This will make it easier to switch the default of Polly's invariant load hoisting strategy and also makes it very clear that these test cases indeed require invariant code hoisting to work. llvm-svn: 278667
35 lines
1.0 KiB
LLVM
35 lines
1.0 KiB
LLVM
; RUN: opt %loadPolly -polly-codegen -polly-invariant-load-hoisting=true -polly-process-unprofitable -S < %s | FileCheck %s
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;
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; CHECK: polly.start
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;
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; void f(int *A, int *UB) {
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; for (int i = 0; i < *UB; i++)
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; A[i] = 0;
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; }
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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 @f(i32* %A, i32* %UB) {
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bb:
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br label %bb1
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bb1: ; preds = %bb6, %bb
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%indvars.iv = phi i64 [ %indvars.iv.next, %bb6 ], [ 0, %bb ]
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%tmp = load i32, i32* %UB, align 4
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%tmp2 = sext i32 %tmp to i64
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%tmp3 = icmp slt i64 %indvars.iv, %tmp2
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br i1 %tmp3, label %bb4, label %bb7
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bb4: ; preds = %bb1
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%tmp5 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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store i32 0, i32* %tmp5, align 4
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br label %bb6
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bb6: ; preds = %bb4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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br label %bb1
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bb7: ; preds = %bb1
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ret void
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}
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