llvm-project/polly/test/ScopInfo/multi-scop.ll

39 lines
1.5 KiB
LLVM

; RUN: opt %loadPolly -polly-detect-unprofitable -polly-detect -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -polly-detect-unprofitable -polly-scops -analyze < %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; This test case contains two scops.
define void @test(i32 %l, double* %a) {
entry:
br label %entry.split
entry.split: ; preds = %entry
%shl = shl i32 %l, 2
br i1 false, label %for.body, label %for.end
for.body: ; preds = %for.body, %entry.split
%j.011 = phi i32 [ 0, %entry.split ], [ %add76, %for.body ]
%add76 = add nsw i32 %j.011, 2
br i1 false, label %for.body, label %for.end
for.end: ; preds = %for.body, %entry.split
br i1 undef, label %for.body81, label %for.end170
for.body81: ; preds = %for.body81, %for.end
%j.19 = phi i32 [ %shl, %for.end ], [ %add169, %for.body81 ]
%add13710 = or i32 %j.19, 1
%idxprom138 = sext i32 %add13710 to i64
%arrayidx139 = getelementptr inbounds double, double* %a, i64 %idxprom138
store double undef, double* %arrayidx139, align 8
%add169 = add nsw i32 %j.19, 2
br i1 false, label %for.body81, label %for.end170
for.end170: ; preds = %for.body81
ret void
}
; CHECK: Valid Region for Scop: entry.split => for.end
; CHECK: Valid Region for Scop: for.body81 => for.end170