llvm-project/llvm/test/Transforms/LoopVectorize/X86/pr55096-scalarize-add.ll

35 lines
862 B
LLVM

; RUN: opt -passes=loop-vectorize -force-vector-width=2 -force-vector-interleave=1 -S %s | FileCheck %s
; REQUIRES: asserts
; XFAIL: *
target triple = "x86_64-apple-macosx"
; CHECK: vector.body
define void @test_pr55096(i64 %c, ptr %p) {
entry:
br label %loop.header
loop.header:
%iv.1 = phi i64 [ 122, %entry ], [ %iv.1.next, %loop.latch ]
%iv.2 = phi i16 [ 6229, %entry ], [ %iv.2.next, %loop.latch ]
%iv.2.next = add i16 %iv.2, 2008
%cmp = icmp ult i64 %iv.1, %c
br i1 %cmp, label %loop.latch, label %loop.then
loop.then:
%div = udiv i16 4943, %iv.2.next
%gep = getelementptr inbounds i16, ptr %p, i16 %div
store i16 0, ptr %gep, align 2
br label %loop.latch
loop.latch:
%iv.1.next = add nuw nsw i64 %iv.1, 1
%exitcond.not = icmp eq i64 %iv.1.next, 462
br i1 %exitcond.not, label %exit, label %loop.header
exit:
ret void
}