Properly emit range comparisons for switch cases, where neighbour cases
go to the same destination. Now we're producing really good code for
switch-lower-feature.ll testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35672 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Generic/switch-lower-feature-2.ll b/test/CodeGen/Generic/switch-lower-feature-2.ll
new file mode 100644
index 0000000..9363f03
--- /dev/null
+++ b/test/CodeGen/Generic/switch-lower-feature-2.ll
@@ -0,0 +1,47 @@
+; RUN: llvm-as < %s | llc -march=x86 -o - | grep jb | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=x86 -o - | grep \$6 | wc -l | grep 2 &&
+; RUN: llvm-as < %s | llc -march=x86 -o - | grep 1024 | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=x86 -o - | grep 1023 | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=x86 -o - | grep 119 | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=x86 -o - | grep JTI | wc -l | grep 2 &&
+; RUN: llvm-as < %s | llc -march=x86 -o - | grep jg | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=x86 -o - | grep ja | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=x86 -o - | grep js | wc -l | grep 1
+
+define i32 @main(i32 %tmp158) {
+entry:
+ switch i32 %tmp158, label %bb336 [
+ i32 -2147483648, label %bb338
+ i32 -2147483647, label %bb338
+ i32 -2147483646, label %bb338
+ i32 120, label %bb338
+ i32 121, label %bb339
+ i32 122, label %bb340
+ i32 123, label %bb341
+ i32 124, label %bb342
+ i32 125, label %bb343
+ i32 126, label %bb336
+ i32 1024, label %bb338
+ i32 0, label %bb338
+ i32 1, label %bb338
+ i32 2, label %bb338
+ i32 3, label %bb338
+ i32 4, label %bb338
+ i32 5, label %bb338
+ ]
+bb336:
+ ret i32 10
+bb338:
+ ret i32 11
+bb339:
+ ret i32 12
+bb340:
+ ret i32 13
+bb341:
+ ret i32 14
+bb342:
+ ret i32 15
+bb343:
+ ret i32 18
+
+}