diff options
Diffstat (limited to 'clang/test/Analysis/loop-unrolling.cpp')
-rw-r--r-- | clang/test/Analysis/loop-unrolling.cpp | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/clang/test/Analysis/loop-unrolling.cpp b/clang/test/Analysis/loop-unrolling.cpp index 51261e3ee19..4d04b7b85b8 100644 --- a/clang/test/Analysis/loop-unrolling.cpp +++ b/clang/test/Analysis/loop-unrolling.cpp @@ -1,4 +1,4 @@ -// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -analyzer-max-loop 4 -analyzer-config unroll-loops=true -verify -std=c++11 %s +// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -analyzer-config unroll-loops=true,cfg-loopexit=true -verify -std=c++11 %s void clang_analyzer_numTimesReached(); @@ -219,3 +219,56 @@ int nested_inlined_no_unroll1() { int a = 22 / k; // no-warning return 0; } + + +int recursion_unroll1(bool b) { + int k = 2; + for (int i = 0; i < 5; i++) { + clang_analyzer_numTimesReached(); // expected-warning {{14}} + if(i == 0 && b) + recursion_unroll1(false); + clang_analyzer_numTimesReached(); // expected-warning {{15}} + } + int a = 22 / k; // no-warning + return 0; +} + +int recursion_unroll2(bool b) { + int k = 0; + for (int i = 0; i < 5; i++) { + clang_analyzer_numTimesReached(); // expected-warning {{10}} + if(i == 0 && b) + recursion_unroll2(false); + clang_analyzer_numTimesReached(); // expected-warning {{10}} + } + int a = 22 / k; // expected-warning {{Division by zero}} + return 0; +} + +int recursion_unroll3(bool b) { + int k = 2; + for (int i = 0; i < 5; i++) { + clang_analyzer_numTimesReached(); // expected-warning {{10}} + if(i == 4 && b) { + recursion_unroll3(false); + break; + } + clang_analyzer_numTimesReached(); // expected-warning {{10}} + } + int a = 22 / k; + return 0; +} + +int recursion_unroll4(bool b) { + int k = 2; + for (int i = 0; i < 5; i++) { + clang_analyzer_numTimesReached(); // expected-warning {{14}} + if(i == 0 && b) { + recursion_unroll4(false); + continue; + } + clang_analyzer_numTimesReached(); // expected-warning {{14}} + } + int a = 22 / k; + return 0; +} |