; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-attributes --check-globals --version 2 ; 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 %struct.Foo = type { i32, i32, i8 } @.str = private unnamed_addr constant [17 x i8] c"The value is %d\0A\00", align 1 ;. ; CHECK: @.str = private unnamed_addr constant [17 x i8] c"The value is %d\0A\00", align 1 ;. define dso_local void @positive_alloca_1(i32 noundef %val) #0 { ; CHECK-LABEL: define dso_local void @positive_alloca_1 ; CHECK-SAME: (i32 noundef [[VAL:%.*]]) { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[VAL_ADDR1:%.*]] = alloca i8, i32 4, align 4 ; CHECK-NEXT: [[F2:%.*]] = alloca i8, i32 4, align 4 ; CHECK-NEXT: store i32 [[VAL]], ptr [[VAL_ADDR1]], align 4 ; CHECK-NEXT: store i32 10, ptr [[F2]], align 4 ; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[F2]], align 4 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP0]], 1 ; CHECK-NEXT: store i32 [[ADD]], ptr [[F2]], align 4 ; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[F2]], align 4 ; CHECK-NEXT: [[ADD3:%.*]] = add nsw i32 [[TMP1]], [[VAL]] ; CHECK-NEXT: [[CALL:%.*]] = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(17) @.str, i32 noundef [[ADD3]]) ; CHECK-NEXT: ret void ; entry: %val.addr = alloca i64, align 4 %f = alloca %struct.Foo, align 4 store i32 %val, ptr %val.addr, align 4 %field1 = getelementptr inbounds %struct.Foo, ptr %f, i32 0, i32 0 store i32 10, ptr %field1, align 4 %field11 = getelementptr inbounds %struct.Foo, ptr %f, i32 0, i32 0 %0 = load i32, ptr %field11, align 4 %add = add nsw i32 %0, 1 store i32 %add, ptr %field11, align 4 %field12 = getelementptr inbounds %struct.Foo, ptr %f, i32 0, i32 0 %1 = load i32, ptr %field12, align 4 %2 = load i32, ptr %val.addr, align 4 %add3 = add nsw i32 %1, %2 %call = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %add3) ret void } ; TODO: change malloc like call ; Function Attrs: noinline nounwind uwtable define dso_local void @positive_malloc_1(ptr noundef %val) #0 { ; CHECK-LABEL: define dso_local void @positive_malloc_1 ; CHECK-SAME: (ptr nofree noundef readonly captures(none) [[VAL:%.*]]) { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[VAL_ADDR:%.*]] = alloca ptr, align 8 ; CHECK-NEXT: [[F:%.*]] = alloca ptr, align 8 ; CHECK-NEXT: store ptr [[VAL]], ptr [[VAL_ADDR]], align 8 ; CHECK-NEXT: [[CALL:%.*]] = call noalias ptr @malloc(i64 noundef 12) ; CHECK-NEXT: store ptr [[CALL]], ptr [[F]], align 8 ; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[VAL]], align 4 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP0]], 10 ; CHECK-NEXT: store i32 [[ADD]], ptr [[CALL]], align 4 ; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[CALL]], align 4 ; CHECK-NEXT: [[CALL2:%.*]] = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(17) @.str, i32 noundef [[TMP1]]) ; CHECK-NEXT: ret void ; entry: %val.addr = alloca ptr, align 8 %f = alloca ptr, align 8 store ptr %val, ptr %val.addr, align 8 %call = call noalias ptr @malloc(i64 noundef 12) #3 store ptr %call, ptr %f, align 8 %0 = load ptr, ptr %val.addr, align 8 %1 = load i32, ptr %0, align 4 %add = add nsw i32 %1, 10 %2 = load ptr, ptr %f, align 8 %a = getelementptr inbounds %struct.Foo, ptr %2, i32 0, i32 0 store i32 %add, ptr %a, align 4 %3 = load ptr, ptr %f, align 8 %a1 = getelementptr inbounds %struct.Foo, ptr %3, i32 0, i32 0 %4 = load i32, ptr %a1, align 4 %call2 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %4) ret void } ; TODO: change malloc like call ; Function Attrs: noinline nounwind uwtable define dso_local void @positive_malloc_2(ptr noundef %val) #0 { ; CHECK-LABEL: define dso_local void @positive_malloc_2 ; CHECK-SAME: (ptr nofree noundef readonly captures(none) [[VAL:%.*]]) { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[VAL_ADDR:%.*]] = alloca ptr, align 8 ; CHECK-NEXT: [[F:%.*]] = alloca ptr, align 8 ; CHECK-NEXT: store ptr [[VAL]], ptr [[VAL_ADDR]], align 8 ; CHECK-NEXT: [[CALL:%.*]] = call noalias ptr @malloc(i64 noundef 60) ; CHECK-NEXT: store ptr [[CALL]], ptr [[F]], align 8 ; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[VAL]], align 4 ; CHECK-NEXT: store i32 [[TMP0]], ptr [[CALL]], align 4 ; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[CALL]], align 4 ; CHECK-NEXT: [[CALL2:%.*]] = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(17) @.str, i32 noundef [[TMP1]]) ; CHECK-NEXT: ret void ; entry: %val.addr = alloca ptr, align 8 %x = alloca i32, align 4 %f = alloca ptr, align 8 store ptr %val, ptr %val.addr, align 8 store i32 15, ptr %x, align 4 %0 = load i32, ptr %x, align 4 %conv = sext i32 %0 to i64 %mul = mul i64 4, %conv %call = call noalias ptr @malloc(i64 noundef %mul) store ptr %call, ptr %f, align 8 %1 = load ptr, ptr %val.addr, align 8 %2 = load i32, ptr %1, align 4 %3 = load ptr, ptr %f, align 8 %arrayidx = getelementptr inbounds i32, ptr %3, i64 0 store i32 %2, ptr %arrayidx, align 4 %4 = load ptr, ptr %f, align 8 %arrayidx1 = getelementptr inbounds i32, ptr %4, i64 0 %5 = load i32, ptr %arrayidx1, align 4 %call2 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %5) ret void } ; Function Attrs: noinline nounwind uwtable define dso_local ptr @negative_test_escaping_pointer(i32 noundef %val) #0 { ; CHECK-LABEL: define dso_local ptr @negative_test_escaping_pointer ; CHECK-SAME: (i32 noundef [[VAL:%.*]]) { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[VAL_ADDR:%.*]] = alloca i32, align 4 ; CHECK-NEXT: [[F:%.*]] = alloca ptr, align 8 ; CHECK-NEXT: store i32 [[VAL]], ptr [[VAL_ADDR]], align 4 ; CHECK-NEXT: [[CALL:%.*]] = call noalias ptr @malloc(i64 noundef 16) ; CHECK-NEXT: store ptr [[CALL]], ptr [[F]], align 8 ; CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[F]], align 8 ; CHECK-NEXT: store i32 2, ptr [[TMP0]], align 8 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 10, [[VAL]] ; CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[F]], align 8 ; CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[TMP1]], align 8 ; CHECK-NEXT: [[ADD2:%.*]] = add nsw i32 [[TMP2]], [[ADD]] ; CHECK-NEXT: store i32 [[ADD2]], ptr [[TMP1]], align 8 ; CHECK-NEXT: [[TMP3:%.*]] = load ptr, ptr [[F]], align 8 ; CHECK-NEXT: ret ptr [[TMP3]] ; entry: %val.addr = alloca i32, align 4 %f = alloca ptr, align 8 store i32 %val, ptr %val.addr, align 4 %call = call noalias ptr @malloc(i64 noundef 16) #2 store ptr %call, ptr %f, align 8 %0 = load ptr, ptr %f, align 8 %field1 = getelementptr inbounds %struct.Foo, ptr %0, i32 0, i32 0 store i32 2, ptr %field1, align 8 %1 = load i32, ptr %val.addr, align 4 %add = add nsw i32 10, %1 %2 = load ptr, ptr %f, align 8 %field11 = getelementptr inbounds %struct.Foo, ptr %2, i32 0, i32 0 %3 = load i32, ptr %field11, align 8 %add2 = add nsw i32 %3, %add store i32 %add2, ptr %field11, align 8 %4 = load ptr, ptr %f, align 8 ret ptr %4 } ;TODO: The allocation can be reduced here. ;However, the offsets (load/store etc.) Need to be changed. ; Function Attrs: noinline nounwind uwtable define dso_local { i64, ptr } @positive_test_not_a_single_start_offset(i32 noundef %val) #0 { ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) ; CHECK-LABEL: define dso_local { i64, ptr } @positive_test_not_a_single_start_offset ; CHECK-SAME: (i32 noundef [[VAL:%.*]]) #[[ATTR0:[0-9]+]] { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[RETVAL:%.*]] = alloca [[STRUCT_FOO:%.*]], align 8 ; CHECK-NEXT: [[VAL_ADDR:%.*]] = alloca i32, align 4 ; CHECK-NEXT: store i32 [[VAL]], ptr [[VAL_ADDR]], align 4 ; CHECK-NEXT: store i32 2, ptr [[RETVAL]], align 8 ; CHECK-NEXT: [[FIELD3:%.*]] = getelementptr inbounds [[STRUCT_FOO]], ptr [[RETVAL]], i32 0, i32 2 ; CHECK-NEXT: store ptr [[VAL_ADDR]], ptr [[FIELD3]], align 8 ; CHECK-NEXT: [[TMP0:%.*]] = load { i64, ptr }, ptr [[RETVAL]], align 8 ; CHECK-NEXT: ret { i64, ptr } [[TMP0]] ; entry: %retval = alloca %struct.Foo, align 8 %val.addr = alloca i32, align 4 store i32 %val, ptr %val.addr, align 4 %field1 = getelementptr inbounds %struct.Foo, ptr %retval, i32 0, i32 0 store i32 2, ptr %field1, align 8 %field3 = getelementptr inbounds %struct.Foo, ptr %retval, i32 0, i32 2 store ptr %val.addr, ptr %field3, align 8 %0 = load { i64, ptr }, ptr %retval, align 8 ret { i64, ptr } %0 } ; Function Attrs: noinline nounwind uwtable define dso_local void @positive_test_reduce_array_allocation_1() { ; CHECK-LABEL: define dso_local void @positive_test_reduce_array_allocation_1() { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ARRAY1:%.*]] = alloca i8, i32 4, align 8 ; CHECK-NEXT: store i32 0, ptr [[ARRAY1]], align 8 ; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[ARRAY1]], align 8 ; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[TMP0]], 2 ; CHECK-NEXT: store i32 [[TMP1]], ptr [[ARRAY1]], align 8 ; CHECK-NEXT: [[TMP2:%.*]] = add i32 1, 2 ; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[ARRAY1]], align 8 ; CHECK-NEXT: [[TMP4:%.*]] = add i32 [[TMP2]], [[TMP3]] ; CHECK-NEXT: store i32 [[TMP4]], ptr [[ARRAY1]], align 8 ; CHECK-NEXT: [[TMP5:%.*]] = load i32, ptr [[ARRAY1]], align 8 ; CHECK-NEXT: [[CALL:%.*]] = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(17) @.str, i32 noundef [[TMP5]]) ; CHECK-NEXT: ret void ; entry: %array = alloca ptr, i32 10 store i32 0, ptr %array %0 = load i32, ptr %array %1 = add i32 %0, 2 store i32 %1, ptr %array %2 = add i32 1, 2 %3 = load i32, ptr %array %4 = add i32 %2, %3 store i32 %4, ptr %array %5 = load i32, ptr %array %call = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %5) ret void } ; Function Attrs: noinline nounwind uwtable ; TODO: Here the array size is not known at compile time. ; However the array does not escape and is only partially used. ; Should the optimization reduce the allocation size regardless? Based on AAPointerInfo. define dso_local void @baz(ptr noundef %val, i32 noundef %arrayLength) #0 { ; CHECK-LABEL: define dso_local void @baz ; CHECK-SAME: (ptr nofree noundef readonly captures(none) [[VAL:%.*]], i32 noundef [[ARRAYLENGTH:%.*]]) { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[VAL_ADDR:%.*]] = alloca ptr, align 8 ; CHECK-NEXT: [[ARRAYLENGTH_ADDR:%.*]] = alloca i32, align 4 ; CHECK-NEXT: [[F:%.*]] = alloca ptr, align 8 ; CHECK-NEXT: store ptr [[VAL]], ptr [[VAL_ADDR]], align 8 ; CHECK-NEXT: store i32 [[ARRAYLENGTH]], ptr [[ARRAYLENGTH_ADDR]], align 4 ; CHECK-NEXT: [[CONV:%.*]] = sext i32 [[ARRAYLENGTH]] to i64 ; CHECK-NEXT: [[MUL:%.*]] = mul i64 4, [[CONV]] ; CHECK-NEXT: [[CALL:%.*]] = call noalias ptr @malloc(i64 noundef [[MUL]]) ; CHECK-NEXT: store ptr [[CALL]], ptr [[F]], align 8 ; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[VAL]], align 4 ; CHECK-NEXT: store i32 [[TMP0]], ptr [[CALL]], align 4 ; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[CALL]], align 4 ; CHECK-NEXT: [[CALL2:%.*]] = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(17) @.str, i32 noundef [[TMP1]]) ; CHECK-NEXT: ret void ; entry: %val.addr = alloca ptr, align 8 %arrayLength.addr = alloca i32, align 4 %f = alloca ptr, align 8 store ptr %val, ptr %val.addr, align 8 store i32 %arrayLength, ptr %arrayLength.addr, align 4 %0 = load i32, ptr %arrayLength.addr, align 4 %conv = sext i32 %0 to i64 %mul = mul i64 4, %conv %call = call noalias ptr @malloc(i64 noundef %mul) #3 store ptr %call, ptr %f, align 8 %1 = load ptr, ptr %val.addr, align 8 %2 = load i32, ptr %1, align 4 %3 = load ptr, ptr %f, align 8 %arrayidx = getelementptr inbounds i32, ptr %3, i64 0 store i32 %2, ptr %arrayidx, align 4 %4 = load ptr, ptr %f, align 8 %arrayidx1 = getelementptr inbounds i32, ptr %4, i64 0 %5 = load i32, ptr %arrayidx1, align 4 %call2 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %5) ret void } ;TODO: Here since only even indexes of the array are part of the output ;We can reduce the allocation by half and make an array that's accessed contiguously ; Function Attrs: noinline nounwind uwtable define dso_local void @positive_test_reduce_array_allocation_2() #0 { ; CHECK-LABEL: define dso_local void @positive_test_reduce_array_allocation_2() { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ARRAY:%.*]] = alloca ptr, align 8 ; CHECK-NEXT: [[I:%.*]] = alloca i32, align 4 ; CHECK-NEXT: [[CALL:%.*]] = call noalias ptr @malloc(i64 noundef 40000) ; CHECK-NEXT: store ptr [[CALL]], ptr [[ARRAY]], align 8 ; CHECK-NEXT: store i32 0, ptr [[I]], align 4 ; CHECK-NEXT: br label [[FOR_COND:%.*]] ; CHECK: for.cond: ; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[I]], align 4 ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[TMP0]], 10000 ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[I]], align 4 ; CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[I]], align 4 ; CHECK-NEXT: [[IDXPROM:%.*]] = sext i32 [[TMP2]] to i64 ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[CALL]], i64 [[IDXPROM]] ; CHECK-NEXT: store i32 [[TMP1]], ptr [[ARRAYIDX]], align 4 ; CHECK-NEXT: br label [[FOR_INC:%.*]] ; CHECK: for.inc: ; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[I]], align 4 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP3]], 2 ; CHECK-NEXT: store i32 [[ADD]], ptr [[I]], align 4 ; CHECK-NEXT: br label [[FOR_COND]] ; CHECK: for.end: ; CHECK-NEXT: store i32 0, ptr [[I]], align 4 ; CHECK-NEXT: br label [[FOR_COND1:%.*]] ; CHECK: for.cond1: ; CHECK-NEXT: [[TMP4:%.*]] = load i32, ptr [[I]], align 4 ; CHECK-NEXT: [[CMP2:%.*]] = icmp slt i32 [[TMP4]], 10000 ; CHECK-NEXT: br i1 [[CMP2]], label [[FOR_BODY3:%.*]], label [[FOR_END9:%.*]] ; CHECK: for.body3: ; CHECK-NEXT: [[TMP5:%.*]] = load i32, ptr [[I]], align 4 ; CHECK-NEXT: [[IDXPROM4:%.*]] = sext i32 [[TMP5]] to i64 ; CHECK-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, ptr [[CALL]], i64 [[IDXPROM4]] ; CHECK-NEXT: [[TMP6:%.*]] = load i32, ptr [[ARRAYIDX5]], align 4 ; CHECK-NEXT: [[ADD6:%.*]] = add nsw i32 [[TMP6]], 1 ; CHECK-NEXT: store i32 [[ADD6]], ptr [[ARRAYIDX5]], align 4 ; CHECK-NEXT: br label [[FOR_INC7:%.*]] ; CHECK: for.inc7: ; CHECK-NEXT: [[TMP7:%.*]] = load i32, ptr [[I]], align 4 ; CHECK-NEXT: [[ADD8:%.*]] = add nsw i32 [[TMP7]], 2 ; CHECK-NEXT: store i32 [[ADD8]], ptr [[I]], align 4 ; CHECK-NEXT: br label [[FOR_COND1]] ; CHECK: for.end9: ; CHECK-NEXT: store i32 0, ptr [[I]], align 4 ; CHECK-NEXT: br label [[FOR_COND10:%.*]] ; CHECK: for.cond10: ; CHECK-NEXT: [[TMP8:%.*]] = load i32, ptr [[I]], align 4 ; CHECK-NEXT: [[CMP11:%.*]] = icmp slt i32 [[TMP8]], 10000 ; CHECK-NEXT: br i1 [[CMP11]], label [[FOR_BODY12:%.*]], label [[FOR_END18:%.*]] ; CHECK: for.body12: ; CHECK-NEXT: [[TMP9:%.*]] = load i32, ptr [[I]], align 4 ; CHECK-NEXT: [[IDXPROM13:%.*]] = sext i32 [[TMP9]] to i64 ; CHECK-NEXT: [[ARRAYIDX14:%.*]] = getelementptr inbounds i32, ptr [[CALL]], i64 [[IDXPROM13]] ; CHECK-NEXT: [[TMP10:%.*]] = load i32, ptr [[ARRAYIDX14]], align 4 ; CHECK-NEXT: [[CALL15:%.*]] = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(17) @.str, i32 noundef [[TMP10]]) ; CHECK-NEXT: br label [[FOR_INC16:%.*]] ; CHECK: for.inc16: ; CHECK-NEXT: [[TMP11:%.*]] = load i32, ptr [[I]], align 4 ; CHECK-NEXT: [[ADD17:%.*]] = add nsw i32 [[TMP11]], 2 ; CHECK-NEXT: store i32 [[ADD17]], ptr [[I]], align 4 ; CHECK-NEXT: br label [[FOR_COND10]] ; CHECK: for.end18: ; CHECK-NEXT: ret void ; entry: %array = alloca ptr, align 8 %i = alloca i32, align 4 %call = call noalias ptr @malloc(i64 noundef 40000) #3 store ptr %call, ptr %array, align 8 store i32 0, ptr %i, align 4 br label %for.cond for.cond: %0 = load i32, ptr %i, align 4 %cmp = icmp slt i32 %0, 10000 br i1 %cmp, label %for.body, label %for.end for.body: %1 = load i32, ptr %i, align 4 %2 = load ptr, ptr %array, align 8 %3 = load i32, ptr %i, align 4 %idxprom = sext i32 %3 to i64 %arrayidx = getelementptr inbounds i32, ptr %2, i64 %idxprom store i32 %1, ptr %arrayidx, align 4 br label %for.inc for.inc: %4 = load i32, ptr %i, align 4 %add = add nsw i32 %4, 2 store i32 %add, ptr %i, align 4 br label %for.cond for.end: store i32 0, ptr %i, align 4 br label %for.cond1 for.cond1: %5 = load i32, ptr %i, align 4 %cmp2 = icmp slt i32 %5, 10000 br i1 %cmp2, label %for.body3, label %for.end9 for.body3: %6 = load ptr, ptr %array, align 8 %7 = load i32, ptr %i, align 4 %idxprom4 = sext i32 %7 to i64 %arrayidx5 = getelementptr inbounds i32, ptr %6, i64 %idxprom4 %8 = load i32, ptr %arrayidx5, align 4 %add6 = add nsw i32 %8, 1 store i32 %add6, ptr %arrayidx5, align 4 br label %for.inc7 for.inc7: %9 = load i32, ptr %i, align 4 %add8 = add nsw i32 %9, 2 store i32 %add8, ptr %i, align 4 br label %for.cond1 for.end9: store i32 0, ptr %i, align 4 br label %for.cond10 for.cond10: %10 = load i32, ptr %i, align 4 %cmp11 = icmp slt i32 %10, 10000 br i1 %cmp11, label %for.body12, label %for.end18 for.body12: %11 = load ptr, ptr %array, align 8 %12 = load i32, ptr %i, align 4 %idxprom13 = sext i32 %12 to i64 %arrayidx14 = getelementptr inbounds i32, ptr %11, i64 %idxprom13 %13 = load i32, ptr %arrayidx14, align 4 %call15 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %13) br label %for.inc16 for.inc16: %14 = load i32, ptr %i, align 4 %add17 = add nsw i32 %14, 2 store i32 %add17, ptr %i, align 4 br label %for.cond10 for.end18: ret void } define dso_local void @pthread_test(){ ; TUNIT-LABEL: define dso_local void @pthread_test() { ; TUNIT-NEXT: [[ARG1:%.*]] = alloca i8, align 8 ; TUNIT-NEXT: [[THREAD:%.*]] = alloca i64, align 8 ; TUNIT-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef null, ptr noundef nonnull @pthread_allocation_should_remain_same, ptr noundef nonnull align 8 dereferenceable(1) [[ARG1]]) ; TUNIT-NEXT: [[F1:%.*]] = alloca i8, i32 4, align 4 ; TUNIT-NEXT: [[CALL2:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef null, ptr noundef nonnull @pthread_allocation_should_be_reduced, ptr noalias nofree nonnull readnone align 4 captures(none) dereferenceable(12) undef) ; TUNIT-NEXT: [[F2:%.*]] = alloca [[STRUCT_FOO:%.*]], align 4 ; TUNIT-NEXT: [[CALL3:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef null, ptr noundef nonnull @pthread_check_captured_pointer, ptr noundef nonnull align 4 dereferenceable(12) [[F2]]) ; TUNIT-NEXT: ret void ; ; CGSCC-LABEL: define dso_local void @pthread_test() { ; CGSCC-NEXT: [[ARG1:%.*]] = alloca i8, align 8 ; CGSCC-NEXT: [[THREAD:%.*]] = alloca i64, align 8 ; CGSCC-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef null, ptr noundef nonnull @pthread_allocation_should_remain_same, ptr noundef nonnull align 8 dereferenceable(1) [[ARG1]]) ; CGSCC-NEXT: [[F:%.*]] = alloca [[STRUCT_FOO:%.*]], align 4 ; CGSCC-NEXT: [[CALL2:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef null, ptr noundef nonnull @pthread_allocation_should_be_reduced, ptr noalias nofree noundef nonnull readonly align 4 captures(none) dereferenceable(12) [[F]]) ; CGSCC-NEXT: [[F2:%.*]] = alloca [[STRUCT_FOO]], align 4 ; CGSCC-NEXT: [[CALL3:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef null, ptr noundef nonnull @pthread_check_captured_pointer, ptr noundef nonnull align 4 dereferenceable(12) [[F2]]) ; CGSCC-NEXT: ret void ; %arg1 = alloca i8, align 8 %thread = alloca i64, align 8 %call1 = call i32 @pthread_create(ptr nonnull %thread, ptr null, ptr nonnull @pthread_allocation_should_remain_same, ptr %arg1) %f = alloca %struct.Foo, align 4 %call2 = call i32 @pthread_create(ptr nonnull %thread, ptr null, ptr nonnull @pthread_allocation_should_be_reduced, ptr %f) %f2 = alloca %struct.Foo, align 4 %call3 = call i32 @pthread_create(ptr nonnull %thread, ptr null, ptr nonnull @pthread_check_captured_pointer, ptr %f2) ret void } define internal ptr @pthread_allocation_should_remain_same(ptr %arg) { ; CHECK-LABEL: define internal noundef nonnull align 8 dereferenceable(1) ptr @pthread_allocation_should_remain_same ; CHECK-SAME: (ptr noundef nonnull returned align 8 dereferenceable(1) [[ARG:%.*]]) { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[CALL:%.*]] = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(17) @.str, ptr noundef nonnull align 8 dereferenceable(1) [[ARG]]) ; CHECK-NEXT: ret ptr [[ARG]] ; entry: %call = call i32 (ptr, ...) @printf(ptr noundef @.str, ptr noundef %arg) ret ptr %arg } define internal void @pthread_allocation_should_be_reduced(ptr %arg) { ; ; TUNIT-LABEL: define internal void @pthread_allocation_should_be_reduced ; TUNIT-SAME: (ptr noalias nofree nonnull readnone align 4 captures(none) dereferenceable(12) [[ARG:%.*]]) { ; TUNIT-NEXT: entry: ; TUNIT-NEXT: [[CALL:%.*]] = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(17) @.str, i32 undef) ; TUNIT-NEXT: ret void ; ; CGSCC-LABEL: define internal void @pthread_allocation_should_be_reduced ; CGSCC-SAME: (ptr noalias nofree noundef nonnull readonly align 4 captures(none) dereferenceable(12) [[ARG:%.*]]) { ; CGSCC-NEXT: entry: ; CGSCC-NEXT: [[TMP0:%.*]] = load i32, ptr [[ARG]], align 4 ; CGSCC-NEXT: [[CALL:%.*]] = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(17) @.str, i32 noundef [[TMP0]]) ; CGSCC-NEXT: ret void ; entry: %field1 = getelementptr inbounds %struct.Foo, ptr %arg, i32 0, i32 0 %0 = load i32, ptr %field1, align 4 %call = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %0) ret void } define internal void @pthread_check_captured_pointer(ptr %arg){ ; CHECK-LABEL: define internal void @pthread_check_captured_pointer ; CHECK-SAME: (ptr noundef nonnull align 4 dereferenceable(12) [[ARG:%.*]]) { ; CHECK-NEXT: entry: ; CHECK-NEXT: call void @external_call(ptr noundef nonnull align 4 dereferenceable(12) [[ARG]]) ; CHECK-NEXT: ret void ; entry: %field1 = getelementptr inbounds %struct.Foo, ptr %arg, i32 0, i32 0 call void @external_call(ptr %field1) ret void } declare external void @external_call(ptr) declare !callback !0 dso_local i32 @pthread_create(ptr, ptr, ptr, ptr) !1 = !{i64 2, i64 3, i1 false} !0 = !{!1} declare i32 @printf(ptr noundef, ...) #1 ; Function Attrs: nounwind allocsize(0) declare noalias ptr @malloc(i64 noundef) #1 ;. ; TUNIT: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) } ;. ; CGSCC: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) } ;. ; TUNIT: [[META0:![0-9]+]] = !{[[META1:![0-9]+]]} ; TUNIT: [[META1]] = !{i64 2, i64 3, i1 false} ;. ; CGSCC: [[META0:![0-9]+]] = !{[[META1:![0-9]+]]} ; CGSCC: [[META1]] = !{i64 2, i64 3, i1 false} ;.