506eaf7915
1. Fix some bugs in the jump table lowering threshold 2. Implement much better metric for optimal pivot selection 3. Tune thresholds for different lowering methods 4. Implement shift-and trick for lowering small (<machine word length) cases with few destinations. Good testcase will follow. llvm-svn: 35816
30 lines
989 B
LLVM
30 lines
989 B
LLVM
; RUN: llvm-as < %s | llc -march=x86 -o - | grep \$7 | wc -l | grep 1 &&
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; RUN: llvm-as < %s | llc -march=x86 -o - | grep \$6 | wc -l | grep 1 &&
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; RUN: llvm-as < %s | llc -march=x86 -o - | grep 1024 | wc -l | grep 1 &&
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; RUN: llvm-as < %s | llc -march=x86 -o - | grep jb | wc -l | grep 2 &&
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; RUN: llvm-as < %s | llc -march=x86 -o - | grep je | wc -l | grep 1
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define i32 @main(i32 %tmp158) {
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entry:
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switch i32 %tmp158, label %bb336 [
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i32 120, label %bb338
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i32 121, label %bb338
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i32 122, label %bb338
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i32 123, label %bb338
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i32 124, label %bb338
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i32 125, label %bb338
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i32 126, label %bb338
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i32 1024, label %bb338
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i32 0, label %bb338
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i32 1, label %bb338
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i32 2, label %bb338
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i32 3, label %bb338
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i32 4, label %bb338
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i32 5, label %bb338
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]
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bb336:
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ret i32 10
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bb338:
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ret i32 11
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}
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