2015-02-19 13:31:07 +08:00
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; RUN: opt %loadPolly -polly-detect-unprofitable -polly-code-generator=isl -polly-codegen-isl -S < %s | FileCheck %s
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2014-09-18 19:20:36 +08:00
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;
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; void jd(int *A, int *B, int c) {
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; for (int i = 0; i < 1024; i++)
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; A[i] = B[c - 10] + B[5];
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; }
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;
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; CHECK: %[[AMax:[._a-zA-Z0-9]*]] = getelementptr i32* %A, i64 1024
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; CHECK: %[[m0:[._a-zA-Z0-9]*]] = sext i32 %c to i64
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; CHECK: %[[m1:[._a-zA-Z0-9]*]] = icmp sge i64 %[[m0]], 15
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; CHECK: %[[m2:[._a-zA-Z0-9]*]] = sext i32 %c to i64
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; CHECK: %[[m3:[._a-zA-Z0-9]*]] = sub nsw i64 %[[m2]], 10
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; CHECK: %[[m4:[._a-zA-Z0-9]*]] = select i1 %[[m1]], i64 5, i64 %[[m3]]
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; CHECK: %[[BMin:[._a-zA-Z0-9]*]] = getelementptr i32* %B, i64 %[[m4]]
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; CHECK: %[[AltB:[._a-zA-Z0-9]*]] = icmp ule i32* %[[AMax]], %[[BMin]]
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; CHECK: %[[M0:[._a-zA-Z0-9]*]] = sext i32 %c to i64
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; CHECK: %[[M1:[._a-zA-Z0-9]*]] = icmp sle i64 %[[M0]], 15
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; CHECK: %[[M2:[._a-zA-Z0-9]*]] = sext i32 %c to i64
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; CHECK: %[[M3:[._a-zA-Z0-9]*]] = sub nsw i64 %[[M2]], 9
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; CHECK: %[[M4:[._a-zA-Z0-9]*]] = select i1 %[[M1]], i64 6, i64 %[[M3]]
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; CHECK: %[[BMax:[._a-zA-Z0-9]*]] = getelementptr i32* %B, i64 %[[M4]]
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; CHECK: %[[AMin:[._a-zA-Z0-9]*]] = getelementptr i32* %A, i64 0
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; CHECK: %[[BltA:[._a-zA-Z0-9]*]] = icmp ule i32* %[[BMax]], %[[AMin]]
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; CHECK: %[[NoAlias:[._a-zA-Z0-9]*]] = or i1 %[[AltB]], %[[BltA]]
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; CHECK: %[[RTC:[._a-zA-Z0-9]*]] = and i1 true, %[[NoAlias]]
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; CHECK: br i1 %[[RTC]], label %polly.start, label %for.cond
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @jd(i32* %A, i32* %B, i32 %c) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
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%exitcond = icmp ne i64 %indvars.iv, 1024
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br i1 %exitcond, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%sub = add nsw i32 %c, -10
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%idxprom = sext i32 %sub to i64
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%arrayidx = getelementptr inbounds i32* %B, i64 %idxprom
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%tmp = load i32* %arrayidx, align 4
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%arrayidx1 = getelementptr inbounds i32* %B, i64 5
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%tmp1 = load i32* %arrayidx1, align 4
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%add = add nsw i32 %tmp, %tmp1
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%arrayidx3 = getelementptr inbounds i32* %A, i64 %indvars.iv
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store i32 %add, i32* %arrayidx3, align 4
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br label %for.inc
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for.inc: ; preds = %for.body
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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ret void
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}
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