a187964bac
In case we can not analyze an access function, we do not discard the SCoP, but assume conservatively that all memory accesses that can be derived from our base pointer may be accessed. Patch provided by: Marcello Maggioni <hayarms@gmail.com> llvm-svn: 146972
44 lines
1.6 KiB
LLVM
44 lines
1.6 KiB
LLVM
; RUN: opt %loadPolly %defaultOpts -O3 -polly-cloog -polly-allow-nonaffine -analyze %s | FileCheck %s
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; ModuleID = 'simple_nonaffine_loop.c'
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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"
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target triple = "x86_64-apple-macosx10.7.2"
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@.str = private unnamed_addr constant [17 x i8] c"Random Value: %d\00", align 1
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define i32 @main() nounwind uwtable ssp {
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entry:
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%A = alloca [1048576 x i32], align 16
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br label %entry.split
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entry.split: ; preds = %entry
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br label %for.body
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for.body: ; preds = %entry.split, %for.body
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%0 = phi i32 [ 0, %entry.split ], [ %1, %for.body ]
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%mul = mul i32 %0, 2
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%mul1 = mul nsw i32 %0, %0
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%idxprom1 = zext i32 %mul1 to i64
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%arrayidx = getelementptr inbounds [1048576 x i32]* %A, i64 0, i64 %idxprom1
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store i32 %mul, i32* %arrayidx, align 4
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%1 = add nsw i32 %0, 1
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%exitcond = icmp ne i32 %1, 1024
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br i1 %exitcond, label %for.body, label %for.end
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for.end: ; preds = %for.body
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%call = call i32 @rand() nounwind
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%rem = srem i32 %call, 1024
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%mul2 = shl nsw i32 %rem, 10
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%idxprom3 = sext i32 %mul2 to i64
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%arrayidx4 = getelementptr inbounds [1048576 x i32]* %A, i64 0, i64 %idxprom3
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%2 = load i32* %arrayidx4, align 16
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%call5 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([17 x i8]* @.str, i64 0, i64 0), i32 %2) nounwind
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ret i32 0
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}
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declare i32 @printf(i8*, ...)
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declare i32 @rand()
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; CHECK: for (c2=0;c2<=1023;c2++) {
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; CHECK: Stmt_for_body(c2);
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; CHECK: }
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