On Tue, Apr 09, 2013 at 11:38:42PM +0200, Vincent Lejeune wrote:
> ---
Reviewed-by: Tom Stellard <thomas.stell...@amd.com>
> lib/Target/R600/R600ControlFlowFinalizer.cpp | 11 ++++++-
> test/CodeGen/R600/loop-adress.ll | 44
> ++++++++++++++++++++++++++++
> 2 files changed, 54 insertions(+), 1 deletion(-)
> create mode 100644 test/CodeGen/R600/loop-adress.ll
>
> diff --git a/lib/Target/R600/R600ControlFlowFinalizer.cpp
> b/lib/Target/R600/R600ControlFlowFinalizer.cpp
> index cfaa36e..2350130 100644
> --- a/lib/Target/R600/R600ControlFlowFinalizer.cpp
> +++ b/lib/Target/R600/R600ControlFlowFinalizer.cpp
> @@ -67,6 +67,13 @@ private:
> case AMDGPU::TEX_SAMPLE_C_G:
> case AMDGPU::TXD:
> case AMDGPU::TXD_SHADOW:
> + case AMDGPU::VTX_READ_GLOBAL_8_eg:
> + case AMDGPU::VTX_READ_GLOBAL_32_eg:
> + case AMDGPU::VTX_READ_GLOBAL_128_eg:
> + case AMDGPU::VTX_READ_PARAM_8_eg:
> + case AMDGPU::VTX_READ_PARAM_16_eg:
> + case AMDGPU::VTX_READ_PARAM_32_eg:
> + case AMDGPU::VTX_READ_PARAM_128_eg:
> return true;
> default:
> return false;
> @@ -207,6 +214,8 @@ public:
> case AMDGPU::EG_ExportSwz:
> case AMDGPU::R600_ExportBuf:
> case AMDGPU::R600_ExportSwz:
> + case AMDGPU::RAT_WRITE_CACHELESS_32_eg:
> + case AMDGPU::RAT_WRITE_CACHELESS_128_eg:
> DEBUG(dbgs() << CfCount << ":"; MI->dump(););
> CfCount++;
> break;
> @@ -215,7 +224,7 @@ public:
> MaxStack = std::max(MaxStack, CurrentStack);
> MachineInstr *MIb = BuildMI(MBB, MI, MBB.findDebugLoc(MI),
> getHWInstrDesc(CF_WHILE_LOOP))
> - .addImm(2);
> + .addImm(1);
> std::pair<unsigned, std::set<MachineInstr *> > Pair(CfCount,
> std::set<MachineInstr *>());
> Pair.second.insert(MIb);
> diff --git a/test/CodeGen/R600/loop-adress.ll
> b/test/CodeGen/R600/loop-adress.ll
> new file mode 100644
> index 0000000..dc9295e
> --- /dev/null
> +++ b/test/CodeGen/R600/loop-adress.ll
> @@ -0,0 +1,44 @@
> +;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
> +
> +;CHECK: TEX
> +;CHECK: ALU_PUSH
> +;CHECK: JUMP @4
> +;CHECK: ELSE @16
> +;CHECK: TEX
> +;CHECK: LOOP_START_DX10 @15
> +;CHECK: LOOP_BREAK @14
> +;CHECK: POP @16
> +
> +target datalayout =
> "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64-v96:128:128-v128:128:128-v192:256:256-v256:256:256-v512:512:512-v1024:1024:1024-v2048:2048:2048-n32:64"
> +target triple = "r600--"
> +
> +define void @loop_ge(i32 addrspace(1)* nocapture %out, i32 %iterations) #0 {
> +entry:
> + %cmp5 = icmp sgt i32 %iterations, 0
> + br i1 %cmp5, label %for.body, label %for.end
> +
> +for.body: ; preds = %for.body, %entry
> + %i.07.in = phi i32 [ %i.07, %for.body ], [ %iterations, %entry ]
> + %ai.06 = phi i32 [ %add, %for.body ], [ 0, %entry ]
> + %i.07 = add nsw i32 %i.07.in, -1
> + %arrayidx = getelementptr inbounds i32 addrspace(1)* %out, i32 %ai.06
> + store i32 %i.07, i32 addrspace(1)* %arrayidx, align 4, !tbaa !4
> + %add = add nsw i32 %ai.06, 1
> + %exitcond = icmp eq i32 %add, %iterations
> + br i1 %exitcond, label %for.end, label %for.body
> +
> +for.end: ; preds = %for.body, %entry
> + ret void
> +}
> +
> +attributes #0 = { nounwind "fp-contract-model"="standard"
> "relocation-model"="pic" "ssp-buffers-size"="8" }
> +
> +!opencl.kernels = !{!0, !1, !2, !3}
> +
> +!0 = metadata !{void (i32 addrspace(1)*, i32)* @loop_ge}
> +!1 = metadata !{null}
> +!2 = metadata !{null}
> +!3 = metadata !{null}
> +!4 = metadata !{metadata !"int", metadata !5}
> +!5 = metadata !{metadata !"omnipotent char", metadata !6}
> +!6 = metadata !{metadata !"Simple C/C++ TBAA"}
> --
> 1.8.1.4
>
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