llvm-project/polly/test/Isl/CodeGen/run-time-condition.ll

32 lines
1.2 KiB
LLVM

; RUN: opt %loadPolly -polly-detect-unprofitable -polly-no-early-exit -basicaa -polly-codegen-isl -S < %s | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define void @run-time-condition(i16* noalias %A, i16* noalias %B) {
entry:
br label %for.cond
for.cond: ; preds = %for.body, %entry
%indvar = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp slt i64 %indvar, 1024
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%arrayidx = getelementptr inbounds i16* %B, i64 0
%load = load i16* %arrayidx
%add10 = add nsw i16 %load, 1
%arrayidx13 = getelementptr inbounds i16* %A, i64 %indvar
store i16 %add10, i16* %arrayidx13, align 2
%inc = add nsw i64 %indvar, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
; The trivial case, no run-time checks required.
;
; CHECK: polly.split_new_and_old:
; CHECK: br i1 true, label %polly.start, label %for.cond