llvm-project/ubsan-conditional.c at 16603d838c0dfa6881f9b8118c5a0b5ac2789752 - llvm-project - Gitea For EOELAB

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Aaron Ballman 46b0d0eef9 Use functions with prototypes when appropriate; NFC

A significant number of our tests in C accidentally use functions
without prototypes. This patch converts the function signatures to have
a prototype for the situations where the test is not specific to K&R C
declarations. e.g.,

  void func();

becomes

  void func(void);

This is the twelfth batch of tests being updated (the end may be in
sight soon though).

2022-02-16 16:10:37 -05:00

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 // RUN: %clang_cc1 %s -emit-llvm -fsanitize=float-divide-by-zero -o - | FileCheck %s
 _Bool b;
 // CHECK: @f(
 double f(void) {
   // CHECK: %[[B:.*]] = load {{.*}} @b
   // CHECK: %[[COND:.*]] = trunc {{.*}} %[[B]] to i1
   // CHECK: br i1 %[[COND]]
   return b ? 0.0 / 0.0 : 0.0;
 }