From 64059080752b94a58b7f1d4475b8c372850ff083 Mon Sep 17 00:00:00 2001 From: Matt Arsenault Date: Fri, 31 Jul 2015 04:12:04 +0000 Subject: [PATCH] AMDGPU: Fix v16i32 to v16i8 truncstore llvm-svn: 243731 --- lib/Target/AMDGPU/SIISelLowering.cpp | 1 + test/CodeGen/AMDGPU/trunc-store.ll | 48 ++++++++++++++++++++++++++++ 2 files changed, 49 insertions(+) create mode 100644 test/CodeGen/AMDGPU/trunc-store.ll diff --git a/lib/Target/AMDGPU/SIISelLowering.cpp b/lib/Target/AMDGPU/SIISelLowering.cpp index 099b0b15942..25798c42a8c 100644 --- a/lib/Target/AMDGPU/SIISelLowering.cpp +++ b/lib/Target/AMDGPU/SIISelLowering.cpp @@ -157,6 +157,7 @@ SITargetLowering::SITargetLowering(TargetMachine &TM, setTruncStoreAction(MVT::i64, MVT::i32, Expand); setTruncStoreAction(MVT::v8i32, MVT::v8i16, Expand); + setTruncStoreAction(MVT::v16i32, MVT::v16i8, Expand); setTruncStoreAction(MVT::v16i32, MVT::v16i16, Expand); setOperationAction(ISD::LOAD, MVT::i1, Custom); diff --git a/test/CodeGen/AMDGPU/trunc-store.ll b/test/CodeGen/AMDGPU/trunc-store.ll new file mode 100644 index 00000000000..4ba815f2669 --- /dev/null +++ b/test/CodeGen/AMDGPU/trunc-store.ll @@ -0,0 +1,48 @@ +; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s +; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}truncstore_arg_v16i32_to_v16i8: +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +define void @truncstore_arg_v16i32_to_v16i8(<16 x i8> addrspace(1)* %out, <16 x i32> %in) { + %trunc = trunc <16 x i32> %in to <16 x i8> + store <16 x i8> %trunc, <16 x i8> addrspace(1)* %out + ret void +} + +; FUNC-LABEL: {{^}}truncstore_arg_v16i64_to_v16i8: +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +; SI: buffer_store_byte +define void @truncstore_arg_v16i64_to_v16i8(<16 x i8> addrspace(1)* %out, <16 x i64> %in) { + %trunc = trunc <16 x i64> %in to <16 x i8> + store <16 x i8> %trunc, <16 x i8> addrspace(1)* %out + ret void +}