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fd7f1ad2f7
See test/CodeGen/X86/test-pic-jtbl.ll for a case where it works well; shaves another 10K off our favorite benchmark. I was hesitant about this because of compile speed, but seems to do OK on a bootstrap. llvm-svn: 37392
59 lines
1.4 KiB
LLVM
59 lines
1.4 KiB
LLVM
; RUN: llvm-as < %s | llc -mtriple=i686-pc-linux-gnu -relocation-model=pic \
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; RUN: -o %t -f
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; RUN: grep _GLOBAL_OFFSET_TABLE_ %t
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; RUN: grep piclabel %t | wc -l | grep 3
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; RUN: grep PLT %t | wc -l | grep 6
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; RUN: grep GOTOFF %t | wc -l | grep 1
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; RUN: grep JTI %t | wc -l | grep 8
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define void @bar(i32 %n.u) {
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entry:
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switch i32 %n.u, label %bb12 [i32 1, label %bb i32 2, label %bb6 i32 4, label %bb7 i32 5, label %bb8 i32 6, label %bb10 i32 7, label %bb1 i32 8, label %bb3 i32 9, label %bb4 i32 10, label %bb9 i32 11, label %bb2 i32 12, label %bb5 i32 13, label %bb11 ]
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bb:
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tail call void(...)* @foo1()
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ret void
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bb1:
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tail call void(...)* @foo2()
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ret void
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bb2:
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tail call void(...)* @foo6()
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ret void
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bb3:
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tail call void(...)* @foo3()
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ret void
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bb4:
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tail call void(...)* @foo4()
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ret void
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bb5:
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tail call void(...)* @foo5()
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ret void
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bb6:
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tail call void(...)* @foo1()
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ret void
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bb7:
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tail call void(...)* @foo2()
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ret void
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bb8:
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tail call void(...)* @foo6()
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ret void
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bb9:
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tail call void(...)* @foo3()
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ret void
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bb10:
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tail call void(...)* @foo4()
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ret void
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bb11:
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tail call void(...)* @foo5()
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ret void
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bb12:
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tail call void(...)* @foo6()
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ret void
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}
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declare void @foo1(...)
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declare void @foo2(...)
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declare void @foo6(...)
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declare void @foo3(...)
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declare void @foo4(...)
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declare void @foo5(...)
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