derek.holloway
7502bf64a4
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60 lines
2.3 KiB
LLVM
60 lines
2.3 KiB
LLVM
; RUN: llc < %s -mtriple=nvptx64 -mcpu=sm_20 | FileCheck %s
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; RUN: %if ptxas %{ llc < %s -mtriple=nvptx64 -mcpu=sm_20 | %ptxas-verify %}
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target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64"
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target triple = "nvptx64-nvidia-cuda"
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%class.float3 = type { float, float, float }
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; Function Attrs: nounwind
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; CHECK-LABEL: some_kernel
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define ptx_kernel void @some_kernel(ptr nocapture %dst) #0 {
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_ZL11compute_vecRK6float3jb.exit:
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%ret_vec.sroa.8.i = alloca float, align 4
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%0 = tail call i32 @llvm.nvvm.read.ptx.sreg.ctaid.x()
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%1 = tail call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
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%2 = mul nsw i32 %1, %0
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%3 = tail call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
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%4 = add nsw i32 %2, %3
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%5 = zext i32 %4 to i64
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call void @llvm.lifetime.start.p0(i64 4, ptr %ret_vec.sroa.8.i)
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%6 = and i32 %4, 15
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%7 = icmp eq i32 %6, 0
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%8 = select nnan nsz i1 %7, float 0.000000e+00, float -1.000000e+00
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store float %8, ptr %ret_vec.sroa.8.i, align 4
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; CHECK: max.f32 %r{{[0-9]+}}, %r{{[0-9]+}}, 0f00000000
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%9 = fcmp olt float %8, 0.000000e+00
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%ret_vec.sroa.8.i.val = load float, ptr %ret_vec.sroa.8.i, align 4
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%10 = select nnan nsz i1 %9, float 0.000000e+00, float %ret_vec.sroa.8.i.val
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call void @llvm.lifetime.end.p0(i64 4, ptr %ret_vec.sroa.8.i)
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%11 = getelementptr inbounds %class.float3, ptr %dst, i64 %5, i32 0
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store float 0.000000e+00, ptr %11, align 4
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%12 = getelementptr inbounds %class.float3, ptr %dst, i64 %5, i32 1
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store float %10, ptr %12, align 4
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%13 = getelementptr inbounds %class.float3, ptr %dst, i64 %5, i32 2
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store float 0.000000e+00, ptr %13, align 4
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ret void
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}
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; Function Attrs: nounwind readnone
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declare i32 @llvm.nvvm.read.ptx.sreg.ctaid.x() #1
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; Function Attrs: nounwind readnone
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declare i32 @llvm.nvvm.read.ptx.sreg.ntid.x() #1
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; Function Attrs: nounwind readnone
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declare i32 @llvm.nvvm.read.ptx.sreg.tid.x() #1
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; Function Attrs: nounwind
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declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #2
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; Function Attrs: nounwind
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declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #2
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attributes #0 = { nounwind "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "stack-protector-buffer-size"="8" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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attributes #2 = { nounwind }
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!llvm.ident = !{!1}
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!1 = !{!"clang version 3.5.1 (tags/RELEASE_351/final)"}
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