() |
| ; CHECK-NEXT: tail call void @test9a() |
| ; CHECK-NEXT: tail call void @test9b(ptr noalias nocapture [[A]], ptr nocapture [[B]]) |
| ; CHECK-NEXT: tail call void @test9b(ptr noalias nocapture [[B]], ptr noalias nocapture [[A]]) |
| ; CHECK-NEXT: tail call void @test9c(ptr noalias nocapture [[A]], ptr nocapture [[B]], ptr nocapture [[B]]) |
| ; CHECK-NEXT: tail call void @test9c(ptr noalias nocapture [[B]], ptr noalias nocapture [[A]], ptr noalias nocapture [[A]]) |
| ; CHECK-NEXT: ret void |
| ; |
| tail call void @test9a(ptr noalias %a, ptr %b) |
| tail call void @test9a(ptr noalias %b, ptr noalias %a) |
| tail call void @test9b(ptr noalias %a, ptr %b) |
| tail call void @test9b(ptr noalias %b, ptr noalias %a) |
| tail call void @test9c(ptr noalias %a, ptr %b, ptr %b) |
| tail call void @test9c(ptr noalias %b, ptr noalias %a, ptr noalias %a) |
| ret void |
| } |
| |
| |
| ; TEST 10 |
| ; Simple CallSite Test |
| |
| declare void @test10_helper_1(ptr %a) |
| define void @test10_helper_2(ptr noalias %a) { |
| ; CHECK-LABEL: define {{[^@]+}}@test10_helper_2 |
| ; CHECK-SAME: (ptr noalias [[A:%.*]]) { |
| ; CHECK-NEXT: tail call void @test10_helper_1(ptr [[A]]) |
| ; CHECK-NEXT: ret void |
| ; |
| tail call void @test10_helper_1(ptr %a) |
| ret void |
| } |
| define void @test10(ptr noalias %a) { |
| ; CHECK-LABEL: define {{[^@]+}}@test10 |
| ; CHECK-SAME: (ptr noalias [[A:%.*]]) { |
| ; CHECK-NEXT: tail call void @test10_helper_1(ptr [[A]]) |
| ; CHECK-NEXT: tail call void @test10_helper_2(ptr [[A]]) |
| ; CHECK-NEXT: ret void |
| ; |
| ; FIXME: missing noalias |
| tail call void @test10_helper_1(ptr %a) |
| |
| tail call void @test10_helper_2(ptr %a) |
| ret void |
| } |
| |
| ; TEST 11 |
| ; CallSite Test |
| |
| declare void @test11_helper(ptr %a, ptr %b) |
| define void @test11(ptr noalias %a) { |
| ; CHECK-LABEL: define {{[^@]+}}@test11 |
| ; CHECK-SAME: (ptr noalias [[A:%.*]]) { |
| ; CHECK-NEXT: tail call void @test11_helper(ptr [[A]], ptr [[A]]) |
| ; CHECK-NEXT: ret void |
| ; |
| tail call void @test11_helper(ptr %a, ptr %a) |
| ret void |
| } |
| |
| |
| ; TEST 12 |
| ; CallSite Argument |
| declare void @use_nocapture(ptr nocapture) |
| declare void @use(ptr) |
| define void @test12_1() { |
| ; CHECK-LABEL: define {{[^@]+}}@test12_1() { |
| ; CHECK-NEXT: [[A:%.*]] = alloca i8, align 4 |
| ; CHECK-NEXT: [[B:%.*]] = tail call noalias ptr @malloc(i64 noundef 4) |
| ; CHECK-NEXT: tail call void @use_nocapture(ptr noalias nocapture noundef nonnull align 4 dereferenceable(1) [[A]]) |
| ; CHECK-NEXT: tail call void @use_nocapture(ptr noalias nocapture noundef nonnull align 4 dereferenceable(1) [[A]]) |
| ; CHECK-NEXT: tail call void @use_nocapture(ptr noalias nocapture [[B]]) |
| ; CHECK-NEXT: tail call void @use_nocapture(ptr noalias nocapture [[B]]) |
| ; CHECK-NEXT: ret void |
| ; |
| %A = alloca i8, align 4 |
| %B = tail call noalias ptr @malloc(i64 4) |
| tail call void @use_nocapture(ptr %A) |
| tail call void @use_nocapture(ptr %A) |
| tail call void @use_nocapture(ptr %B) |
| tail call void @use_nocapture(ptr %B) |
| ret void |
| } |
| |
| define void @test12_2(){ |
| ; CHECK-LABEL: define {{[^@]+}}@test12_2() { |
| ; CHECK-NEXT: [[A:%.*]] = tail call noalias ptr @malloc(i64 noundef 4) |
| ; CHECK-NEXT: tail call void @use_nocapture(ptr nocapture [[A]]) |
| ; CHECK-NEXT: tail call void @use_nocapture(ptr nocapture [[A]]) |
| ; CHECK-NEXT: tail call void @use(ptr [[A]]) |
| ; CHECK-NEXT: tail call void @use_nocapture(ptr nocapture [[A]]) |
| ; CHECK-NEXT: ret void |
| ; |
| ; FIXME: This should be @use_nocapture(ptr noalias [[A]]) |
| ; FIXME: This should be @use_nocapture(ptr noalias nocapture [[A]]) |
| %A = tail call noalias ptr @malloc(i64 4) |
| tail call void @use_nocapture(ptr %A) |
| tail call void @use_nocapture(ptr %A) |
| tail call void @use(ptr %A) |
| tail call void @use_nocapture(ptr %A) |
| ret void |
| } |
| |
| declare void @two_args(ptr nocapture , ptr nocapture) |
| define void @test12_3(){ |
| ; CHECK-LABEL: define {{[^@]+}}@test12_3() { |
| ; CHECK-NEXT: [[A:%.*]] = tail call noalias ptr @malloc(i64 noundef 4) |
| ; CHECK-NEXT: tail call void @two_args(ptr nocapture [[A]], ptr nocapture [[A]]) |
| ; CHECK-NEXT: ret void |
| ; |
| %A = tail call noalias ptr @malloc(i64 4) |
| tail call void @two_args(ptr %A, ptr %A) |
| ret void |
| } |
| |
| define void @test12_4(){ |
| ; CHECK-LABEL: define {{[^@]+}}@test12_4() { |
| ; CHECK-NEXT: [[A:%.*]] = tail call noalias ptr @malloc(i64 noundef 4) |
| ; CHECK-NEXT: [[B:%.*]] = tail call noalias ptr @malloc(i64 noundef 4) |
| ; CHECK-NEXT: [[A_1:%.*]] = getelementptr i8, ptr [[A]], i64 1 |
| ; CHECK-NEXT: tail call void @two_args(ptr noalias nocapture [[A]], ptr noalias nocapture [[B]]) |
| ; CHECK-NEXT: tail call void @two_args(ptr nocapture [[A]], ptr nocapture [[A]]) |
| ; CHECK-NEXT: tail call void @two_args(ptr nocapture [[A]], ptr nocapture [[A_1]]) |
| ; CHECK-NEXT: tail call void @two_args(ptr noalias nocapture [[A]], ptr noalias nocapture [[B]]) |
| ; CHECK-NEXT: ret void |
| ; |
| %A = tail call noalias ptr @malloc(i64 4) |
| %B = tail call noalias ptr @malloc(i64 4) |
| %A_1 = getelementptr i8, ptr %A, i64 1 |
| |
| tail call void @two_args(ptr %A, ptr %B) |
| |
| tail call void @two_args(ptr %A, ptr %A) |
| |
| tail call void @two_args(ptr %A, ptr %A_1) |
| |
| ; FIXME: This should be @two_args(ptr noalias nocapture %A, ptr noalias nocapture %B) |
| tail call void @two_args(ptr %A, ptr %B) |
| ret void |
| } |
| |
| ; TEST 13 |
| define void @use_i8_internal(ptr %a) { |
| ; CHECK-LABEL: define {{[^@]+}}@use_i8_internal |
| ; CHECK-SAME: (ptr nocapture [[A:%.*]]) { |
| ; CHECK-NEXT: call void @use_i8(ptr nocapture [[A]]) |
| ; CHECK-NEXT: ret void |
| ; |
| call void @use_i8(ptr %a) |
| ret void |
| } |
| |
| define void @test13_use_noalias(){ |
| ; CHECK-LABEL: define {{[^@]+}}@test13_use_noalias() { |
| ; CHECK-NEXT: [[M1:%.*]] = tail call noalias ptr @malloc(i64 noundef 4) |
| ; CHECK-NEXT: call void @use_i8_internal(ptr noalias nocapture [[M1]]) |
| ; CHECK-NEXT: ret void |
| ; |
| ; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@test13_use_noalias() |
| ; IS__CGSCC_OPM-NEXT: [[M1:%.*]] = tail call noalias ptr @malloc(i64 4) |
| ; IS__CGSCC_OPM-NEXT: call void @use_i8_internal(ptr noalias [[M1]]) |
| ; IS__CGSCC_OPM-NEXT: ret void |
| %m1 = tail call noalias ptr @malloc(i64 4) |
| call void @use_i8_internal(ptr %m1) |
| ret void |
| } |
| |
| define void @test13_use_alias(){ |
| ; CHECK-LABEL: define {{[^@]+}}@test13_use_alias() { |
| ; CHECK-NEXT: [[M1:%.*]] = tail call noalias ptr @malloc(i64 noundef 4) |
| ; CHECK-NEXT: call void @use_i8_internal(ptr noalias nocapture [[M1]]) |
| ; CHECK-NEXT: call void @use_i8_internal(ptr noalias nocapture [[M1]]) |
| ; CHECK-NEXT: ret void |
| ; |
| %m1 = tail call noalias ptr @malloc(i64 4) |
| call void @use_i8_internal(ptr %m1) |
| call void @use_i8_internal(ptr %m1) |
| ret void |
| } |
| |
| ; TEST 14 i2p casts |
| define internal i32 @p2i(ptr %arg) { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@p2i |
| ; CHECK-SAME: (ptr noalias nofree readnone [[ARG:%.*]]) #[[ATTR0]] { |
| ; CHECK-NEXT: [[P2I:%.*]] = ptrtoint ptr [[ARG]] to i32 |
| ; CHECK-NEXT: ret i32 [[P2I]] |
| ; |
| %p2i = ptrtoint ptr %arg to i32 |
| ret i32 %p2i |
| } |
| |
| define i32 @i2p(ptr %arg) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read) |
| ; TUNIT-LABEL: define {{[^@]+}}@i2p |
| ; TUNIT-SAME: (ptr nofree readonly [[ARG:%.*]]) #[[ATTR5:[0-9]+]] { |
| ; TUNIT-NEXT: [[C:%.*]] = call i32 @p2i(ptr noalias nofree readnone [[ARG]]) #[[ATTR11:[0-9]+]] |
| ; TUNIT-NEXT: [[I2P:%.*]] = inttoptr i32 [[C]] to ptr |
| ; TUNIT-NEXT: [[CALL:%.*]] = call i32 @ret(ptr nocapture nofree noundef readonly align 4 [[I2P]]) #[[ATTR12:[0-9]+]] |
| ; TUNIT-NEXT: ret i32 [[CALL]] |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(read) |
| ; CGSCC-LABEL: define {{[^@]+}}@i2p |
| ; CGSCC-SAME: (ptr nofree readonly [[ARG:%.*]]) #[[ATTR6:[0-9]+]] { |
| ; CGSCC-NEXT: [[C:%.*]] = call i32 @p2i(ptr noalias nofree readnone [[ARG]]) #[[ATTR12]] |
| ; CGSCC-NEXT: [[I2P:%.*]] = inttoptr i32 [[C]] to ptr |
| ; CGSCC-NEXT: [[CALL:%.*]] = call i32 @ret(ptr nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[I2P]]) #[[ATTR13:[0-9]+]] |
| ; CGSCC-NEXT: ret i32 [[CALL]] |
| ; |
| %c = call i32 @p2i(ptr %arg) |
| %i2p = inttoptr i32 %c to ptr |
| %call = call i32 @ret(ptr %i2p) |
| ret i32 %call |
| } |
| define internal i32 @ret(ptr %arg) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) |
| ; TUNIT-LABEL: define {{[^@]+}}@ret |
| ; TUNIT-SAME: (ptr nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[ARG:%.*]]) #[[ATTR6:[0-9]+]] { |
| ; TUNIT-NEXT: [[L:%.*]] = load i32, ptr [[ARG]], align 4 |
| ; TUNIT-NEXT: ret i32 [[L]] |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) |
| ; CGSCC-LABEL: define {{[^@]+}}@ret |
| ; CGSCC-SAME: (ptr nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[ARG:%.*]]) #[[ATTR7:[0-9]+]] { |
| ; CGSCC-NEXT: [[L:%.*]] = load i32, ptr [[ARG]], align 4 |
| ; CGSCC-NEXT: ret i32 [[L]] |
| ; |
| %l = load i32, ptr %arg |
| ret i32 %l |
| } |
| |
| ; Test to propagate noalias where value is assumed to be no-capture in all the |
| ; uses possibly executed before this callsite. |
| ; IR referred from musl/src/strtod.c file |
| |
| %struct._IO_FILE = type { i32, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i32, ptr, ptr, i32, i32, i32, i16, i8, i8, i32, i32, ptr, i64, ptr, ptr, ptr, [4 x i8], i64, i64, ptr, ptr, ptr, [4 x i8] } |
| %struct.__locale_struct = type { [6 x ptr] } |
| %struct.__locale_map = type opaque |
| |
| ; Function Attrs: nounwind optsize |
| define internal fastcc double @strtox(ptr %s, ptr %p, i32 %prec) unnamed_addr { |
| ; TUNIT-LABEL: define {{[^@]+}}@strtox |
| ; TUNIT-SAME: (ptr [[S:%.*]]) unnamed_addr { |
| ; TUNIT-NEXT: entry: |
| ; TUNIT-NEXT: [[F:%.*]] = alloca [[STRUCT__IO_FILE:%.*]], align 8 |
| ; TUNIT-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 144, ptr nocapture nofree noundef nonnull align 8 dereferenceable(240) [[F]]) #[[ATTR13:[0-9]+]] |
| ; TUNIT-NEXT: [[CALL:%.*]] = call i32 @sh_fromstring(ptr noundef nonnull align 8 dereferenceable(240) [[F]], ptr [[S]]) |
| ; TUNIT-NEXT: call void @__shlim(ptr noundef nonnull align 8 dereferenceable(240) [[F]], i64 noundef 0) |
| ; TUNIT-NEXT: [[CALL1:%.*]] = call double @__floatscan(ptr noundef nonnull align 8 dereferenceable(240) [[F]], i32 noundef 1, i32 noundef 1) |
| ; TUNIT-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 144, ptr nocapture nofree noundef nonnull align 8 dereferenceable(240) [[F]]) |
| ; TUNIT-NEXT: ret double [[CALL1]] |
| ; |
| ; CGSCC-LABEL: define {{[^@]+}}@strtox |
| ; CGSCC-SAME: (ptr [[S:%.*]]) unnamed_addr { |
| ; CGSCC-NEXT: entry: |
| ; CGSCC-NEXT: [[F:%.*]] = alloca [[STRUCT__IO_FILE:%.*]], align 8 |
| ; CGSCC-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 144, ptr nocapture nofree noundef nonnull align 8 dereferenceable(240) [[F]]) #[[ATTR14:[0-9]+]] |
| ; CGSCC-NEXT: [[CALL:%.*]] = call i32 @sh_fromstring(ptr noundef nonnull align 8 dereferenceable(240) [[F]], ptr [[S]]) |
| ; CGSCC-NEXT: call void @__shlim(ptr noundef nonnull align 8 dereferenceable(240) [[F]], i64 noundef 0) |
| ; CGSCC-NEXT: [[CALL1:%.*]] = call double @__floatscan(ptr noundef nonnull align 8 dereferenceable(240) [[F]], i32 noundef 1, i32 noundef 1) |
| ; CGSCC-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 144, ptr nocapture nofree noundef nonnull align 8 dereferenceable(240) [[F]]) |
| ; CGSCC-NEXT: ret double [[CALL1]] |
| ; |
| entry: |
| %f = alloca %struct._IO_FILE, align 8 |
| call void @llvm.lifetime.start.p0(i64 144, ptr nonnull %f) |
| %call = call i32 @sh_fromstring(ptr nonnull %f, ptr %s) |
| call void @__shlim(ptr nonnull %f, i64 0) |
| %call1 = call double @__floatscan(ptr nonnull %f, i32 %prec, i32 1) |
| call void @llvm.lifetime.end.p0(i64 144, ptr nonnull %f) |
| |
| ret double %call1 |
| } |
| |
| ; Function Attrs: nounwind optsize |
| define dso_local double @strtod(ptr noalias %s, ptr noalias %p) { |
| ; CHECK-LABEL: define {{[^@]+}}@strtod |
| ; CHECK-SAME: (ptr noalias [[S:%.*]], ptr noalias nocapture nofree readnone [[P:%.*]]) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call fastcc double @strtox(ptr [[S]]) |
| ; CHECK-NEXT: ret double [[CALL]] |
| ; |
| entry: |
| %call = tail call fastcc double @strtox(ptr %s, ptr %p, i32 1) |
| ret double %call |
| } |
| |
| ; Function Attrs: argmemonly nounwind willreturn |
| declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) |
| |
| ; Function Attrs: optsize |
| declare dso_local i32 @sh_fromstring(...) local_unnamed_addr |
| |
| ; Function Attrs: optsize |
| declare dso_local void @__shlim(ptr, i64) local_unnamed_addr |
| |
| ; Function Attrs: optsize |
| declare dso_local double @__floatscan(ptr, i32, i32) local_unnamed_addr |
| |
| ; Function Attrs: argmemonly nounwind willreturn |
| declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) |
| |
| ; Test 15 |
| ; propagate noalias to some callsite arguments that there is no possibly reachable capture before it |
| |
| @alias_of_p = external global ptr |
| |
| define void @make_alias(ptr %p) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write) |
| ; TUNIT-LABEL: define {{[^@]+}}@make_alias |
| ; TUNIT-SAME: (ptr nofree writeonly [[P:%.*]]) #[[ATTR8:[0-9]+]] { |
| ; TUNIT-NEXT: store ptr [[P]], ptr @alias_of_p, align 8 |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write) |
| ; CGSCC-LABEL: define {{[^@]+}}@make_alias |
| ; CGSCC-SAME: (ptr nofree writeonly [[P:%.*]]) #[[ATTR9:[0-9]+]] { |
| ; CGSCC-NEXT: store ptr [[P]], ptr @alias_of_p, align 8 |
| ; CGSCC-NEXT: ret void |
| ; |
| store ptr %p, ptr @alias_of_p |
| ret void |
| } |
| |
| define void @only_store(ptr %p) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) |
| ; TUNIT-LABEL: define {{[^@]+}}@only_store |
| ; TUNIT-SAME: (ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[P:%.*]]) #[[ATTR9:[0-9]+]] { |
| ; TUNIT-NEXT: store i32 0, ptr [[P]], align 4 |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) |
| ; CGSCC-LABEL: define {{[^@]+}}@only_store |
| ; CGSCC-SAME: (ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[P:%.*]]) #[[ATTR10:[0-9]+]] { |
| ; CGSCC-NEXT: store i32 0, ptr [[P]], align 4 |
| ; CGSCC-NEXT: ret void |
| ; |
| store i32 0, ptr %p |
| ret void |
| } |
| |
| define void @test15_caller(ptr noalias %p, i32 %c) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write) |
| ; TUNIT-LABEL: define {{[^@]+}}@test15_caller |
| ; TUNIT-SAME: (ptr noalias nofree writeonly [[P:%.*]], i32 [[C:%.*]]) #[[ATTR8]] { |
| ; TUNIT-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C]], 0 |
| ; TUNIT-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]] |
| ; TUNIT: if.then: |
| ; TUNIT-NEXT: tail call void @only_store(ptr noalias nocapture nofree noundef writeonly align 4 [[P]]) #[[ATTR14:[0-9]+]] |
| ; TUNIT-NEXT: br label [[IF_END]] |
| ; TUNIT: if.end: |
| ; TUNIT-NEXT: tail call void @make_alias(ptr nofree writeonly [[P]]) #[[ATTR14]] |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(write) |
| ; CGSCC-LABEL: define {{[^@]+}}@test15_caller |
| ; CGSCC-SAME: (ptr noalias nofree writeonly [[P:%.*]], i32 [[C:%.*]]) #[[ATTR11:[0-9]+]] { |
| ; CGSCC-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C]], 0 |
| ; CGSCC-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]] |
| ; CGSCC: if.then: |
| ; CGSCC-NEXT: tail call void @only_store(ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[P]]) #[[ATTR15:[0-9]+]] |
| ; CGSCC-NEXT: br label [[IF_END]] |
| ; CGSCC: if.end: |
| ; CGSCC-NEXT: tail call void @make_alias(ptr nofree writeonly [[P]]) #[[ATTR15]] |
| ; CGSCC-NEXT: ret void |
| ; |
| %tobool = icmp eq i32 %c, 0 |
| br i1 %tobool, label %if.end, label %if.then |
| |
| |
| if.then: |
| tail call void @only_store(ptr %p) |
| br label %if.end |
| |
| if.end: |
| tail call void @make_alias(ptr %p) |
| ret void |
| } |
| |
| ; Test 16 |
| ; |
| ; __attribute__((noinline)) static void test16_sub(int * restrict p, int c1, int c2) { |
| ; if (c1) { |
| ; only_store(p); |
| ; make_alias(p); |
| ; } |
| ; if (!c2) { |
| ; only_store(p); |
| ; } |
| ; } |
| ; void test16_caller(int * restrict p, int c) { |
| ; test16_sub(p, c, c); |
| ; } |
| ; |
| ; FIXME: this should be tail @only_store(ptr noalias %p) |
| ; when test16_caller is called, c1 always equals to c2. (Note that linkage is internal) |
| ; Therefore, only one of the two conditions of if statementes will be fulfilled. |
| |
| define internal void @test16_sub(ptr noalias %p, i32 %c1, i32 %c2) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write) |
| ; TUNIT-LABEL: define {{[^@]+}}@test16_sub |
| ; TUNIT-SAME: (ptr noalias nofree writeonly [[P:%.*]], i32 [[C1:%.*]], i32 [[C2:%.*]]) #[[ATTR8]] { |
| ; TUNIT-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C1]], 0 |
| ; TUNIT-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]] |
| ; TUNIT: if.then: |
| ; TUNIT-NEXT: tail call void @only_store(ptr nocapture nofree noundef writeonly align 4 [[P]]) #[[ATTR14]] |
| ; TUNIT-NEXT: tail call void @make_alias(ptr nofree writeonly align 4 [[P]]) #[[ATTR14]] |
| ; TUNIT-NEXT: br label [[IF_END]] |
| ; TUNIT: if.end: |
| ; TUNIT-NEXT: [[TOBOOL1:%.*]] = icmp eq i32 [[C2]], 0 |
| ; TUNIT-NEXT: br i1 [[TOBOOL1]], label [[IF_THEN2:%.*]], label [[IF_END3:%.*]] |
| ; TUNIT: if.then2: |
| ; TUNIT-NEXT: tail call void @only_store(ptr nocapture nofree noundef writeonly align 4 [[P]]) #[[ATTR14]] |
| ; TUNIT-NEXT: br label [[IF_END3]] |
| ; TUNIT: if.end3: |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(write) |
| ; CGSCC-LABEL: define {{[^@]+}}@test16_sub |
| ; CGSCC-SAME: (ptr noalias nofree writeonly [[P:%.*]], i32 [[C1:%.*]], i32 [[C2:%.*]]) #[[ATTR11]] { |
| ; CGSCC-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C1]], 0 |
| ; CGSCC-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]] |
| ; CGSCC: if.then: |
| ; CGSCC-NEXT: tail call void @only_store(ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[P]]) #[[ATTR15]] |
| ; CGSCC-NEXT: tail call void @make_alias(ptr nofree nonnull writeonly align 4 dereferenceable(4) [[P]]) #[[ATTR15]] |
| ; CGSCC-NEXT: br label [[IF_END]] |
| ; CGSCC: if.end: |
| ; CGSCC-NEXT: [[TOBOOL1:%.*]] = icmp eq i32 [[C2]], 0 |
| ; CGSCC-NEXT: br i1 [[TOBOOL1]], label [[IF_THEN2:%.*]], label [[IF_END3:%.*]] |
| ; CGSCC: if.then2: |
| ; CGSCC-NEXT: tail call void @only_store(ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[P]]) #[[ATTR15]] |
| ; CGSCC-NEXT: br label [[IF_END3]] |
| ; CGSCC: if.end3: |
| ; CGSCC-NEXT: ret void |
| ; |
| %tobool = icmp eq i32 %c1, 0 |
| br i1 %tobool, label %if.end, label %if.then |
| |
| if.then: |
| tail call void @only_store(ptr %p) |
| tail call void @make_alias(ptr %p) |
| br label %if.end |
| if.end: |
| |
| %tobool1 = icmp eq i32 %c2, 0 |
| br i1 %tobool1, label %if.then2, label %if.end3 |
| |
| if.then2: |
| tail call void @only_store(ptr %p) |
| br label %if.end3 |
| if.end3: |
| |
| ret void |
| } |
| |
| define void @test16_caller(ptr %p, i32 %c) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write) |
| ; TUNIT-LABEL: define {{[^@]+}}@test16_caller |
| ; TUNIT-SAME: (ptr nofree writeonly [[P:%.*]], i32 [[C:%.*]]) #[[ATTR8]] { |
| ; TUNIT-NEXT: tail call void @test16_sub(ptr nofree writeonly [[P]], i32 [[C]], i32 [[C]]) #[[ATTR14]] |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(write) |
| ; CGSCC-LABEL: define {{[^@]+}}@test16_caller |
| ; CGSCC-SAME: (ptr nofree writeonly [[P:%.*]], i32 [[C:%.*]]) #[[ATTR11]] { |
| ; CGSCC-NEXT: tail call void @test16_sub(ptr nofree writeonly [[P]], i32 [[C]], i32 [[C]]) #[[ATTR15]] |
| ; CGSCC-NEXT: ret void |
| ; |
| tail call void @test16_sub(ptr %p, i32 %c, i32 %c) |
| ret void |
| } |
| |
| ; test 17 |
| ; |
| ; only_store is not called after make_alias is called. |
| ; |
| ; void test17_caller(int* p, int c) { |
| ; if(c) { |
| ; make_alias(p); |
| ; if(0 == 0) { |
| ; goto l3; |
| ; } else { |
| ; goto l2; |
| ; } |
| ; } |
| ; l2: |
| ; only_store(p); |
| ; l3: |
| ; return; |
| ; } |
| |
| define void @test17_caller(ptr noalias %p, i32 %c) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write) |
| ; TUNIT-LABEL: define {{[^@]+}}@test17_caller |
| ; TUNIT-SAME: (ptr noalias nofree writeonly [[P:%.*]], i32 [[C:%.*]]) #[[ATTR8]] { |
| ; TUNIT-NEXT: entry: |
| ; TUNIT-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C]], 0 |
| ; TUNIT-NEXT: br i1 [[TOBOOL]], label [[L1:%.*]], label [[L2:%.*]] |
| ; TUNIT: l1: |
| ; TUNIT-NEXT: tail call void @make_alias(ptr nofree writeonly [[P]]) #[[ATTR14]] |
| ; TUNIT-NEXT: br label [[L3:%.*]] |
| ; TUNIT: l2: |
| ; TUNIT-NEXT: tail call void @only_store(ptr noalias nocapture nofree noundef writeonly align 4 [[P]]) #[[ATTR14]] |
| ; TUNIT-NEXT: br label [[L3]] |
| ; TUNIT: l3: |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(write) |
| ; CGSCC-LABEL: define {{[^@]+}}@test17_caller |
| ; CGSCC-SAME: (ptr noalias nofree writeonly [[P:%.*]], i32 [[C:%.*]]) #[[ATTR11]] { |
| ; CGSCC-NEXT: entry: |
| ; CGSCC-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C]], 0 |
| ; CGSCC-NEXT: br i1 [[TOBOOL]], label [[L1:%.*]], label [[L2:%.*]] |
| ; CGSCC: l1: |
| ; CGSCC-NEXT: tail call void @make_alias(ptr nofree writeonly [[P]]) #[[ATTR15]] |
| ; CGSCC-NEXT: br label [[L3:%.*]] |
| ; CGSCC: l2: |
| ; CGSCC-NEXT: tail call void @only_store(ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[P]]) #[[ATTR15]] |
| ; CGSCC-NEXT: br label [[L3]] |
| ; CGSCC: l3: |
| ; CGSCC-NEXT: ret void |
| ; |
| entry: |
| %tobool = icmp eq i32 %c, 0 |
| br i1 %tobool, label %l1, label %l2 |
| |
| l1: |
| tail call void @make_alias(ptr %p) |
| %tobool2 = icmp eq i32 0, 0 |
| br i1 %tobool2, label %l3, label %l2 |
| |
| l2: |
| tail call void @only_store(ptr %p) |
| br label %l3 |
| |
| l3: |
| ret void |
| } |
| |
| ; test 18 |
| ; void test18_caller(int* p, int c) { |
| ; if(c) { |
| ; make_alias(p); |
| ; noreturn(); |
| ; } |
| ; only_store(p); |
| ; return; |
| ; } |
| |
| define void @noreturn() { |
| ; TUNIT: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none) |
| ; TUNIT-LABEL: define {{[^@]+}}@noreturn |
| ; TUNIT-SAME: () #[[ATTR10:[0-9]+]] { |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none) |
| ; CGSCC-LABEL: define {{[^@]+}}@noreturn |
| ; CGSCC-SAME: () #[[ATTR2]] { |
| ; CGSCC-NEXT: ret void |
| ; |
| call void @noreturn() |
| ret void |
| } |
| |
| define void @test18_caller(ptr noalias %p, i32 %c) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write) |
| ; TUNIT-LABEL: define {{[^@]+}}@test18_caller |
| ; TUNIT-SAME: (ptr noalias nofree writeonly [[P:%.*]], i32 [[C:%.*]]) #[[ATTR8]] { |
| ; TUNIT-NEXT: entry: |
| ; TUNIT-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C]], 0 |
| ; TUNIT-NEXT: br i1 [[TOBOOL]], label [[L1:%.*]], label [[L2:%.*]] |
| ; TUNIT: l1: |
| ; TUNIT-NEXT: tail call void @make_alias(ptr nofree writeonly [[P]]) #[[ATTR14]] |
| ; TUNIT-NEXT: br label [[L2]] |
| ; TUNIT: l2: |
| ; TUNIT-NEXT: tail call void @only_store(ptr nocapture nofree noundef writeonly align 4 [[P]]) #[[ATTR14]] |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(write) |
| ; CGSCC-LABEL: define {{[^@]+}}@test18_caller |
| ; CGSCC-SAME: (ptr noalias nofree nonnull writeonly align 4 dereferenceable(4) [[P:%.*]], i32 [[C:%.*]]) #[[ATTR11]] { |
| ; CGSCC-NEXT: entry: |
| ; CGSCC-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[C]], 0 |
| ; CGSCC-NEXT: br i1 [[TOBOOL]], label [[L1:%.*]], label [[L2:%.*]] |
| ; CGSCC: l1: |
| ; CGSCC-NEXT: tail call void @make_alias(ptr nofree nonnull writeonly align 4 dereferenceable(4) [[P]]) #[[ATTR15]] |
| ; CGSCC-NEXT: br label [[L2]] |
| ; CGSCC: l2: |
| ; CGSCC-NEXT: tail call void @only_store(ptr nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[P]]) #[[ATTR15]] |
| ; CGSCC-NEXT: ret void |
| ; |
| entry: |
| %tobool = icmp eq i32 %c, 0 |
| br i1 %tobool, label %l1, label %l2 |
| |
| l1: |
| tail call void @make_alias(ptr %p) |
| tail call void @noreturn() |
| br label %l2 |
| |
| l2: |
| tail call void @only_store(ptr %p) |
| ret void |
| } |
| ;. |
| ; TUNIT: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) } |
| ; TUNIT: attributes #[[ATTR1]] = { nounwind uwtable } |
| ; TUNIT: attributes #[[ATTR2]] = { nounwind } |
| ; TUNIT: attributes #[[ATTR3]] = { nounwind ssp uwtable } |
| ; TUNIT: attributes #[[ATTR4]] = { memory(readwrite, argmem: none) } |
| ; TUNIT: attributes #[[ATTR5]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(read) } |
| ; TUNIT: attributes #[[ATTR6]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) } |
| ; TUNIT: attributes #[[ATTR7:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) } |
| ; TUNIT: attributes #[[ATTR8]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(write) } |
| ; TUNIT: attributes #[[ATTR9]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) } |
| ; TUNIT: attributes #[[ATTR10]] = { mustprogress nofree nosync nounwind willreturn memory(none) } |
| ; TUNIT: attributes #[[ATTR11]] = { nofree nosync nounwind willreturn memory(none) } |
| ; TUNIT: attributes #[[ATTR12]] = { nofree nosync nounwind willreturn memory(read) } |
| ; TUNIT: attributes #[[ATTR13]] = { nofree willreturn memory(readwrite) } |
| ; TUNIT: attributes #[[ATTR14]] = { nofree nosync nounwind willreturn memory(write) } |
| ;. |
| ; CGSCC: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) } |
| ; CGSCC: attributes #[[ATTR1]] = { nounwind uwtable } |
| ; CGSCC: attributes #[[ATTR2]] = { mustprogress nofree nosync nounwind willreturn memory(none) } |
| ; CGSCC: attributes #[[ATTR3]] = { nounwind } |
| ; CGSCC: attributes #[[ATTR4]] = { nounwind ssp uwtable } |
| ; CGSCC: attributes #[[ATTR5]] = { memory(readwrite, argmem: none) } |
| ; CGSCC: attributes #[[ATTR6]] = { mustprogress nofree nosync nounwind willreturn memory(read) } |
| ; CGSCC: attributes #[[ATTR7]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) } |
| ; CGSCC: attributes #[[ATTR8:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) } |
| ; CGSCC: attributes #[[ATTR9]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(write) } |
| ; CGSCC: attributes #[[ATTR10]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) } |
| ; CGSCC: attributes #[[ATTR11]] = { mustprogress nofree nosync nounwind willreturn memory(write) } |
| ; CGSCC: attributes #[[ATTR12]] = { nofree nosync willreturn } |
| ; CGSCC: attributes #[[ATTR13]] = { nofree willreturn memory(read) } |
| ; CGSCC: attributes #[[ATTR14]] = { nofree willreturn memory(readwrite) } |
| ; CGSCC: attributes #[[ATTR15]] = { nofree nounwind willreturn memory(write) } |
| ;. |
