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// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
// Check that the CHECK lines are generated for clang-generated functions
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fopenmp %s -emit-llvm -o - | FileCheck --check-prefix=OMP %s
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu %s -emit-llvm -o - | FileCheck --check-prefix=NOOMP %s
const int size = 1024 * 1024 * 32;
double A[size];
void foo(void);
// OMP-LABEL: @main(
// OMP-NEXT: entry:
// OMP-NEXT: [[RETVAL:%.*]] = alloca i32, align 4
// OMP-NEXT: [[I:%.*]] = alloca i32, align 4
// OMP-NEXT: store i32 0, ptr [[RETVAL]], align 4
// OMP-NEXT: store i32 0, ptr [[I]], align 4
// OMP-NEXT: call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @[[GLOB2:[0-9]+]], i32 0, ptr @main.omp_outlined)
// OMP-NEXT: call void @foo()
// OMP-NEXT: ret i32 0
//
// NOOMP-LABEL: @main(
// NOOMP-NEXT: entry:
// NOOMP-NEXT: [[RETVAL:%.*]] = alloca i32, align 4
// NOOMP-NEXT: [[I:%.*]] = alloca i32, align 4
// NOOMP-NEXT: store i32 0, ptr [[RETVAL]], align 4
// NOOMP-NEXT: store i32 0, ptr [[I]], align 4
// NOOMP-NEXT: store i32 0, ptr [[I]], align 4
// NOOMP-NEXT: br label [[FOR_COND:%.*]]
// NOOMP: for.cond:
// NOOMP-NEXT: [[TMP0:%.*]] = load i32, ptr [[I]], align 4
// NOOMP-NEXT: [[CMP:%.*]] = icmp slt i32 [[TMP0]], 33554432
// NOOMP-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]]
// NOOMP: for.body:
// NOOMP-NEXT: [[TMP1:%.*]] = load i32, ptr [[I]], align 4
// NOOMP-NEXT: [[IDXPROM:%.*]] = sext i32 [[TMP1]] to i64
// NOOMP-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [33554432 x double], ptr @A, i64 0, i64 [[IDXPROM]]
// NOOMP-NEXT: store double 0.000000e+00, ptr [[ARRAYIDX]], align 8
// NOOMP-NEXT: br label [[FOR_INC:%.*]]
// NOOMP: for.inc:
// NOOMP-NEXT: [[TMP2:%.*]] = load i32, ptr [[I]], align 4
// NOOMP-NEXT: [[INC:%.*]] = add nsw i32 [[TMP2]], 1
// NOOMP-NEXT: store i32 [[INC]], ptr [[I]], align 4
// NOOMP-NEXT: br label [[FOR_COND]], !llvm.loop [[LOOP2:![0-9]+]]
// NOOMP: for.end:
// NOOMP-NEXT: call void @foo()
// NOOMP-NEXT: ret i32 0
//
int main(void) {
int i = 0;
#pragma omp parallel for
for (i = 0; i < size; ++i) {
A[i] = 0.0;
}
foo();
return 0;
}
// OMP-LABEL: @foo(
// OMP-NEXT: entry:
// OMP-NEXT: [[I:%.*]] = alloca i32, align 4
// OMP-NEXT: store i32 0, ptr [[I]], align 4
// OMP-NEXT: call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @[[GLOB2]], i32 0, ptr @foo.omp_outlined)
// OMP-NEXT: ret void
//
// NOOMP-LABEL: @foo(
// NOOMP-NEXT: entry:
// NOOMP-NEXT: [[I:%.*]] = alloca i32, align 4
// NOOMP-NEXT: store i32 0, ptr [[I]], align 4
// NOOMP-NEXT: store i32 0, ptr [[I]], align 4
// NOOMP-NEXT: br label [[FOR_COND:%.*]]
// NOOMP: for.cond:
// NOOMP-NEXT: [[TMP0:%.*]] = load i32, ptr [[I]], align 4
// NOOMP-NEXT: [[CMP:%.*]] = icmp slt i32 [[TMP0]], 33554432
// NOOMP-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]]
// NOOMP: for.body:
// NOOMP-NEXT: [[TMP1:%.*]] = load i32, ptr [[I]], align 4
// NOOMP-NEXT: [[IDXPROM:%.*]] = sext i32 [[TMP1]] to i64
// NOOMP-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [33554432 x double], ptr @A, i64 0, i64 [[IDXPROM]]
// NOOMP-NEXT: store double 1.000000e+00, ptr [[ARRAYIDX]], align 8
// NOOMP-NEXT: br label [[FOR_INC:%.*]]
// NOOMP: for.inc:
// NOOMP-NEXT: [[TMP2:%.*]] = load i32, ptr [[I]], align 4
// NOOMP-NEXT: [[INC:%.*]] = add nsw i32 [[TMP2]], 1
// NOOMP-NEXT: store i32 [[INC]], ptr [[I]], align 4
// NOOMP-NEXT: br label [[FOR_COND]], !llvm.loop [[LOOP4:![0-9]+]]
// NOOMP: for.end:
// NOOMP-NEXT: ret void
//
void foo(void) {
int i = 0;
#pragma omp parallel for
for (i = 0; i < size; ++i) {
A[i] = 1.0;
}
}
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