| Sumanth Gundapaneni | 8d50a50 | 2017-07-28 22:25:40 +0000 | [diff] [blame] | 1 | ; RUN: opt -S -O2 < %s | FileCheck %s -check-prefix=DISABLE |
| 2 | ; RUN: opt -S -hexagon-emit-lookup-tables=true -O2 < %s | FileCheck %s -check-prefix=DISABLE |
| 3 | ; RUN: opt -S -hexagon-emit-lookup-tables=false -O2 < %s | FileCheck %s -check-prefix=DISABLE |
| 4 | ; The attribute "no-jump-tables"="true" disables the generation of switch generated lookup tables |
| 5 | |
| 6 | ; DISABLE-NOT: @{{.*}} = private unnamed_addr constant [6 x i32] [i32 9, i32 20, i32 14, i32 22, i32 12, i32 5] |
| 7 | |
| 8 | 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" |
| 9 | target triple = "hexagon-unknown--elf" |
| 10 | |
| 11 | ; Function Attrs: noinline nounwind |
| 12 | define i32 @foo(i32 %c) #0 { |
| 13 | entry: |
| 14 | switch i32 %c, label %sw.default [ |
| 15 | i32 42, label %return |
| 16 | i32 43, label %sw.bb1 |
| 17 | i32 44, label %sw.bb2 |
| 18 | i32 45, label %sw.bb3 |
| 19 | i32 46, label %sw.bb4 |
| 20 | i32 47, label %sw.bb5 |
| 21 | i32 48, label %sw.bb6 |
| 22 | ] |
| 23 | |
| 24 | sw.bb1: br label %return |
| 25 | sw.bb2: br label %return |
| 26 | sw.bb3: br label %return |
| 27 | sw.bb4: br label %return |
| 28 | sw.bb5: br label %return |
| 29 | sw.bb6: br label %return |
| 30 | sw.default: br label %return |
| 31 | return: |
| 32 | %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 ] |
| 33 | ret i32 %retval.0 |
| 34 | } |
| 35 | |
| 36 | attributes #0 = { noinline nounwind "no-jump-tables"="true"} |