llvm-for-llvmta/test/Transforms/InstCombine/2005-07-07-DeadPHILoop.ll

15 lines
371 B
LLVM

; RUN: opt < %s -instcombine -disable-output
; This example caused instcombine to spin into an infinite loop.
define void @test(i32* %P) {
ret void
Dead: ; preds = %Dead
%X = phi i32 [ %Y, %Dead ] ; <i32> [#uses=1]
%Y = sdiv i32 %X, 10 ; <i32> [#uses=2]
store i32 %Y, i32* %P
br label %Dead
}