72 lines · cpp
1// RUN: %clang_cc1 -fopenmp-enable-irbuilder -verify -fopenmp -fopenmp-version=45 -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s 2// expected-no-diagnostics3 4struct S {5 int a, b;6};7 8struct P {9 int a, b;10};11 12void simple(float *a, float *b, int *c) {13 S s, *p;14 P pp;15#pragma omp simd16 for (int i = 3; i < 32; i += 5) {17 // llvm.access.group test18 // CHECK: %[[A_ADDR:.+]] = alloca ptr, align 819 // CHECK: %[[B_ADDR:.+]] = alloca ptr, align 820 // CHECK: %[[S:.+]] = alloca %struct.S, align 421 // CHECK: %[[P:.+]] = alloca ptr, align 822 // CHECK: %[[I:.+]] = alloca i32, align 423 // CHECK: %[[TMP3:.+]] = load ptr, ptr %[[B_ADDR:.+]], align 8, !llvm.access.group ![[META3:[0-9]+]]24 // CHECK-NEXT: %[[TMP4:.+]] = load i32, ptr %[[I:.+]], align 4, !llvm.access.group ![[META3:[0-9]+]]25 // CHECK-NEXT: %[[IDXPROM:.+]] = sext i32 %[[TMP4:.+]] to i6426 // CHECK-NEXT: %[[ARRAYIDX:.+]] = getelementptr inbounds float, ptr %[[TMP3:.+]], i64 %[[IDXPROM:.+]]27 // CHECK-NEXT: %[[TMP5:.+]] = load float, ptr %[[ARRAYIDX:.+]], align 4, !llvm.access.group ![[META3:[0-9]+]]28 // CHECK-NEXT: %[[A2:.+]] = getelementptr inbounds nuw %struct.S, ptr %[[S:.+]], i32 0, i32 029 // CHECK-NEXT: %[[TMP6:.+]] = load i32, ptr %[[A2:.+]], align 4, !llvm.access.group ![[META3:[0-9]+]]30 // CHECK-NEXT: %[[CONV:.+]] = sitofp i32 %[[TMP6:.+]] to float31 // CHECK-NEXT: %[[ADD:.+]] = fadd float %[[TMP5:.+]], %[[CONV:.+]]32 // CHECK-NEXT: %[[TMP7:.+]] = load ptr, ptr %[[P:.+]], align 8, !llvm.access.group ![[META3:[0-9]+]]33 // CHECK-NEXT: %[[A3:.+]] = getelementptr inbounds nuw %struct.S, ptr %[[TMP7:.+]], i32 0, i32 034 // CHECK-NEXT: %[[TMP8:.+]] = load i32, ptr %[[A3:.+]], align 4, !llvm.access.group ![[META3:[0-9]+]]35 // CHECK-NEXT: %[[CONV4:.+]] = sitofp i32 %[[TMP8:.+]] to float36 // CHECK-NEXT: %[[ADD5:.+]] = fadd float %[[ADD:.+]], %[[CONV4:.+]]37 // CHECK-NEXT: %[[TMP9:.+]] = load ptr, ptr %[[A_ADDR:.+]], align 8, !llvm.access.group ![[META3:[0-9]+]]38 // CHECK-NEXT: %[[TMP10:.+]] = load i32, ptr %[[I:.+]], align 4, !llvm.access.group ![[META3:[0-9]+]]39 // CHECK-NEXT: %[[IDXPROM6:.+]] = sext i32 %[[TMP10:.+]] to i6440 // CHECK-NEXT: %[[ARRAYIDX7:.+]] = getelementptr inbounds float, ptr %[[TMP9:.+]], i64 %[[IDXPROM6:.+]]41 // CHECK-NEXT: store float %[[ADD5:.+]], ptr %[[ARRAYIDX7:.+]], align 4, !llvm.access.group ![[META3:[0-9]+]]42 // llvm.loop test43 // CHECK: %[[OMP_LOOPDOTNEXT:.+]] = add nuw i32 %[[OMP_LOOPDOTIV:.+]], 144 // CHECK-NEXT: br label %omp_loop.header, !llvm.loop ![[META4:[0-9]+]]45 a[i] = b[i] + s.a + p->a;46 }47 48#pragma omp simd49 for (int j = 3; j < 32; j += 5) {50 // test if unique access groups were used for a second loop51 // CHECK: %[[A22:.+]] = getelementptr inbounds nuw %struct.P, ptr %[[PP:.+]], i32 0, i32 052 // CHECK-NEXT: %[[TMP14:.+]] = load i32, ptr %[[A22:.+]], align 4, !llvm.access.group ![[META7:[0-9]+]]53 // CHECK-NEXT: %[[TMP15:.+]] = load ptr, ptr %[[C_ADDR:.+]], align 8, !llvm.access.group ![[META7:[0-9]+]]54 // CHECK-NEXT: %[[TMP16:.+]] = load i32, ptr %[[J:.+]], align 4, !llvm.access.group ![[META7:[0-9]+]]55 // CHECK-NEXT: %[[IDXPROM23:.+]] = sext i32 %[[TMP16:.+]] to i6456 // CHECK-NEXT: %[[ARRAYIDX24:.+]] = getelementptr inbounds i32, ptr %[[TMP15:.+]], i64 %[[IDXPROM23:.+]]57 // CHECK-NEXT: store i32 %[[TMP14:.+]], ptr %[[ARRAYIDX24:.+]], align 4, !llvm.access.group ![[META7:[0-9]+]]58 // check llvm.loop metadata59 // CHECK: %[[OMP_LOOPDOTNEXT:.+]] = add nuw i32 %[[OMP_LOOPDOTIV:.+]], 160 // CHECK-NEXT: br label %[[OMP_LLOP_BODY:.*]], !llvm.loop ![[META8:[0-9]+]]61 c[j] = pp.a;62 }63}64 65// CHECK: ![[META3:[0-9]+]] = distinct !{}66// CHECK-NEXT: ![[META4]] = distinct !{![[META4]], ![[META5:[0-9]+]], ![[META6:[0-9]+]]}67// CHECK-NEXT: ![[META5]] = !{!"llvm.loop.parallel_accesses", ![[META3]]}68// CHECK-NEXT: ![[META6]] = !{!"llvm.loop.vectorize.enable", i1 true}69// CHECK-NEXT: ![[META7:[0-9]+]] = distinct !{}70// CHECK-NEXT: ![[META8]] = distinct !{![[META8]], ![[META9:[0-9]+]], ![[META6]]}71// CHECK-NEXT: ![[META9]] = !{!"llvm.loop.parallel_accesses", ![[META7]]}72