Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/IndirectBrExpand/basic.ll

@@ -1,63 +0,0 @@
-; RUN: opt < %s -indirectbr-expand -S | FileCheck %s
-;
-; REQUIRES: x86-registered-target
-
-target triple = "x86_64-unknown-linux-gnu"
-
-@test1.targets = constant [4 x i8*] [i8* blockaddress(@test1, %bb0),
-                                     i8* blockaddress(@test1, %bb1),
-                                     i8* blockaddress(@test1, %bb2),
-                                     i8* blockaddress(@test1, %bb3)]
-; CHECK-LABEL: @test1.targets = constant [4 x i8*]
-; CHECK:       [i8* inttoptr (i64 1 to i8*),
-; CHECK:        i8* inttoptr (i64 2 to i8*),
-; CHECK:        i8* inttoptr (i64 3 to i8*),
-; CHECK:        i8* blockaddress(@test1, %bb3)]
-
-define void @test1(i64* readonly %p, i64* %sink) #0 {
-; CHECK-LABEL: define void @test1(
-entry:
-  %i0 = load i64, i64* %p
-  %target.i0 = getelementptr [4 x i8*], [4 x i8*]* @test1.targets, i64 0, i64 %i0
-  %target0 = load i8*, i8** %target.i0
-  ; Only a subset of blocks are viable successors here.
-  indirectbr i8* %target0, [label %bb0, label %bb1]
-; CHECK-NOT:     indirectbr
-; CHECK:         %[[ENTRY_V:.*]] = ptrtoint i8* %{{.*}} to i64
-; CHECK-NEXT:    br label %[[SWITCH_BB:.*]]
-
-bb0:
-  store volatile i64 0, i64* %sink
-  br label %latch
-
-bb1:
-  store volatile i64 1, i64* %sink
-  br label %latch
-
-bb2:
-  store volatile i64 2, i64* %sink
-  br label %latch
-
-bb3:
-  store volatile i64 3, i64* %sink
-  br label %latch
-
-latch:
-  %i.next = load i64, i64* %p
-  %target.i.next = getelementptr [4 x i8*], [4 x i8*]* @test1.targets, i64 0, i64 %i.next
-  %target.next = load i8*, i8** %target.i.next
-  ; A different subset of blocks are viable successors here.
-  indirectbr i8* %target.next, [label %bb1, label %bb2]
-; CHECK-NOT:     indirectbr
-; CHECK:         %[[LATCH_V:.*]] = ptrtoint i8* %{{.*}} to i64
-; CHECK-NEXT:    br label %[[SWITCH_BB]]
-;
-; CHECK:       [[SWITCH_BB]]:
-; CHECK-NEXT:    %[[V:.*]] = phi i64 [ %[[ENTRY_V]], %entry ], [ %[[LATCH_V]], %latch ]
-; CHECK-NEXT:    switch i64 %[[V]], label %bb0 [
-; CHECK-NEXT:      i64 2, label %bb1
-; CHECK-NEXT:      i64 3, label %bb2
-; CHECK-NEXT:    ]
-}
-
-attributes #0 = { "target-features"="+retpoline" }