diff options
Diffstat (limited to 'llvm/test/Transforms/SimplifyCFG')
| -rw-r--r-- | llvm/test/Transforms/SimplifyCFG/SPARC/lit.local.cfg | 6 | ||||
| -rw-r--r-- | llvm/test/Transforms/SimplifyCFG/SPARC/switch_to_lookup_table.ll | 32 |
2 files changed, 38 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SimplifyCFG/SPARC/lit.local.cfg b/llvm/test/Transforms/SimplifyCFG/SPARC/lit.local.cfg new file mode 100644 index 00000000000..786fee9e661 --- /dev/null +++ b/llvm/test/Transforms/SimplifyCFG/SPARC/lit.local.cfg @@ -0,0 +1,6 @@ +config.suffixes = ['.ll', '.c', '.cpp'] + +targets = set(config.root.targets_to_build.split()) +if not 'Sparc' in targets: + config.unsupported = True + diff --git a/llvm/test/Transforms/SimplifyCFG/SPARC/switch_to_lookup_table.ll b/llvm/test/Transforms/SimplifyCFG/SPARC/switch_to_lookup_table.ll new file mode 100644 index 00000000000..9d1568557f3 --- /dev/null +++ b/llvm/test/Transforms/SimplifyCFG/SPARC/switch_to_lookup_table.ll @@ -0,0 +1,32 @@ +; RUN: opt < %s -simplifycfg -S -mtriple=sparc-unknown-unknown | FileCheck %s + +; Check that switches are not turned into lookup tables, as this is not +; considered profitable on the target. + +define i32 @f(i32 %c) nounwind uwtable readnone { +entry: + switch i32 %c, label %sw.default [ + i32 42, label %return + i32 43, label %sw.bb1 + i32 44, label %sw.bb2 + i32 45, label %sw.bb3 + i32 46, label %sw.bb4 + i32 47, label %sw.bb5 + i32 48, label %sw.bb6 + ] + +sw.bb1: br label %return +sw.bb2: br label %return +sw.bb3: br label %return +sw.bb4: br label %return +sw.bb5: br label %return +sw.bb6: br label %return +sw.default: br label %return +return: + %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 ] + ret i32 %retval.0 + +; CHECK: @f +; CHECK-NOT: getelementptr +; CHECK: switch i32 %c +} |
