1; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s 2; 3; void jd(int *A, int *B, int c) { 4; for (int i = 0; i < 1024; i++) 5; A[i] = B[c]; 6; } 7; 8; CHECK: %[[Cext:[._a-zA-Z0-9]*]] = sext i32 %c to i64 9; CHECK: %[[Cp1:[._a-zA-Z0-9]*]] = call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 %[[Cext]], i64 1) 10; CHECK: %[[Cp1O:[._a-zA-Z0-9]*]] = extractvalue { i64, i1 } %[[Cp1]], 1 11; CHECK: %[[OS:[._a-zA-Z0-9]*]] = or i1 false, %[[Cp1O]] 12; CHECK: %[[Cp1R:[._a-zA-Z0-9]*]] = extractvalue { i64, i1 } %[[Cp1]], 0 13; CHECK: %[[BMax:[._a-zA-Z0-9]*]] = getelementptr i32, i32* %B, i64 %[[Cp1R]] 14; CHECK: %[[AMin:[._a-zA-Z0-9]*]] = getelementptr i32, i32* %A, i64 0 15; CHECK: %[[BMaxI:[._a-zA-Z0-9]*]] = ptrtoint i32* %[[BMax]] to i64 16; CHECK: %[[AMinI:[._a-zA-Z0-9]*]] = ptrtoint i32* %[[AMin]] to i64 17; CHECK: %[[BltA:[._a-zA-Z0-9]*]] = icmp ule i64 %[[BMaxI]], %[[AMinI]] 18; CHECK: %[[AMax:[._a-zA-Z0-9]*]] = getelementptr i32, i32* %A, i64 1024 19; CHECK: %[[BMin:[._a-zA-Z0-9]*]] = getelementptr i32, i32* %B, i32 %c 20; CHECK: %[[AMaxI:[._a-zA-Z0-9]*]] = ptrtoint i32* %[[AMax]] to i64 21; CHECK: %[[BMinI:[._a-zA-Z0-9]*]] = ptrtoint i32* %[[BMin]] to i64 22; CHECK: %[[AltB:[._a-zA-Z0-9]*]] = icmp ule i64 %[[AMaxI]], %[[BMinI]] 23; CHECK: %[[NoAlias:[._a-zA-Z0-9]*]] = or i1 %[[BltA]], %[[AltB]] 24; CHECK: %[[RTC:[._a-zA-Z0-9]*]] = and i1 true, %[[NoAlias]] 25; CHECK: %[[NOV:[._a-zA-Z0-9]*]] = xor i1 %[[OS]], true 26; CHECK: %[[RTCV:[._a-zA-Z0-9]*]] = and i1 %[[RTC]], %[[NOV]] 27; CHECK: br i1 %[[RTCV]], label %polly.start, label %for.cond 28; 29target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 30 31define void @jd(i32* %A, i32* %B, i32 %c) { 32entry: 33 br label %for.cond 34 35for.cond: ; preds = %for.inc, %entry 36 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] 37 %exitcond = icmp ne i64 %indvars.iv, 1024 38 br i1 %exitcond, label %for.body, label %for.end 39 40for.body: ; preds = %for.cond 41 %idxprom = sext i32 %c to i64 42 %arrayidx = getelementptr inbounds i32, i32* %B, i64 %idxprom 43 %tmp = load i32, i32* %arrayidx, align 4 44 %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv 45 store i32 %tmp, i32* %arrayidx2, align 4 46 br label %for.inc 47 48for.inc: ; preds = %for.body 49 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 50 br label %for.cond 51 52for.end: ; preds = %for.cond 53 ret void 54} 55