14 lines
510 B
C++
14 lines
510 B
C++
// RUN: %clang_cc1 -emit-llvm -triple=le32-unknown-nacl -o - %s | FileCheck %s
|
|
|
|
int f();
|
|
|
|
// Test that PNaCl 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:%.*]] = load atomic i8* bitcast (i64* @_ZGVZ1gvE1a to i8*) acquire
|
|
// CHECK-NEXT: [[GUARD:%.*]] = icmp eq i8 [[LOAD]], 0
|
|
// CHECK-NEXT: br i1 [[GUARD]]
|