diff options
Diffstat (limited to 'test/Analysis/cfg.cpp')
| -rw-r--r-- | test/Analysis/cfg.cpp | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/test/Analysis/cfg.cpp b/test/Analysis/cfg.cpp index 85c5be5a9819..f43a809c77ef 100644 --- a/test/Analysis/cfg.cpp +++ b/test/Analysis/cfg.cpp @@ -1,6 +1,6 @@ -// RUN: %clang_analyze_cc1 -analyzer-checker=debug.DumpCFG -triple x86_64-apple-darwin12 -std=c++11 -analyzer-config cfg-rich-constructors=false %s > %t 2>&1 +// RUN: %clang_analyze_cc1 -analyzer-checker=debug.DumpCFG -triple x86_64-apple-darwin12 -fheinous-gnu-extensions -std=c++11 -analyzer-config cfg-rich-constructors=false %s > %t 2>&1 // RUN: FileCheck --input-file=%t -check-prefixes=CHECK,WARNINGS %s -// RUN: %clang_analyze_cc1 -analyzer-checker=debug.DumpCFG -triple x86_64-apple-darwin12 -std=c++11 -analyzer-config cfg-rich-constructors=true %s > %t 2>&1 +// RUN: %clang_analyze_cc1 -analyzer-checker=debug.DumpCFG -triple x86_64-apple-darwin12 -fheinous-gnu-extensions -std=c++11 -analyzer-config cfg-rich-constructors=true %s > %t 2>&1 // RUN: FileCheck --input-file=%t -check-prefixes=CHECK,ANALYZER %s // This file tests how we construct two different flavors of the Clang CFG - @@ -84,6 +84,24 @@ void checkDeclStmts() { static_assert(1, "abc"); } + +// CHECK-LABEL: void checkGCCAsmRValueOutput() +// CHECK: [B2 (ENTRY)] +// CHECK-NEXT: Succs (1): B1 +// CHECK: [B1] +// CHECK-NEXT: 1: int arg +// CHECK-NEXT: 2: arg +// CHECK-NEXT: 3: (int)[B1.2] (CStyleCastExpr, NoOp, int) +// CHECK-NEXT: 4: asm ("" : "=r" ([B1.3])); +// CHECK-NEXT: 5: arg +// CHECK-NEXT: 6: asm ("" : "=r" ([B1.5])); +void checkGCCAsmRValueOutput() { + int arg; + __asm__("" : "=r"((int)arg)); // rvalue output operand + __asm__("" : "=r"(arg)); // lvalue output operand +} + + // CHECK-LABEL: void F(EmptyE e) // CHECK: ENTRY // CHECK-NEXT: Succs (1): B1 |