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| author | Alon Zakai <alonzakai@gmail.com> | 2014-02-25 12:25:39 -0800 |
|---|---|---|
| committer | Alon Zakai <alonzakai@gmail.com> | 2014-02-25 12:25:39 -0800 |
| commit | 2a5c6e40d0a9d279750f84a3678c3e4d23061301 (patch) | |
| tree | 7714a0b54ab9b3fb492b0c79505671b1310ff8d8 /test/CodeGenCXX/static-init-emscripten.cpp | |
| parent | ec1178a11d6dbeb371f45dd94a1d1c0849bbf1cb (diff) | |
| parent | 632c823b8bfd3fd5a4b77628eddd6161c5d8367e (diff) | |
Merge branch 'master' of github.com:sunfishcode/emscripten-fastcomp-clang into incoming
Diffstat (limited to 'test/CodeGenCXX/static-init-emscripten.cpp')
| -rw-r--r-- | test/CodeGenCXX/static-init-emscripten.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGenCXX/static-init-emscripten.cpp b/test/CodeGenCXX/static-init-emscripten.cpp new file mode 100644 index 0000000000..b9d0271ae1 --- /dev/null +++ b/test/CodeGenCXX/static-init-emscripten.cpp @@ -0,0 +1,14 @@ +// RUN: %clang_cc1 -emit-llvm -triple=asmjs-unknown-emscripten -o - %s | FileCheck %s + +int f(); + +// Test that Emscripten uses the Itanium/x86 ABI in which the static +// variable's guard variable is tested via "load i8 and compare with +// zero" rather than the ARM ABI which uses "load i32 and test the +// bottom bit". +void g() { + static int a = f(); +} +// CHECK: load atomic i8* bitcast (i64* @_ZGVZ1gvE1a to i8*) acquire +// CHECK-NEXT: %guard.uninitialized = icmp eq i8 %0, 0 +// CHECK-NEXT: br i1 %guard.uninitialized, label %init.check, label %init.end |