forked from OSchip/llvm-project
37 lines
1.4 KiB
LLVM
37 lines
1.4 KiB
LLVM
; RUN: opt -S -O2 < %s | FileCheck %s -check-prefix=DISABLE
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; RUN: opt -S -hexagon-emit-lookup-tables=true -O2 < %s | FileCheck %s -check-prefix=DISABLE
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; RUN: opt -S -hexagon-emit-lookup-tables=false -O2 < %s | FileCheck %s -check-prefix=DISABLE
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; The attribute "no-jump-tables"="true" disables the generation of switch generated lookup tables
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; DISABLE-NOT: @{{.*}} = private unnamed_addr constant [6 x i32] [i32 9, i32 20, i32 14, i32 22, i32 12, i32 5]
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target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048"
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target triple = "hexagon-unknown--elf"
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; Function Attrs: noinline nounwind
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define i32 @foo(i32 %c) #0 {
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entry:
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switch i32 %c, label %sw.default [
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i32 42, label %return
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i32 43, label %sw.bb1
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i32 44, label %sw.bb2
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i32 45, label %sw.bb3
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i32 46, label %sw.bb4
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i32 47, label %sw.bb5
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i32 48, label %sw.bb6
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]
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sw.bb1: br label %return
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sw.bb2: br label %return
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sw.bb3: br label %return
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sw.bb4: br label %return
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sw.bb5: br label %return
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sw.bb6: br label %return
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sw.default: br label %return
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return:
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%retval.0 = phi i32 [ 15, %sw.default ], [ 1, %sw.bb6 ], [ 62, %sw.bb5 ], [ 27, %sw.bb4 ], [ -1, %sw.bb3 ], [ 0, %sw.bb2 ], [ 123, %sw.bb1 ], [ 55, %entry ]
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ret i32 %retval.0
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}
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attributes #0 = { noinline nounwind "no-jump-tables"="true"}
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