[AMDGPU] Change llvm.debugtrap to be a debug breakpoint that can resume execution.

No longer require the queue pointer to be passed in in fixed SGPRs.

Differential Revision: https://reviews.llvm.org/D46769


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@332485 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed