Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/test/Transforms/LowerSwitch/2014-06-11-SwitchDefaultUnreachableOpt.ll

@@ -1,44 +0,0 @@
-; RUN: opt < %s -lowerswitch -S | FileCheck %s
-;
-; The switch is lowered with a single icmp.
-; CHECK: icmp
-; CHECK-NOT: icmp
-;
-;int foo(int a) {
-;
-;  switch (a) {
-;  case 0:
-;    return 10;
-;  case 1:
-;    return 3;
-;  default:
-;    __builtin_unreachable();
-;  }
-;
-;}
-
-define i32 @foo(i32 %a) {
-  %1 = alloca i32, align 4
-  %2 = alloca i32, align 4
-  store i32 %a, i32* %2, align 4
-  %3 = load i32, i32* %2, align 4
-  switch i32 %3, label %6 [
-    i32 0, label %4
-    i32 1, label %5
-  ]
-
-; <label>:4 
-  store i32 10, i32* %1
-  br label %7
-
-; <label>:5
-  store i32 3, i32* %1
-  br label %7
-
-; <label>:6
-  unreachable
-
-; <label>:7
-  %8 = load i32, i32* %1
-  ret i32 %8
-}