clang/test/CodeGen/fp-floatcontrol-class.cpp

   1 // RUN: %clang_cc1 -ffp-contract=on -triple x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s
   2 // Verify that float_control does not pertain to initializer expressions
   3
   4 float y();
   5 float z();
   6 #pragma float_control(except, on)
   7 class ON {
   8   float w = 2 + y() * z();
   9   // CHECK-LABEL: define {{.*}} @_ZN2ONC2Ev{{.*}}
  10   // CHECK: llvm.experimental.constrained.fmul{{.*}}tonearest{{.*}}strict
  11 };
  12 ON on;
  13 #pragma float_control(except, off)
  14 class OFF {
  15   float w = 2 + y() * z();
  16   // CHECK-LABEL: define {{.*}} @_ZN3OFFC2Ev{{.*}}
  17   // CHECK-NOT: llvm.experimental.constrained.fmul{{.*}}tonearest{{.*}}strict
  18 };
  19 OFF off;