| // 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, 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 |
