mirror of
https://github.com/Gericom/teak-llvm.git
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24939d479e
Summary: Although the feature was introduced only in OpenCL C v2.0 spec., it's useful for OpenCL 1.x too and doesn't require HW support. Reviewers: Anastasia Subscribers: yaxunl, cfe-commits, bader Differential Revision: https://reviews.llvm.org/D27453 llvm-svn: 289535
98 lines
2.8 KiB
Common Lisp
98 lines
2.8 KiB
Common Lisp
// RUN: %clang_cc1 -emit-llvm -O0 -cl-std=CL2.0 -o - %s | FileCheck %s
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// RUN: %clang_cc1 -emit-llvm -O0 -cl-std=CL1.2 -o - %s | FileCheck %s
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/*** for ***/
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void for_count()
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{
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// CHECK-LABEL: for_count
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__attribute__((opencl_unroll_hint(8)))
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for( int i = 0; i < 1000; ++i);
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// CHECK: br label %{{.*}}, !llvm.loop ![[FOR_COUNT:.*]]
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}
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void for_disable()
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{
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// CHECK-LABEL: for_disable
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__attribute__((opencl_unroll_hint(1)))
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for( int i = 0; i < 1000; ++i);
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// CHECK: br label %{{.*}}, !llvm.loop ![[FOR_DISABLE:.*]]
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}
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void for_full()
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{
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// CHECK-LABEL: for_full
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__attribute__((opencl_unroll_hint))
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for( int i = 0; i < 1000; ++i);
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// CHECK: br label %{{.*}}, !llvm.loop ![[FOR_FULL:.*]]
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}
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/*** while ***/
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void while_count()
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{
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// CHECK-LABEL: while_count
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int i = 1000;
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__attribute__((opencl_unroll_hint(8)))
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while(i-->0);
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// CHECK: br label %{{.*}}, !llvm.loop ![[WHILE_COUNT:.*]]
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}
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void while_disable()
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{
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// CHECK-LABEL: while_disable
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int i = 1000;
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__attribute__((opencl_unroll_hint(1)))
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while(i-->0);
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// CHECK: br label %{{.*}}, !llvm.loop ![[WHILE_DISABLE:.*]]
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}
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void while_full()
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{
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// CHECK-LABEL: while_full
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int i = 1000;
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__attribute__((opencl_unroll_hint))
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while(i-->0);
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// CHECK: br label %{{.*}}, !llvm.loop ![[WHILE_FULL:.*]]
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}
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/*** do ***/
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void do_count()
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{
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// CHECK-LABEL: do_count
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int i = 1000;
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__attribute__((opencl_unroll_hint(8)))
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do {} while(i--> 0);
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// CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !llvm.loop ![[DO_COUNT:.*]]
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}
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void do_disable()
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{
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// CHECK-LABEL: do_disable
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int i = 1000;
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__attribute__((opencl_unroll_hint(1)))
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do {} while(i--> 0);
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// CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !llvm.loop ![[DO_DISABLE:.*]]
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}
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void do_full()
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{
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// CHECK-LABEL: do_full
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int i = 1000;
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__attribute__((opencl_unroll_hint))
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do {} while(i--> 0);
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// CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !llvm.loop ![[DO_FULL:.*]]
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}
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// CHECK: ![[FOR_COUNT]] = distinct !{![[FOR_COUNT]], ![[COUNT:.*]]}
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// CHECK: ![[COUNT]] = !{!"llvm.loop.unroll.count", i32 8}
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// CHECK: ![[FOR_DISABLE]] = distinct !{![[FOR_DISABLE]], ![[DISABLE:.*]]}
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// CHECK: ![[DISABLE]] = !{!"llvm.loop.unroll.disable"}
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// CHECK: ![[FOR_FULL]] = distinct !{![[FOR_FULL]], ![[FULL:.*]]}
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// CHECK: ![[FULL]] = !{!"llvm.loop.unroll.full"}
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// CHECK: ![[WHILE_COUNT]] = distinct !{![[WHILE_COUNT]], ![[COUNT]]}
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// CHECK: ![[WHILE_DISABLE]] = distinct !{![[WHILE_DISABLE]], ![[DISABLE]]}
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// CHECK: ![[WHILE_FULL]] = distinct !{![[WHILE_FULL]], ![[FULL]]}
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// CHECK: ![[DO_COUNT]] = distinct !{![[DO_COUNT]], ![[COUNT]]}
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// CHECK: ![[DO_DISABLE]] = distinct !{![[DO_DISABLE]], ![[DISABLE]]}
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// CHECK: ![[DO_FULL]] = distinct !{![[DO_FULL]], ![[FULL]]}
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