102 lines
3.4 KiB
LLVM
102 lines
3.4 KiB
LLVM
;__kernel void test_32(__global int* res)
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;{
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; int tid = get_global_id(0);
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;
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; switch(tid)
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; {
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; case 0:
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; res[tid] = 1;
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; break;
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; case 1:
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; res[tid] = 2;
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; break;
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; }
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;}
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; bash$ clang -cc1 -triple spir64-unknown-unknown -x cl -cl-std=CL2.0 -O0 -include opencl.h -emit-llvm OpSwitch.cl -o test_32.ll
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; RUN: llvm-as %s -o %t.bc
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; RUN: llvm-spirv %t.bc -spirv-text -o %t.spt
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; RUN: FileCheck < %t.spt %s --check-prefix=CHECK-SPIRV
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; RUN: llvm-spirv %t.bc -o %t.spv
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; RUN: spirv-val %t.spv
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; RUN: llvm-spirv -r %t.spv -o %t.bc
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; RUN: llvm-dis < %t.bc | FileCheck %s --check-prefix=CHECK-LLVM
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; CHECK-SPIRV: 7 Switch {{[0-9]+}} {{[0-9]+}} 0 {{[0-9]+}} 1 {{[0-9]+}}
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; ModuleID = 'main'
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target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-n8:16:32:64"
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target triple = "spir64-unknown-unknown"
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;CHECK-LLVM: test_32
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;CHECK-LLVM: entry
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;CHECK-LLVM: switch i32 %[[#]], label %sw.epilog
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;CHECK-LLVM: i32 0, label %sw.bb
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;CHECK-LLVM: i32 1, label %sw.bb1
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; Function Attrs: nounwind
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define spir_kernel void @test_32(ptr addrspace(1) %res) #0 !kernel_arg_addr_space !1 !kernel_arg_access_qual !2 !kernel_arg_type !3 !kernel_arg_base_type !4 !kernel_arg_type_qual !5 {
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entry:
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%res.addr = alloca ptr addrspace(1), align 8
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%tid = alloca i32, align 4
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store ptr addrspace(1) %res, ptr %res.addr, align 8
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%call = call spir_func i64 @_Z13get_global_idj(i32 0) #2
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%conv = trunc i64 %call to i32
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store i32 %conv, ptr %tid, align 4
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%0 = load i32, ptr %tid, align 4
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switch i32 %0, label %sw.epilog [
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i32 0, label %sw.bb
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i32 1, label %sw.bb1
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]
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;CHECK-LLVM: sw.bb
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;CHECK-LLVM: preds = %entry
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sw.bb: ; preds = %entry
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%1 = load i32, ptr %tid, align 4
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%idxprom = sext i32 %1 to i64
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%2 = load ptr addrspace(1), ptr %res.addr, align 8
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%arrayidx = getelementptr inbounds i32, ptr addrspace(1) %2, i64 %idxprom
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store i32 1, ptr addrspace(1) %arrayidx, align 4
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br label %sw.epilog
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;CHECK-LLVM: sw.bb1
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;CHECK-LLVM: preds = %entry
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sw.bb1: ; preds = %entry
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%3 = load i32, ptr %tid, align 4
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%idxprom2 = sext i32 %3 to i64
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%4 = load ptr addrspace(1), ptr %res.addr, align 8
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%arrayidx3 = getelementptr inbounds i32, ptr addrspace(1) %4, i64 %idxprom2
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store i32 2, ptr addrspace(1) %arrayidx3, align 4
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br label %sw.epilog
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;CHECK-LLVM: sw.epilog
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;CHECK-LLVM: preds = %sw.bb1, %sw.bb, %entry
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sw.epilog: ; preds = %entry, %sw.bb1, %sw.bb
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ret void
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}
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; Function Attrs: nounwind
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declare spir_func i64 @_Z13get_global_idj(i32) #1
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attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #2 = { nounwind }
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!opencl.enable.FP_CONTRACT = !{}
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!opencl.spir.version = !{!6}
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!opencl.ocl.version = !{!7}
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!opencl.used.extensions = !{!8}
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!opencl.used.optional.core.features = !{!8}
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!opencl.compiler.options = !{!8}
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!llvm.ident = !{!9}
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!1 = !{i32 1}
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!2 = !{!"none"}
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!3 = !{!"int*"}
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!4 = !{!"int*"}
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!5 = !{!""}
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!6 = !{i32 1, i32 2}
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!7 = !{i32 2, i32 0}
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!8 = !{}
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!9 = !{!"clang version 3.6.1"}
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