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| author | Justin Holewinski <jholewinski@nvidia.com> | 2013-10-11 12:39:36 +0000 |
|---|---|---|
| committer | Justin Holewinski <jholewinski@nvidia.com> | 2013-10-11 12:39:36 +0000 |
| commit | 43777c3150c1dd12c661f62d5d7c95bf9b04c16a (patch) | |
| tree | f9e93da9fdd9d405be3d996b5d5fde342a85c0e9 /test/CodeGen | |
| parent | 4fc2774b438c6c09f487362e53d5ac1a84edea73 (diff) | |
| download | external_llvm-43777c3150c1dd12c661f62d5d7c95bf9b04c16a.zip external_llvm-43777c3150c1dd12c661f62d5d7c95bf9b04c16a.tar.gz external_llvm-43777c3150c1dd12c661f62d5d7c95bf9b04c16a.tar.bz2 | |
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
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/NVPTX/implicit-def.ll | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/CodeGen/NVPTX/implicit-def.ll b/test/CodeGen/NVPTX/implicit-def.ll new file mode 100644 index 0000000..06d3d56 --- /dev/null +++ b/test/CodeGen/NVPTX/implicit-def.ll @@ -0,0 +1,9 @@ +; 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 +} + |