1// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py 2// Check that the CHECK lines are generated for clang-generated functions 3// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fopenmp %s -emit-llvm -o - | FileCheck --check-prefix=OMP %s 4// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu %s -emit-llvm -o - | FileCheck --check-prefix=NOOMP %s 5 6const int size = 1024 * 1024 * 32; 7 8double A[size]; 9 10void foo(void); 11 12// OMP-LABEL: @main( 13// OMP-NEXT: entry: 14// OMP-NEXT: [[RETVAL:%.*]] = alloca i32, align 4 15// OMP-NEXT: [[I:%.*]] = alloca i32, align 4 16// OMP-NEXT: store i32 0, i32* [[RETVAL]], align 4 17// OMP-NEXT: store i32 0, i32* [[I]], align 4 18// OMP-NEXT: call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* [[GLOB2:@.*]], i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined..1 to void (i32*, i32*, ...)*)) 19// OMP-NEXT: call void @foo() 20// OMP-NEXT: ret i32 0 21// 22// NOOMP-LABEL: @main( 23// NOOMP-NEXT: entry: 24// NOOMP-NEXT: [[RETVAL:%.*]] = alloca i32, align 4 25// NOOMP-NEXT: [[I:%.*]] = alloca i32, align 4 26// NOOMP-NEXT: store i32 0, i32* [[RETVAL]], align 4 27// NOOMP-NEXT: store i32 0, i32* [[I]], align 4 28// NOOMP-NEXT: store i32 0, i32* [[I]], align 4 29// NOOMP-NEXT: br label [[FOR_COND:%.*]] 30// NOOMP: for.cond: 31// NOOMP-NEXT: [[TMP0:%.*]] = load i32, i32* [[I]], align 4 32// NOOMP-NEXT: [[CMP:%.*]] = icmp slt i32 [[TMP0]], 33554432 33// NOOMP-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]] 34// NOOMP: for.body: 35// NOOMP-NEXT: [[TMP1:%.*]] = load i32, i32* [[I]], align 4 36// NOOMP-NEXT: [[IDXPROM:%.*]] = sext i32 [[TMP1]] to i64 37// NOOMP-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [33554432 x double], [33554432 x double]* @A, i64 0, i64 [[IDXPROM]] 38// NOOMP-NEXT: store double 0.000000e+00, double* [[ARRAYIDX]], align 8 39// NOOMP-NEXT: br label [[FOR_INC:%.*]] 40// NOOMP: for.inc: 41// NOOMP-NEXT: [[TMP2:%.*]] = load i32, i32* [[I]], align 4 42// NOOMP-NEXT: [[INC:%.*]] = add nsw i32 [[TMP2]], 1 43// NOOMP-NEXT: store i32 [[INC]], i32* [[I]], align 4 44// NOOMP-NEXT: br label [[FOR_COND]], [[LOOP2:!llvm.loop !.*]] 45// NOOMP: for.end: 46// NOOMP-NEXT: call void @foo() 47// NOOMP-NEXT: ret i32 0 48// 49int main() { 50 int i = 0; 51 52#pragma omp parallel for 53 for (i = 0; i < size; ++i) { 54 A[i] = 0.0; 55 } 56 57 foo(); 58 59 return 0; 60} 61 62// OMP-LABEL: @foo( 63// OMP-NEXT: entry: 64// OMP-NEXT: [[I:%.*]] = alloca i32, align 4 65// OMP-NEXT: store i32 0, i32* [[I]], align 4 66// OMP-NEXT: call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* [[GLOB2]], i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined. to void (i32*, i32*, ...)*)) 67// OMP-NEXT: ret void 68// 69// NOOMP-LABEL: @foo( 70// NOOMP-NEXT: entry: 71// NOOMP-NEXT: [[I:%.*]] = alloca i32, align 4 72// NOOMP-NEXT: store i32 0, i32* [[I]], align 4 73// NOOMP-NEXT: store i32 0, i32* [[I]], align 4 74// NOOMP-NEXT: br label [[FOR_COND:%.*]] 75// NOOMP: for.cond: 76// NOOMP-NEXT: [[TMP0:%.*]] = load i32, i32* [[I]], align 4 77// NOOMP-NEXT: [[CMP:%.*]] = icmp slt i32 [[TMP0]], 33554432 78// NOOMP-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]] 79// NOOMP: for.body: 80// NOOMP-NEXT: [[TMP1:%.*]] = load i32, i32* [[I]], align 4 81// NOOMP-NEXT: [[IDXPROM:%.*]] = sext i32 [[TMP1]] to i64 82// NOOMP-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [33554432 x double], [33554432 x double]* @A, i64 0, i64 [[IDXPROM]] 83// NOOMP-NEXT: store double 1.000000e+00, double* [[ARRAYIDX]], align 8 84// NOOMP-NEXT: br label [[FOR_INC:%.*]] 85// NOOMP: for.inc: 86// NOOMP-NEXT: [[TMP2:%.*]] = load i32, i32* [[I]], align 4 87// NOOMP-NEXT: [[INC:%.*]] = add nsw i32 [[TMP2]], 1 88// NOOMP-NEXT: store i32 [[INC]], i32* [[I]], align 4 89// NOOMP-NEXT: br label [[FOR_COND]], [[LOOP4:!llvm.loop !.*]] 90// NOOMP: for.end: 91// NOOMP-NEXT: ret void 92// 93void foo(void) { 94 int i = 0; 95 96#pragma omp parallel for 97 for (i = 0; i < size; ++i) { 98 A[i] = 1.0; 99 } 100} 101