forked from OSchip/llvm-project
261 lines
7.9 KiB
C++
261 lines
7.9 KiB
C++
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
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// RUN: %clang_cc1 -no-opaque-pointers -emit-llvm %s -std=c++2a -triple x86_64-unknown-linux-gnu -o %t.ll
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// RUN: FileCheck -check-prefix=EVAL -input-file=%t.ll %s
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// RUN: FileCheck -check-prefix=EVAL-STATIC -input-file=%t.ll %s
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// RUN: FileCheck -check-prefix=EVAL-FN -input-file=%t.ll %s
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//
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// RUN: %clang_cc1 -no-opaque-pointers -emit-llvm %s -Dconsteval="" -std=c++2a -triple x86_64-unknown-linux-gnu -o %t.ll
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// RUN: FileCheck -check-prefix=EXPR -input-file=%t.ll %s
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// there is two version of symbol checks to ensure
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// that the symbol we are looking for are correct
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// EVAL-NOT: @__cxx_global_var_init()
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// EXPR: @__cxx_global_var_init()
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// EVAL-NOT: @_Z4ret7v()
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// EXPR: @_Z4ret7v()
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consteval int ret7() {
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return 7;
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}
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// EVAL-FN-LABEL: @_Z9test_ret7v(
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// EVAL-FN-NEXT: entry:
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// EVAL-FN-NEXT: [[I:%.*]] = alloca i32, align 4
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// EVAL-FN-NEXT: store i32 7, i32* [[I]], align 4
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// EVAL-FN-NEXT: [[TMP0:%.*]] = load i32, i32* [[I]], align 4
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// EVAL-FN-NEXT: ret i32 [[TMP0]]
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//
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int test_ret7() {
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int i = ret7();
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return i;
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}
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int global_i = ret7();
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constexpr int i_const = 5;
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// EVAL-NOT: @_Z4retIv()
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// EXPR: @_Z4retIv()
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consteval const int &retI() {
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return i_const;
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}
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// EVAL-FN-LABEL: @_Z12test_retRefIv(
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// EVAL-FN-NEXT: entry:
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// EVAL-FN-NEXT: ret i32* @_ZL7i_const
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//
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const int &test_retRefI() {
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return retI();
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}
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// EVAL-FN-LABEL: @_Z9test_retIv(
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// EVAL-FN-NEXT: entry:
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// EVAL-FN-NEXT: [[TMP0:%.*]] = load i32, i32* @_ZL7i_const, align 4
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// EVAL-FN-NEXT: ret i32 [[TMP0]]
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//
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int test_retI() {
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return retI();
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}
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// EVAL-NOT: @_Z4retIv()
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// EXPR: @_Z4retIv()
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consteval const int *retIPtr() {
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return &i_const;
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}
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// EVAL-FN-LABEL: @_Z12test_retIPtrv(
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// EVAL-FN-NEXT: entry:
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// EVAL-FN-NEXT: [[TMP0:%.*]] = load i32, i32* @_ZL7i_const, align 4
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// EVAL-FN-NEXT: ret i32 [[TMP0]]
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//
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int test_retIPtr() {
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return *retIPtr();
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}
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// EVAL-FN-LABEL: @_Z13test_retPIPtrv(
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// EVAL-FN-NEXT: entry:
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// EVAL-FN-NEXT: ret i32* @_ZL7i_const
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//
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const int *test_retPIPtr() {
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return retIPtr();
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}
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// EVAL-NOT: @_Z4retIv()
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// EXPR: @_Z4retIv()
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consteval const int &&retIRRef() {
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return static_cast<const int &&>(i_const);
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}
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// EVAL-FN-LABEL: @_Z13test_retIRRefv(
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// EVAL-FN-NEXT: entry:
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// EVAL-FN-NEXT: ret i32* @_ZL7i_const
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//
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const int &&test_retIRRef() {
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return static_cast<const int &&>(retIRRef());
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}
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// EVAL-FN-LABEL: @_Z14test_retIRRefIv(
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// EVAL-FN-NEXT: entry:
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// EVAL-FN-NEXT: [[TMP0:%.*]] = load i32, i32* @_ZL7i_const, align 4
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// EVAL-FN-NEXT: ret i32 [[TMP0]]
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//
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int test_retIRRefI() {
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return retIRRef();
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}
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struct Agg {
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int a;
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long b;
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};
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// EVAL-NOT: @_Z6retAggv()
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// EXPR: @_Z6retAggv()
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consteval Agg retAgg() {
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return {13, 17};
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}
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// EVAL-FN-LABEL: @_Z11test_retAggv(
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// EVAL-FN-NEXT: entry:
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// EVAL-FN-NEXT: [[B:%.*]] = alloca i64, align 8
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// EVAL-FN-NEXT: [[REF_TMP:%.*]] = alloca [[STRUCT_AGG:%.*]], align 8
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// EVAL-FN-NEXT: [[TMP0:%.*]] = getelementptr inbounds [[STRUCT_AGG]], %struct.Agg* [[REF_TMP]], i32 0, i32 0
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// EVAL-FN-NEXT: store i32 13, i32* [[TMP0]], align 8
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// EVAL-FN-NEXT: [[TMP1:%.*]] = getelementptr inbounds [[STRUCT_AGG]], %struct.Agg* [[REF_TMP]], i32 0, i32 1
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// EVAL-FN-NEXT: store i64 17, i64* [[TMP1]], align 8
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// EVAL-FN-NEXT: store i64 17, i64* [[B]], align 8
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// EVAL-FN-NEXT: [[TMP2:%.*]] = load i64, i64* [[B]], align 8
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// EVAL-FN-NEXT: ret i64 [[TMP2]]
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//
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long test_retAgg() {
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long b = retAgg().b;
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return b;
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}
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// EVAL-STATIC: @A ={{.*}} global %struct.Agg { i32 13, i64 17 }, align 8
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Agg A = retAgg();
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// EVAL-NOT: @_Z9retRefAggv()
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// EXPR: @_Z9retRefAggv()
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consteval const Agg &retRefAgg() {
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const Agg &tmp = A;
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return A;
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}
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// EVAL-FN-LABEL: @_Z14test_retRefAggv(
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// EVAL-FN-NEXT: entry:
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// EVAL-FN-NEXT: [[B:%.*]] = alloca i64, align 8
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// EVAL-FN-NEXT: [[REF_TMP:%.*]] = alloca [[STRUCT_AGG:%.*]], align 8
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// EVAL-FN-NEXT: [[TMP0:%.*]] = getelementptr inbounds [[STRUCT_AGG]], %struct.Agg* [[REF_TMP]], i32 0, i32 0
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// EVAL-FN-NEXT: store i32 13, i32* [[TMP0]], align 8
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// EVAL-FN-NEXT: [[TMP1:%.*]] = getelementptr inbounds [[STRUCT_AGG]], %struct.Agg* [[REF_TMP]], i32 0, i32 1
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// EVAL-FN-NEXT: store i64 17, i64* [[TMP1]], align 8
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// EVAL-FN-NEXT: store i64 17, i64* [[B]], align 8
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// EVAL-FN-NEXT: [[TMP2:%.*]] = load i64, i64* [[B]], align 8
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// EVAL-FN-NEXT: ret i64 [[TMP2]]
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//
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long test_retRefAgg() {
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long b = retAgg().b;
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return b;
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}
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// EVAL-NOT: @_Z8is_constv()
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// EXPR: @_Z8is_constv()
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consteval Agg is_const() {
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return {5, 19 * __builtin_is_constant_evaluated()};
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}
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// EVAL-FN-LABEL: @_Z13test_is_constv(
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// EVAL-FN-NEXT: entry:
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// EVAL-FN-NEXT: [[B:%.*]] = alloca i64, align 8
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// EVAL-FN-NEXT: [[REF_TMP:%.*]] = alloca [[STRUCT_AGG:%.*]], align 8
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// EVAL-FN-NEXT: [[TMP0:%.*]] = getelementptr inbounds [[STRUCT_AGG]], %struct.Agg* [[REF_TMP]], i32 0, i32 0
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// EVAL-FN-NEXT: store i32 5, i32* [[TMP0]], align 8
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// EVAL-FN-NEXT: [[TMP1:%.*]] = getelementptr inbounds [[STRUCT_AGG]], %struct.Agg* [[REF_TMP]], i32 0, i32 1
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// EVAL-FN-NEXT: store i64 19, i64* [[TMP1]], align 8
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// EVAL-FN-NEXT: store i64 19, i64* [[B]], align 8
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// EVAL-FN-NEXT: [[TMP2:%.*]] = load i64, i64* [[B]], align 8
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// EVAL-FN-NEXT: ret i64 [[TMP2]]
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//
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long test_is_const() {
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long b = is_const().b;
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return b;
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}
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// EVAL-NOT: @_ZN7AggCtorC
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// EXPR: @_ZN7AggCtorC
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struct AggCtor {
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consteval AggCtor(int a = 3, long b = 5) : a(a * a), b(a * b) {}
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int a;
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long b;
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};
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// EVAL-FN-LABEL: @_Z12test_AggCtorv(
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// EVAL-FN-NEXT: entry:
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// EVAL-FN-NEXT: [[I:%.*]] = alloca i32, align 4
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// EVAL-FN-NEXT: [[C:%.*]] = alloca [[STRUCT_AGGCTOR:%.*]], align 8
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// EVAL-FN-NEXT: store i32 2, i32* [[I]], align 4
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// EVAL-FN-NEXT: [[TMP0:%.*]] = getelementptr inbounds [[STRUCT_AGGCTOR]], %struct.AggCtor* [[C]], i32 0, i32 0
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// EVAL-FN-NEXT: store i32 4, i32* [[TMP0]], align 8
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// EVAL-FN-NEXT: [[TMP1:%.*]] = getelementptr inbounds [[STRUCT_AGGCTOR]], %struct.AggCtor* [[C]], i32 0, i32 1
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// EVAL-FN-NEXT: store i64 10, i64* [[TMP1]], align 8
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// EVAL-FN-NEXT: [[A:%.*]] = getelementptr inbounds [[STRUCT_AGGCTOR]], %struct.AggCtor* [[C]], i32 0, i32 0
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// EVAL-FN-NEXT: [[TMP2:%.*]] = load i32, i32* [[A]], align 8
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// EVAL-FN-NEXT: [[CONV:%.*]] = sext i32 [[TMP2]] to i64
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// EVAL-FN-NEXT: [[B:%.*]] = getelementptr inbounds [[STRUCT_AGGCTOR]], %struct.AggCtor* [[C]], i32 0, i32 1
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// EVAL-FN-NEXT: [[TMP3:%.*]] = load i64, i64* [[B]], align 8
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// EVAL-FN-NEXT: [[ADD:%.*]] = add nsw i64 [[CONV]], [[TMP3]]
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// EVAL-FN-NEXT: ret i64 [[ADD]]
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//
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long test_AggCtor() {
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const int i = 2;
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AggCtor C(i);
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return C.a + C.b;
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}
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struct UserConv {
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consteval operator int() const noexcept { return 42; }
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};
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// EVAL-FN-LABEL: @_Z13test_UserConvv(
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// EVAL-FN-NEXT: entry:
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// EVAL-FN-NEXT: ret i32 42
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//
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int test_UserConv() {
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return UserConv();
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}
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// EVAL-FN-LABEL: @_Z28test_UserConvOverload_helperi(
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// EVAL-FN-NEXT: entry:
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// EVAL-FN-NEXT: [[A_ADDR:%.*]] = alloca i32, align 4
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// EVAL-FN-NEXT: store i32 [[A:%.*]], i32* [[A_ADDR]], align 4
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// EVAL-FN-NEXT: [[TMP0:%.*]] = load i32, i32* [[A_ADDR]], align 4
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// EVAL-FN-NEXT: ret i32 [[TMP0]]
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//
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int test_UserConvOverload_helper(int a) { return a; }
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// EVAL-FN-LABEL: @_Z21test_UserConvOverloadv(
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// EVAL-FN-NEXT: entry:
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// EVAL-FN-NEXT: [[CALL:%.*]] = call noundef i32 @_Z28test_UserConvOverload_helperi(i32 noundef 42)
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// EVAL-FN-NEXT: ret i32 [[CALL]]
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//
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int test_UserConvOverload() {
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return test_UserConvOverload_helper(UserConv());
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}
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consteval int test_UserConvOverload_helper_ceval(int a) { return a; }
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// EVAL-FN-LABEL: @_Z27test_UserConvOverload_cevalv(
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// EVAL-FN-NEXT: entry:
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// EVAL-FN-NEXT: ret i32 42
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//
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int test_UserConvOverload_ceval() {
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return test_UserConvOverload_helper_ceval(UserConv());
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}
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consteval void void_test() {}
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void void_call() { // EVAL-FN-LABEL: define {{.*}} @_Z9void_call
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// EVAL-FN-NOT: call
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void_test();
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// EVAL-FN: {{^}}}
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}
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