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| author | Chris Lattner <sabre@nondot.org> | 2008-04-19 22:26:29 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-04-19 22:26:29 +0000 |
| commit | e972299f340413a7dd288dc019b21404a92e9354 (patch) | |
| tree | 3f7c5fc1f527928f9289e70394c7b40b4c2c6df0 /test/Assembler/ConstantExprFold.ll | |
| parent | df7d2b4ce89599ca75d4dc4fd581ce4507f73f2d (diff) | |
| download | external_llvm-e972299f340413a7dd288dc019b21404a92e9354.zip external_llvm-e972299f340413a7dd288dc019b21404a92e9354.tar.gz external_llvm-e972299f340413a7dd288dc019b21404a92e9354.tar.bz2 | |
rename *.llx -> *.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49969 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Assembler/ConstantExprFold.ll')
| -rw-r--r-- | test/Assembler/ConstantExprFold.ll | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/Assembler/ConstantExprFold.ll b/test/Assembler/ConstantExprFold.ll new file mode 100644 index 0000000..89edc24 --- /dev/null +++ b/test/Assembler/ConstantExprFold.ll @@ -0,0 +1,30 @@ +; This test checks to make sure that constant exprs fold in some simple +; situations + +; RUN: llvm-as < %s | llvm-dis | not grep {(} + +@A = global i64 0 + +global i64* inttoptr (i64 add (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X + 0 == X +global i64* inttoptr (i64 sub (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X - 0 == X +global i64* inttoptr (i64 mul (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X * 0 == 0 +global i64* inttoptr (i64 sdiv (i64 ptrtoint (i64* @A to i64), i64 1) to i64*) ; X / 1 == X +global i64* inttoptr (i64 srem (i64 ptrtoint (i64* @A to i64), i64 1) to i64*) ; X % 1 == 0 +global i64* inttoptr (i64 and (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X & 0 == 0 +global i64* inttoptr (i64 and (i64 ptrtoint (i64* @A to i64), i64 -1) to i64*) ; X & -1 == X +global i64 or (i64 ptrtoint (i64* @A to i64), i64 -1) ; X | -1 == -1 +global i64* inttoptr (i64 xor (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X ^ 0 == X + +%Ty = type { i32, i32 } +@B = external global %Ty + +global i1 icmp slt (i64* @A, i64* getelementptr (i64* @A, i64 1)) ; true +global i1 icmp slt (i64* @A, i64* getelementptr (i64* @A, i64 0)) ; false +global i1 icmp slt (i32* getelementptr (%Ty* @B, i64 0, i32 0), + i32* getelementptr (%Ty* @B, i64 0, i32 1)) ; true +;global i1 icmp ne (i64* @A, i64* bitcast (%Ty* @B to i64*)) ; true + +; PR2206 +@cons = weak global i32 0, align 8 ; <i32*> [#uses=1] +global i64 and (i64 ptrtoint (i32* @cons to i64), i64 7) + |