llvm-6502/test/CodeGen/NVPTX/implicit-def.ll

; RUN: llc < %s -O0 -march=nvptx -mcpu=sm_20 -asm-verbose=1 | FileCheck %s

; CHECK: // implicit-def: %f[[F0:[0-9]+]]
; CHECK: add.f32         %f{{[0-9]+}}, %f{{[0-9]+}}, %f[[F0]];
define float @foo(float %a) {
  %ret = fadd float %a, undef
  ret float %ret
}
Make AsmPrinter::emitImplicitDef a virtual method so targets can emit custom comments for implicit defs For NVPTX, this fixes a crash where the emitImplicitDef implementation was expecting physical registers, while NVPTX uses virtual registers (with a couple of exceptions). Now, the implicit def comment will be emitted as a true PTX register name. Other targets can use this to customize the output of implicit def comments. Fixes PR17519 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192444 91177308-0d34-0410-b5e6-96231b3b80d8 2013-10-11 12:39:36 +00:00			`; RUN: llc < %s -O0 -march=nvptx -mcpu=sm_20 -asm-verbose=1 \| FileCheck %s`

			`; CHECK: // implicit-def: %f[[F0:[0-9]+]]`
			`; CHECK: add.f32 %f{{[0-9]+}}, %f{{[0-9]+}}, %f[[F0]];`
			`define float @foo(float %a) {`
			`%ret = fadd float %a, undef`
			`ret float %ret`
			`}`