diff options
-rw-r--r-- | clang/lib/CodeGen/CGLoopInfo.cpp | 1 | ||||
-rw-r--r-- | clang/test/CodeGenCXX/pragma-loop-distribute.cpp | 23 |
2 files changed, 24 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGLoopInfo.cpp b/clang/lib/CodeGen/CGLoopInfo.cpp index 51474f16a01..62ee57112b4 100644 --- a/clang/lib/CodeGen/CGLoopInfo.cpp +++ b/clang/lib/CodeGen/CGLoopInfo.cpp @@ -112,6 +112,7 @@ void LoopAttributes::clear() { UnrollCount = 0; VectorizeEnable = LoopAttributes::Unspecified; UnrollEnable = LoopAttributes::Unspecified; + DistributeEnable = LoopAttributes::Unspecified; } LoopInfo::LoopInfo(BasicBlock *Header, const LoopAttributes &Attrs, diff --git a/clang/test/CodeGenCXX/pragma-loop-distribute.cpp b/clang/test/CodeGenCXX/pragma-loop-distribute.cpp new file mode 100644 index 00000000000..a6925593b81 --- /dev/null +++ b/clang/test/CodeGenCXX/pragma-loop-distribute.cpp @@ -0,0 +1,23 @@ +// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s + +void while_test(int *List, int Length, int *List2, int Length2) { + // CHECK: define {{.*}} @_Z10while_test + int i = 0; + +#pragma clang loop distribute(enable) + while (i < Length) { + // CHECK: br label {{.*}}, !llvm.loop ![[LOOP_1:.*]] + List[i] = i * 2; + i++; + } + + i = 0; + while (i < Length2) { + // CHECK-NOT: br label {{.*}}, !llvm.loop + List2[i] = i * 2; + i++; + } +} + +// CHECK: ![[LOOP_1]] = distinct !{![[LOOP_1]], ![[DISTRIBUTE_ENABLE:.*]]} +// CHECK: ![[DISTRIBUTE_ENABLE]] = !{!"llvm.loop.distribute.enable", i1 true} |