2faa569c0a
This replaces the use of %defaultOpts = '-basicaa -polly-prepare' with the minimal set of passes necessary for a test to succeed. Of the test cases that previously used %defaultOpts 76 test cases require none of these passes, 42 need -basicaa and only 2 need -polly-prepare. Our change makes this requirement explicit. In Polly many test cases have been using a macro '%defaultOpts' which run a couple of preparing passes before the actual Polly test case. This macro was introduced very early in the development of Polly and originally contained a large set of canonicalization passes. However, as the need for additional canonicalization passes makes test cases harder to understand and also more fragile in terms of changes in such passes, we aim since a longer time to only include the minimal set of passes necessary. This patch removes the last leftovers from of %defaultOpts and brings our tests cases more in line to what is usus in LLVM itself. llvm-svn: 216815
72 lines
2.6 KiB
LLVM
72 lines
2.6 KiB
LLVM
; RUN: opt %loadPolly -polly-ast -analyze < %s | FileCheck %s
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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"
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target triple = "x86_64-pc-linux-gnu"
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@A = common global [1024 x i32] zeroinitializer, align 16 ; <[1024 x i32]*> [#uses=3]
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define void @bar(i64 %n) nounwind {
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bb:
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fence seq_cst
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br label %bb1
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bb1: ; preds = %bb3, %bb
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%i.0 = phi i64 [ 0, %bb ], [ %tmp, %bb3 ] ; <i64> [#uses=3]
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%scevgep = getelementptr [1024 x i32]* @A, i64 0, i64 %i.0 ; <i32*> [#uses=1]
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%exitcond = icmp ne i64 %i.0, %n ; <i1> [#uses=1]
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br i1 %exitcond, label %bb2, label %bb4
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bb2: ; preds = %bb1
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store i32 1, i32* %scevgep
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br label %bb3
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bb3: ; preds = %bb2
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%tmp = add nsw i64 %i.0, 1 ; <i64> [#uses=1]
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br label %bb1
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bb4: ; preds = %bb1
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fence seq_cst
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ret void
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}
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define i32 @main() nounwind {
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bb:
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call void @llvm.memset.p0i8.i64(i8* bitcast ([1024 x i32]* @A to i8*), i8 0, i64 4096, i32 1, i1 false)
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call void @bar(i64 1024)
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br label %bb1
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bb1: ; preds = %bb7, %bb
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%indvar = phi i64 [ %indvar.next, %bb7 ], [ 0, %bb ] ; <i64> [#uses=3]
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%scevgep = getelementptr [1024 x i32]* @A, i64 0, i64 %indvar ; <i32*> [#uses=1]
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%i.0 = trunc i64 %indvar to i32 ; <i32> [#uses=1]
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%tmp = icmp slt i32 %i.0, 1024 ; <i1> [#uses=1]
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br i1 %tmp, label %bb2, label %bb8
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bb2: ; preds = %bb1
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%tmp3 = load i32* %scevgep ; <i32> [#uses=1]
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%tmp4 = icmp ne i32 %tmp3, 1 ; <i1> [#uses=1]
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br i1 %tmp4, label %bb5, label %bb6
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bb5: ; preds = %bb2
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br label %bb9
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bb6: ; preds = %bb2
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br label %bb7
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bb7: ; preds = %bb6
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%indvar.next = add i64 %indvar, 1 ; <i64> [#uses=1]
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br label %bb1
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bb8: ; preds = %bb1
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br label %bb9
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bb9: ; preds = %bb8, %bb5
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%.0 = phi i32 [ 1, %bb5 ], [ 0, %bb8 ] ; <i32> [#uses=1]
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ret i32 %.0
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}
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declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind
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; CHECK: for (int c1 = 0; c1 < n; c1 += 1)
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; CHECK: Stmt_bb2(c1);
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