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; Test CFG simplify removal of branch instructions.
;
; RUN: opt < %s -simplifycfg -S | FileCheck %s
define void @test1() {
br label %1
ret void
; CHECK-LABEL: @test1(
; CHECK-NEXT: ret void
}
define void @test2() {
ret void
ret void
; CHECK-LABEL: @test2(
; CHECK-NEXT: ret void
; CHECK-NEXT: }
}
define void @test3(i1 %T) {
br i1 %T, label %1, label %1
ret void
; CHECK-LABEL: @test3(
; CHECK-NEXT: ret void
}
; PR5795
define void @test5(i32 %A) {
switch i32 %A, label %return [
i32 2, label %1
i32 10, label %2
]
ret void
ret void
return: ; preds = %entry
ret void
; CHECK-LABEL: @test5(
; CHECK-NEXT: ret void
}
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