derek.holloway
7502bf64a4
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55 lines
2.5 KiB
LLVM
55 lines
2.5 KiB
LLVM
; RUN: opt %loadNPMPolly '-passes=polly<no-default-opts>' -S < %s | FileCheck %s
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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];
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; }
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;
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; CHECK: %[[Cext:[._a-zA-Z0-9]*]] = sext i32 %c to i64
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; CHECK: %[[Cp1:[._a-zA-Z0-9]*]] = call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 %[[Cext]], i64 1)
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; CHECK: %[[Cp1O:[._a-zA-Z0-9]*]] = extractvalue { i64, i1 } %[[Cp1]], 1
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; CHECK: %[[OS:[._a-zA-Z0-9]*]] = or i1 false, %[[Cp1O]]
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; CHECK: %[[Cp1R:[._a-zA-Z0-9]*]] = extractvalue { i64, i1 } %[[Cp1]], 0
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; CHECK: %[[BMax:[._a-zA-Z0-9]*]] = getelementptr i32, ptr %B, i64 %[[Cp1R]]
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; CHECK: %[[AMin:[._a-zA-Z0-9]*]] = getelementptr i32, ptr %A, i64 0
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; CHECK: %[[BMaxI:[._a-zA-Z0-9]*]] = ptrtoint ptr %[[BMax]] to i64
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; CHECK: %[[AMinI:[._a-zA-Z0-9]*]] = ptrtoint ptr %[[AMin]] to i64
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; CHECK: %[[BltA:[._a-zA-Z0-9]*]] = icmp ule i64 %[[BMaxI]], %[[AMinI]]
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; CHECK: %[[AMax:[._a-zA-Z0-9]*]] = getelementptr i32, ptr %A, i64 1024
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; CHECK: %[[BMin:[._a-zA-Z0-9]*]] = getelementptr i32, ptr %B, i32 %c
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; CHECK: %[[AMaxI:[._a-zA-Z0-9]*]] = ptrtoint ptr %[[AMax]] to i64
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; CHECK: %[[BMinI:[._a-zA-Z0-9]*]] = ptrtoint ptr %[[BMin]] to i64
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; CHECK: %[[AltB:[._a-zA-Z0-9]*]] = icmp ule i64 %[[AMaxI]], %[[BMinI]]
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; CHECK: %[[NoAlias:[._a-zA-Z0-9]*]] = or i1 %[[BltA]], %[[AltB]]
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; CHECK: %[[RTC:[._a-zA-Z0-9]*]] = and i1 true, %[[NoAlias]]
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; CHECK: %[[NOV:[._a-zA-Z0-9]*]] = xor i1 %[[OS]], true
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; CHECK: %[[RTCV:[._a-zA-Z0-9]*]] = and i1 %[[RTC]], %[[NOV]]
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; CHECK: br i1 %[[RTCV]], 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(ptr %A, ptr %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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%idxprom = sext i32 %c to i64
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%arrayidx = getelementptr inbounds i32, ptr %B, i64 %idxprom
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%tmp = load i32, ptr %arrayidx, align 4
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%arrayidx2 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
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store i32 %tmp, ptr %arrayidx2, 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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