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8dae138d06
its callers to emit a space character before calling it when a space is needed. This fixes several spurious whitespace issues in ScalarEvolution's debug dumps. See the test changes for examples. This also fixes odd space-after-tab indentation in the output for switch statements, and changes calls from being printed like this: call void @foo( i32 %x ) to this: call void @foo(i32 %x) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56196 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
1013 B
LLVM
31 lines
1013 B
LLVM
; RUN: llvm-as < %s | opt -scalar-evolution -analyze | grep {Loop bb: (-1 + (-1 \\* %x) + %y) iterations!}
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; PR1597
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define i32 @f(i32 %x, i32 %y) {
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entry:
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%tmp63 = icmp ult i32 %x, %y ; <i1> [#uses=1]
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br i1 %tmp63, label %bb.preheader, label %bb8
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bb.preheader: ; preds = %entry
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br label %bb
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bb: ; preds = %bb3, %bb.preheader
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%x_addr.0 = phi i32 [ %tmp2, %bb3 ], [ %x, %bb.preheader ] ; <i32> [#uses=1]
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%tmp2 = add i32 %x_addr.0, 1 ; <i32> [#uses=3]
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br label %bb3
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bb3: ; preds = %bb
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%tmp6 = icmp ult i32 %tmp2, %y ; <i1> [#uses=1]
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br i1 %tmp6, label %bb, label %bb8.loopexit
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bb8.loopexit: ; preds = %bb3
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br label %bb8
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bb8: ; preds = %bb8.loopexit, %entry
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%x_addr.1 = phi i32 [ %x, %entry ], [ %tmp2, %bb8.loopexit ] ; <i32> [#uses=1]
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br label %return
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return: ; preds = %bb8
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ret i32 %x_addr.1
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}
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