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clang-p2996/clang/test/OpenMP/irbuilder_for_iterator.cpp
Animesh Kumar 0c6f2f629c [OpenMP] Update the default version of OpenMP to 5.1 
The default version of OpenMP is updated from 5.0 to 5.1 which means if -fopenmp is specified but -fopenmp-version is not specified with clang, the default version of OpenMP is taken to be 5.1.  After modifying the Frontend for that, various LIT tests were updated. This patch contains all such changes. At a high level, these are the patterns of changes observed in LIT tests -

  # RUN lines which mentioned `-fopenmp-version=50` need to kept only if the IR for version 5.0 and 5.1 are different. Otherwise only one RUN line with no version info(i.e. default version) needs to be there.

  # Test cases of this sort already had the RUN lines with respect to the older default version 5.0 and the version 5.1. Only swapping the version specification flag `-fopenmp-version` from newer version RUN line to older version RUN line is required.

  # Diagnostics: Remove the 5.0 version specific RUN lines if there was no difference in the Diagnostics messages with respect to the default 5.1.

  # Diagnostics: In case there was any difference in diagnostics messages between 5.0 and 5.1, mention version specific messages in tests.

  # If the test contained version specific ifdef's e.g. "#ifdef OMP5" but there were no RUN lines for any other version than 5.X, then bring the code guarded by ifdef's outside and remove the ifdef's.

  # Some tests had RUN lines for both 5.0 and 5.1 versions, but it is found that the IR for 5.0 is not different from the 5.1, therefore such RUN lines are redundant. So, such duplicated lines are removed.

  # To generate CHECK lines automatically, use the script llvm/utils/update_cc_test_checks.py

Reviewed By: saiislam, ABataev

Differential Revision: https://reviews.llvm.org/D129635

(cherry picked from commit 9dd2999907dc791136a75238a6000f69bf67cf4e)
2023-06-15 12:41:09 +05:30

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// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --function-signature --include-generated-funcs --replace-value-regex "__omp_offloading_[0-9a-z]+_[0-9a-z]+" "reduction_size[.].+[.]" "pl_cond[.].+[.|,]" --prefix-filecheck-ir-name _
// RUN: %clang_cc1 -fopenmp-enable-irbuilder -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
// expected-no-diagnostics
#ifndef HEADER
#define HEADER
struct MyIterator {
MyIterator(unsigned pos);
MyIterator(const MyIterator &other);
const MyIterator &operator=(const MyIterator &that);
MyIterator &operator++();
int operator-(const MyIterator &that) const;
MyIterator &operator+=(unsigned a);
MyIterator operator+(unsigned a) const;
bool operator==(const MyIterator &that) const;
bool operator!=(const MyIterator &that) const;
unsigned operator*() const;
};
extern "C" void workshareloop_iterator(float *a, float *b, float *c) {
#pragma omp for
for (MyIterator it = MyIterator(7); it != MyIterator(41); ++it) {
unsigned i = *it;
a[i] = b[i] * c[i];
}
}
#endif // HEADER
// CHECK-LABEL: define {{[^@]+}}@workshareloop_iterator
// CHECK-SAME: (ptr noundef [[A:%.*]], ptr noundef [[B:%.*]], ptr noundef [[C:%.*]]) #[[ATTR0:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[A_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: [[B_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: [[C_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: [[IT:%.*]] = alloca [[STRUCT_MYITERATOR:%.*]], align 1
// CHECK-NEXT: [[AGG_CAPTURED:%.*]] = alloca [[STRUCT_ANON:%.*]], align 8
// CHECK-NEXT: [[AGG_CAPTURED1:%.*]] = alloca [[STRUCT_ANON_0:%.*]], align 1
// CHECK-NEXT: [[DOTCOUNT_ADDR:%.*]] = alloca i64, align 8
// CHECK-NEXT: [[I:%.*]] = alloca i32, align 4
// CHECK-NEXT: [[P_LASTITER:%.*]] = alloca i32, align 4
// CHECK-NEXT: [[P_LOWERBOUND:%.*]] = alloca i64, align 8
// CHECK-NEXT: [[P_UPPERBOUND:%.*]] = alloca i64, align 8
// CHECK-NEXT: [[P_STRIDE:%.*]] = alloca i64, align 8
// CHECK-NEXT: store ptr [[A]], ptr [[A_ADDR]], align 8
// CHECK-NEXT: store ptr [[B]], ptr [[B_ADDR]], align 8
// CHECK-NEXT: store ptr [[C]], ptr [[C_ADDR]], align 8
// CHECK-NEXT: call void @_ZN10MyIteratorC1Ej(ptr noundef nonnull align 1 dereferenceable(1) [[IT]], i32 noundef 7)
// CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds [[STRUCT_ANON]], ptr [[AGG_CAPTURED]], i32 0, i32 0
// CHECK-NEXT: store ptr [[IT]], ptr [[TMP0]], align 8
// CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds [[STRUCT_ANON_0]], ptr [[AGG_CAPTURED1]], i32 0, i32 0
// CHECK-NEXT: call void @_ZN10MyIteratorC1ERKS_(ptr noundef nonnull align 1 dereferenceable(1) [[TMP1]], ptr noundef nonnull align 1 dereferenceable(1) [[IT]])
// CHECK-NEXT: call void @__captured_stmt(ptr [[DOTCOUNT_ADDR]], ptr [[AGG_CAPTURED]])
// CHECK-NEXT: [[DOTCOUNT:%.*]] = load i64, ptr [[DOTCOUNT_ADDR]], align 8
// CHECK-NEXT: br label [[OMP_LOOP_PREHEADER:%.*]]
// CHECK: omp_loop.preheader:
// CHECK-NEXT: store i64 0, ptr [[P_LOWERBOUND]], align 8
// CHECK-NEXT: [[TMP2:%.*]] = sub i64 [[DOTCOUNT]], 1
// CHECK-NEXT: store i64 [[TMP2]], ptr [[P_UPPERBOUND]], align 8
// CHECK-NEXT: store i64 1, ptr [[P_STRIDE]], align 8
// CHECK-NEXT: [[OMP_GLOBAL_THREAD_NUM:%.*]] = call i32 @__kmpc_global_thread_num(ptr @[[GLOB1:[0-9]+]])
// CHECK-NEXT: call void @__kmpc_for_static_init_8u(ptr @[[GLOB1]], i32 [[OMP_GLOBAL_THREAD_NUM]], i32 34, ptr [[P_LASTITER]], ptr [[P_LOWERBOUND]], ptr [[P_UPPERBOUND]], ptr [[P_STRIDE]], i64 1, i64 0)
// CHECK-NEXT: [[TMP3:%.*]] = load i64, ptr [[P_LOWERBOUND]], align 8
// CHECK-NEXT: [[TMP4:%.*]] = load i64, ptr [[P_UPPERBOUND]], align 8
// CHECK-NEXT: [[TMP5:%.*]] = sub i64 [[TMP4]], [[TMP3]]
// CHECK-NEXT: [[TMP6:%.*]] = add i64 [[TMP5]], 1
// CHECK-NEXT: br label [[OMP_LOOP_HEADER:%.*]]
// CHECK: omp_loop.header:
// CHECK-NEXT: [[OMP_LOOP_IV:%.*]] = phi i64 [ 0, [[OMP_LOOP_PREHEADER]] ], [ [[OMP_LOOP_NEXT:%.*]], [[OMP_LOOP_INC:%.*]] ]
// CHECK-NEXT: br label [[OMP_LOOP_COND:%.*]]
// CHECK: omp_loop.cond:
// CHECK-NEXT: [[OMP_LOOP_CMP:%.*]] = icmp ult i64 [[OMP_LOOP_IV]], [[TMP6]]
// CHECK-NEXT: br i1 [[OMP_LOOP_CMP]], label [[OMP_LOOP_BODY:%.*]], label [[OMP_LOOP_EXIT:%.*]]
// CHECK: omp_loop.body:
// CHECK-NEXT: [[TMP7:%.*]] = add i64 [[OMP_LOOP_IV]], [[TMP3]]
// CHECK-NEXT: call void @__captured_stmt.1(ptr [[IT]], i64 [[TMP7]], ptr [[AGG_CAPTURED1]])
// CHECK-NEXT: [[CALL:%.*]] = call noundef i32 @_ZNK10MyIteratordeEv(ptr noundef nonnull align 1 dereferenceable(1) [[IT]])
// CHECK-NEXT: store i32 [[CALL]], ptr [[I]], align 4
// CHECK-NEXT: [[TMP8:%.*]] = load ptr, ptr [[B_ADDR]], align 8
// CHECK-NEXT: [[TMP9:%.*]] = load i32, ptr [[I]], align 4
// CHECK-NEXT: [[IDXPROM:%.*]] = zext i32 [[TMP9]] to i64
// CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[TMP8]], i64 [[IDXPROM]]
// CHECK-NEXT: [[TMP10:%.*]] = load float, ptr [[ARRAYIDX]], align 4
// CHECK-NEXT: [[TMP11:%.*]] = load ptr, ptr [[C_ADDR]], align 8
// CHECK-NEXT: [[TMP12:%.*]] = load i32, ptr [[I]], align 4
// CHECK-NEXT: [[IDXPROM2:%.*]] = zext i32 [[TMP12]] to i64
// CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds float, ptr [[TMP11]], i64 [[IDXPROM2]]
// CHECK-NEXT: [[TMP13:%.*]] = load float, ptr [[ARRAYIDX3]], align 4
// CHECK-NEXT: [[MUL:%.*]] = fmul float [[TMP10]], [[TMP13]]
// CHECK-NEXT: [[TMP14:%.*]] = load ptr, ptr [[A_ADDR]], align 8
// CHECK-NEXT: [[TMP15:%.*]] = load i32, ptr [[I]], align 4
// CHECK-NEXT: [[IDXPROM4:%.*]] = zext i32 [[TMP15]] to i64
// CHECK-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds float, ptr [[TMP14]], i64 [[IDXPROM4]]
// CHECK-NEXT: store float [[MUL]], ptr [[ARRAYIDX5]], align 4
// CHECK-NEXT: br label [[OMP_LOOP_INC]]
// CHECK: omp_loop.inc:
// CHECK-NEXT: [[OMP_LOOP_NEXT]] = add nuw i64 [[OMP_LOOP_IV]], 1
// CHECK-NEXT: br label [[OMP_LOOP_HEADER]]
// CHECK: omp_loop.exit:
// CHECK-NEXT: call void @__kmpc_for_static_fini(ptr @[[GLOB1]], i32 [[OMP_GLOBAL_THREAD_NUM]])
// CHECK-NEXT: [[OMP_GLOBAL_THREAD_NUM6:%.*]] = call i32 @__kmpc_global_thread_num(ptr @[[GLOB1]])
// CHECK-NEXT: call void @__kmpc_barrier(ptr @[[GLOB2:[0-9]+]], i32 [[OMP_GLOBAL_THREAD_NUM6]])
// CHECK-NEXT: br label [[OMP_LOOP_AFTER:%.*]]
// CHECK: omp_loop.after:
// CHECK-NEXT: ret void
//
//
// CHECK-LABEL: define {{[^@]+}}@__captured_stmt
// CHECK-SAME: (ptr noundef nonnull align 8 dereferenceable(8) [[DISTANCE:%.*]], ptr noalias noundef [[__CONTEXT:%.*]]) #[[ATTR2:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[DISTANCE_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: [[__CONTEXT_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: [[DOTSTART:%.*]] = alloca [[STRUCT_MYITERATOR:%.*]], align 1
// CHECK-NEXT: [[DOTSTOP:%.*]] = alloca [[STRUCT_MYITERATOR]], align 1
// CHECK-NEXT: [[DOTSTEP:%.*]] = alloca i64, align 8
// CHECK-NEXT: store ptr [[DISTANCE]], ptr [[DISTANCE_ADDR]], align 8
// CHECK-NEXT: store ptr [[__CONTEXT]], ptr [[__CONTEXT_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[__CONTEXT_ADDR]], align 8
// CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds [[STRUCT_ANON:%.*]], ptr [[TMP0]], i32 0, i32 0
// CHECK-NEXT: [[TMP2:%.*]] = load ptr, ptr [[TMP1]], align 8
// CHECK-NEXT: call void @_ZN10MyIteratorC1ERKS_(ptr noundef nonnull align 1 dereferenceable(1) [[DOTSTART]], ptr noundef nonnull align 1 dereferenceable(1) [[TMP2]])
// CHECK-NEXT: call void @_ZN10MyIteratorC1Ej(ptr noundef nonnull align 1 dereferenceable(1) [[DOTSTOP]], i32 noundef 41)
// CHECK-NEXT: store i64 1, ptr [[DOTSTEP]], align 8
// CHECK-NEXT: [[TMP3:%.*]] = load i64, ptr [[DOTSTEP]], align 8
// CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[TMP3]], 0
// CHECK-NEXT: br i1 [[CMP]], label [[COND_TRUE:%.*]], label [[COND_FALSE:%.*]]
// CHECK: cond.true:
// CHECK-NEXT: [[CALL:%.*]] = call noundef i32 @_ZNK10MyIteratormiERKS_(ptr noundef nonnull align 1 dereferenceable(1) [[DOTSTART]], ptr noundef nonnull align 1 dereferenceable(1) [[DOTSTOP]])
// CHECK-NEXT: [[CONV:%.*]] = sext i32 [[CALL]] to i64
// CHECK-NEXT: [[TMP4:%.*]] = load i64, ptr [[DOTSTEP]], align 8
// CHECK-NEXT: [[SUB:%.*]] = sub i64 0, [[TMP4]]
// CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[CONV]], [[SUB]]
// CHECK-NEXT: br label [[COND_END:%.*]]
// CHECK: cond.false:
// CHECK-NEXT: [[CALL1:%.*]] = call noundef i32 @_ZNK10MyIteratormiERKS_(ptr noundef nonnull align 1 dereferenceable(1) [[DOTSTOP]], ptr noundef nonnull align 1 dereferenceable(1) [[DOTSTART]])
// CHECK-NEXT: [[CONV2:%.*]] = sext i32 [[CALL1]] to i64
// CHECK-NEXT: [[TMP5:%.*]] = load i64, ptr [[DOTSTEP]], align 8
// CHECK-NEXT: [[DIV3:%.*]] = udiv i64 [[CONV2]], [[TMP5]]
// CHECK-NEXT: br label [[COND_END]]
// CHECK: cond.end:
// CHECK-NEXT: [[COND:%.*]] = phi i64 [ [[DIV]], [[COND_TRUE]] ], [ [[DIV3]], [[COND_FALSE]] ]
// CHECK-NEXT: [[TMP6:%.*]] = load ptr, ptr [[DISTANCE_ADDR]], align 8
// CHECK-NEXT: store i64 [[COND]], ptr [[TMP6]], align 8
// CHECK-NEXT: ret void
//
//
// CHECK-LABEL: define {{[^@]+}}@__captured_stmt.1
// CHECK-SAME: (ptr noundef nonnull align 1 dereferenceable(1) [[LOOPVAR:%.*]], i64 noundef [[LOGICAL:%.*]], ptr noalias noundef [[__CONTEXT:%.*]]) #[[ATTR2]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[LOOPVAR_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: [[LOGICAL_ADDR:%.*]] = alloca i64, align 8
// CHECK-NEXT: [[__CONTEXT_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: [[REF_TMP:%.*]] = alloca [[STRUCT_MYITERATOR:%.*]], align 1
// CHECK-NEXT: store ptr [[LOOPVAR]], ptr [[LOOPVAR_ADDR]], align 8
// CHECK-NEXT: store i64 [[LOGICAL]], ptr [[LOGICAL_ADDR]], align 8
// CHECK-NEXT: store ptr [[__CONTEXT]], ptr [[__CONTEXT_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[__CONTEXT_ADDR]], align 8
// CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds [[STRUCT_ANON_0:%.*]], ptr [[TMP0]], i32 0, i32 0
// CHECK-NEXT: [[TMP2:%.*]] = load i64, ptr [[LOGICAL_ADDR]], align 8
// CHECK-NEXT: [[MUL:%.*]] = mul i64 1, [[TMP2]]
// CHECK-NEXT: [[CONV:%.*]] = trunc i64 [[MUL]] to i32
// CHECK-NEXT: call void @_ZNK10MyIteratorplEj(ptr sret([[STRUCT_MYITERATOR]]) align 1 [[REF_TMP]], ptr noundef nonnull align 1 dereferenceable(1) [[TMP1]], i32 noundef [[CONV]])
// CHECK-NEXT: [[TMP3:%.*]] = load ptr, ptr [[LOOPVAR_ADDR]], align 8
// CHECK-NEXT: [[CALL:%.*]] = call noundef nonnull align 1 dereferenceable(1) ptr @_ZN10MyIteratoraSERKS_(ptr noundef nonnull align 1 dereferenceable(1) [[TMP3]], ptr noundef nonnull align 1 dereferenceable(1) [[REF_TMP]])
// CHECK-NEXT: ret void
//
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