56 lines
1.8 KiB
LLVM
56 lines
1.8 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: llc -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s --check-prefix=CHECK-SPIRV
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; CHECK-SPIRV: OpSwitch %[[#]] %[[#]] 0 %[[#]] 1 %[[#]]
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define spir_kernel void @test_32(i32 addrspace(1)* %res) {
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entry:
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%res.addr = alloca i32 addrspace(1)*, align 8
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%tid = alloca i32, align 4
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store i32 addrspace(1)* %res, i32 addrspace(1)** %res.addr, align 8
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%call = call spir_func i64 @_Z13get_global_idj(i32 0)
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%conv = trunc i64 %call to i32
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store i32 %conv, i32* %tid, align 4
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%0 = load i32, i32* %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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sw.bb: ; preds = %entry
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%1 = load i32, i32* %tid, align 4
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%idxprom = sext i32 %1 to i64
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%2 = load i32 addrspace(1)*, i32 addrspace(1)** %res.addr, align 8
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%arrayidx = getelementptr inbounds i32, i32 addrspace(1)* %2, i64 %idxprom
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store i32 1, i32 addrspace(1)* %arrayidx, align 4
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br label %sw.epilog
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sw.bb1: ; preds = %entry
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%3 = load i32, i32* %tid, align 4
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%idxprom2 = sext i32 %3 to i64
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%4 = load i32 addrspace(1)*, i32 addrspace(1)** %res.addr, align 8
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%arrayidx3 = getelementptr inbounds i32, i32 addrspace(1)* %4, i64 %idxprom2
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store i32 2, i32 addrspace(1)* %arrayidx3, align 4
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br label %sw.epilog
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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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declare spir_func i64 @_Z13get_global_idj(i32)
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