mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-28 22:29:56 +00:00
ebd4eec538
The logic in SIInsertWaits::getHwCounts() only really made sense for SMRD instructions, and trying to shoehorn it into handling DS_WRITE_B32 caused it to corrupt the encoding of that by clobbering the first operand with the second one. Undo that damage and only apply the SMRD logic to that. Fixes some derivates related piglit regressions with radeonsi. Reviewed-by: Tom Stellard <thomas.stellard@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188558 91177308-0d34-0410-b5e6-96231b3b80d8
46 lines
1.5 KiB
LLVM
46 lines
1.5 KiB
LLVM
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=EG-CHECK %s
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; RUN: llc < %s -march=r600 -mcpu=verde | FileCheck --check-prefix=SI-CHECK %s
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@local_memory.local_mem = internal addrspace(3) unnamed_addr global [16 x i32] zeroinitializer, align 4
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; EG-CHECK: @local_memory
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; SI-CHECK: @local_memory
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; Check that the LDS size emitted correctly
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; EG-CHECK: .long 166120
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; EG-CHECK-NEXT: .long 16
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; SI-CHECK: .long 47180
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; SI-CHECK-NEXT: .long 32768
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; EG-CHECK: LDS_WRITE
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; SI-CHECK: DS_WRITE_B32 0
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; GROUP_BARRIER must be the last instruction in a clause
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; EG-CHECK: GROUP_BARRIER
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; EG-CHECK-NEXT: ALU clause
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; SI-CHECK: S_BARRIER
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; EG-CHECK: LDS_READ_RET
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; SI-CHECK: DS_READ_B32 {{VGPR[0-9]+}}, 0
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define void @local_memory(i32 addrspace(1)* %out) {
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entry:
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%y.i = call i32 @llvm.r600.read.tidig.x() #0
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%arrayidx = getelementptr inbounds [16 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %y.i
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store i32 %y.i, i32 addrspace(3)* %arrayidx, align 4
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%add = add nsw i32 %y.i, 1
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%cmp = icmp eq i32 %add, 16
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%.add = select i1 %cmp, i32 0, i32 %add
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call void @llvm.AMDGPU.barrier.local()
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%arrayidx1 = getelementptr inbounds [16 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %.add
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%0 = load i32 addrspace(3)* %arrayidx1, align 4
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%arrayidx2 = getelementptr inbounds i32 addrspace(1)* %out, i32 %y.i
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store i32 %0, i32 addrspace(1)* %arrayidx2, align 4
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ret void
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}
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declare i32 @llvm.r600.read.tidig.x() #0
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declare void @llvm.AMDGPU.barrier.local()
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attributes #0 = { readnone }
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