src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.api.directives.test/src/org/graalvm/compiler/api/directives/test/ProbabilityDirectiveTest.java
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48 @Test |
48 @Test |
49 public void testBranchProbability() { |
49 public void testBranchProbability() { |
50 test("branchProbabilitySnippet", 5); |
50 test("branchProbabilitySnippet", 5); |
51 } |
51 } |
52 |
52 |
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53 public static int branchProbabilitySnippet2(int arg) { |
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54 if (!GraalDirectives.injectBranchProbability(0.125, arg <= 0)) { |
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55 GraalDirectives.controlFlowAnchor(); // prevent removal of the if |
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56 return 2; |
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57 } else { |
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58 GraalDirectives.controlFlowAnchor(); // prevent removal of the if |
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59 return 1; |
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60 } |
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61 } |
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62 |
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63 @Test |
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64 public void testBranchProbability2() { |
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65 test("branchProbabilitySnippet2", 5); |
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66 } |
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67 |
53 @Override |
68 @Override |
54 protected boolean checkLowTierGraph(StructuredGraph graph) { |
69 protected boolean checkLowTierGraph(StructuredGraph graph) { |
55 NodeIterable<IfNode> ifNodes = graph.getNodes(IfNode.TYPE); |
70 NodeIterable<IfNode> ifNodes = graph.getNodes(IfNode.TYPE); |
56 Assert.assertEquals("IfNode count", 1, ifNodes.count()); |
71 Assert.assertEquals("IfNode count", 1, ifNodes.count()); |
57 |
72 |