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5ad54e5885
Reviewers: eddyb Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D16321 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@258134 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
2.0 KiB
LLVM
37 lines
2.0 KiB
LLVM
; This test checks to make sure that constant exprs fold in some simple
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; situations
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; RUN: llvm-as < %s | llvm-dis | not grep "("
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; RUN: verify-uselistorder %s
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@A = global i64 0
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global i64* inttoptr (i64 add (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X + 0 == X
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global i64* inttoptr (i64 sub (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X - 0 == X
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global i64* inttoptr (i64 mul (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X * 0 == 0
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global i64* inttoptr (i64 sdiv (i64 ptrtoint (i64* @A to i64), i64 1) to i64*) ; X / 1 == X
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global i64* inttoptr (i64 srem (i64 ptrtoint (i64* @A to i64), i64 1) to i64*) ; X % 1 == 0
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global i64* inttoptr (i64 and (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X & 0 == 0
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global i64* inttoptr (i64 and (i64 ptrtoint (i64* @A to i64), i64 -1) to i64*) ; X & -1 == X
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global i64 or (i64 ptrtoint (i64* @A to i64), i64 -1) ; X | -1 == -1
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global i64* inttoptr (i64 xor (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X ^ 0 == X
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%Ty = type { i32, i32 }
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@B = external global %Ty
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global i1 icmp slt (i64* @A, i64* getelementptr (i64, i64* @A, i64 1)) ; true
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global i1 icmp ult (i64* @A, i64* getelementptr (i64, i64* @A, i64 1)) ; true
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global i1 icmp slt (i64* @A, i64* getelementptr (i64, i64* @A, i64 0)) ; false
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global i1 icmp slt (i32* getelementptr (%Ty, %Ty* @B, i64 0, i32 0),
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i32* getelementptr (%Ty, %Ty* @B, i64 0, i32 1)) ; true
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;global i1 icmp ne (i64* @A, i64* bitcast (%Ty* @B to i64*)) ; true
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; PR2206
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@cons = weak global i32 0, align 8 ; <i32*> [#uses=1]
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global i64 and (i64 ptrtoint (i32* @cons to i64), i64 7)
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global <2 x i8*> getelementptr(i8, <2 x i8*> undef, <2 x i64> <i64 1, i64 1>)
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global <2 x i8*> getelementptr({ i8 }, <2 x { i8 }*> undef, <2 x i64> <i64 1, i64 1>, <2 x i32> <i32 0, i32 0>)
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global <2 x i8*> getelementptr(i8, <2 x i8*> zeroinitializer, <2 x i64> <i64 0, i64 0>)
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global <2 x i8*> getelementptr({ i8 }, <2 x { i8 }*> zeroinitializer, <2 x i64> <i64 0, i64 0>, <2 x i32> <i32 0, i32 0>)
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