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; Test that llvm-reduce can remove uninteresting Basic Blocks, and remove them from instructions (i.e. SwitchInst, BranchInst and IndirectBrInst)
; Note: if an uninteresting BB is the default case for a switch, the instruction is removed altogether (since the default case cannot be replaced)
;
; RUN: llvm-reduce --test %python --test-arg %p/Inputs/remove-bbs.py %s -o %t
; RUN: cat %t | FileCheck -implicit-check-not=uninteresting %s
define void @main() {
interesting:
; CHECK-NOT: switch i32 0, label %uninteresting
switch i32 0, label %uninteresting [
i32 0, label %uninteresting
]
uninteresting:
ret void
interesting2:
; CHECK: switch i32 1, label %interesting3
switch i32 1, label %interesting3 [
; CHECK-NOT: i32 0, label %uninteresting
i32 0, label %uninteresting
; CHECK: i32 1, label %interesting3
i32 1, label %interesting3
]
interesting3:
; CHECK: br label %interesting2
br i1 true, label %interesting2, label %uninteresting
}
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