[all-commits] [llvm/llvm-project] 72aa61: Warn of uninitialized variables on asm goto's indi...

[Bill Wendling via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 72aa619a7fe0e2f90959b0614f6388c09aba8913
      https://github.com/llvm/llvm-project/commit/72aa619a7fe0e2f90959b0614f6388c09aba8913
  Author: Bill Wendling <isanbard at gmail.com>
  Date:   2020-03-10 (Tue, 10 Mar 2020)

  Changed paths:
    M clang/lib/Analysis/UninitializedValues.cpp
    M clang/test/Analysis/uninit-asm-goto.cpp

  Log Message:
  -----------
  Warn of uninitialized variables on asm goto's indirect branch

Summary:
Outputs from an asm goto block cannot be used on the indirect branch.
It's not supported and may result in invalid code generation.

Reviewers: jyknight, nickdesaulniers, hfinkel

Reviewed By: nickdesaulniers

Subscribers: martong, cfe-commits, rnk, craig.topper, hiraditya, rsmith

Tags: #clang

Differential Revision: https://reviews.llvm.org/D71314