llvm-project/llvm/test/Transforms/JumpThreading/2009-01-19-InfSwitchLoop.ll

22 lines
305 B
LLVM

; RUN: opt < %s -jump-threading -S
; PR3353
define i32 @test(i8 %X) {
entry:
%Y = add i8 %X, 1
%Z = add i8 %Y, 1
br label %bb33.i
bb33.i: ; preds = %bb33.i, %bb32.i
switch i8 %Y, label %bb32.i [
i8 39, label %bb35.split.i
i8 13, label %bb33.i
]
bb35.split.i:
ret i32 5
bb32.i:
ret i32 1
}