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https://github.com/capstone-engine/llvm-capstone.git
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f4ee371e60
These flags are now always passed to all tests and need to be disabled if not needed. Disabling these flags, rather than passing them to almost all tests, significantly simplfies our RUN: lines. llvm-svn: 249422
76 lines
2.4 KiB
LLVM
76 lines
2.4 KiB
LLVM
; RUN: opt %loadPolly -polly-codegen -S -verify-dom-info \
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; RUN: < %s | FileCheck %s
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;
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; Check that we do not reuse the B[i-1] GEP created in block S again in
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; block Q. Hence, we create two GEPs for B[i-1]:
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;
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; CHECK: %scevgep{{.}} = getelementptr i32, i32* %B, i64 -1
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; CHECK: %scevgep{{.}} = getelementptr i32, i32* %B, i64 -1
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;
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; void f(int *A, int *B) {
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; int x = 0;
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; for (int i = 0; i < 1024; i++) {
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; if (A[i]) {
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; if (i > 512)
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; S: A[i] = B[i - 1];
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; Q: A[i] += B[i - 1];
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; }
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; }
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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* %B) {
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bb:
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br label %bb1
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bb1: ; preds = %bb22, %bb
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%indvars.iv = phi i64 [ %indvars.iv.next, %bb22 ], [ 0, %bb ]
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%exitcond = icmp ne i64 %indvars.iv, 1024
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br i1 %exitcond, label %bb2, label %bb23
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bb2: ; preds = %bb1
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%tmp = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%tmp3 = load i32, i32* %tmp, align 4
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%tmp4 = icmp eq i32 %tmp3, 0
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br i1 %tmp4, label %bb21, label %bb5
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bb5: ; preds = %bb2
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%tmp6 = icmp sgt i64 %indvars.iv, 512
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br i1 %tmp6, label %bb7, label %bb13
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bb7: ; preds = %bb5
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br label %bb8
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bb8: ; preds = %bb7
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%tmp9 = add nsw i64 %indvars.iv, -1
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%tmp10 = getelementptr inbounds i32, i32* %B, i64 %tmp9
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%tmp11 = load i32, i32* %tmp10, align 4
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%tmp12 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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store i32 %tmp11, i32* %tmp12, align 4
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br label %bb13
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bb13: ; preds = %bb8, %bb5
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br label %bb14
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bb14: ; preds = %bb13
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%tmp15 = add nsw i64 %indvars.iv, -1
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%tmp16 = getelementptr inbounds i32, i32* %B, i64 %tmp15
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%tmp17 = load i32, i32* %tmp16, align 4
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%tmp18 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%tmp19 = load i32, i32* %tmp18, align 4
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%tmp20 = add nsw i32 %tmp19, %tmp17
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store i32 %tmp20, i32* %tmp18, align 4
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br label %bb21
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bb21: ; preds = %bb2, %bb14
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br label %bb22
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bb22: ; preds = %bb21
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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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bb23: ; preds = %bb1
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ret void
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}
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