source: icGREP/icgrep-devel/llvm-3.8.0.src/test/Assembler/ConstantExprFold.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 1.6 KB
Line 
1; This test checks to make sure that constant exprs fold in some simple
2; situations
3
4; RUN: llvm-as < %s | llvm-dis | not grep "("
5; RUN: verify-uselistorder %s
6
7@A = global i64 0
8
9global i64* inttoptr (i64 add (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X + 0 == X
10global i64* inttoptr (i64 sub (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X - 0 == X
11global i64* inttoptr (i64 mul (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X * 0 == 0
12global i64* inttoptr (i64 sdiv (i64 ptrtoint (i64* @A to i64), i64 1) to i64*) ; X / 1 == X
13global i64* inttoptr (i64 srem (i64 ptrtoint (i64* @A to i64), i64 1) to i64*) ; X % 1 == 0
14global i64* inttoptr (i64 and (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X & 0 == 0
15global i64* inttoptr (i64 and (i64 ptrtoint (i64* @A to i64), i64 -1) to i64*) ; X & -1 == X
16global i64 or (i64 ptrtoint (i64* @A to i64), i64 -1)  ; X | -1 == -1
17global i64* inttoptr (i64 xor (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X ^ 0 == X
18
19%Ty = type { i32, i32 }
20@B = external global %Ty
21
22global i1 icmp slt (i64* @A, i64* getelementptr (i64, i64* @A, i64 1))        ; true
23global i1 icmp ult (i64* @A, i64* getelementptr (i64, i64* @A, i64 1))        ; true
24global i1 icmp slt (i64* @A, i64* getelementptr (i64, i64* @A, i64 0))        ; false
25global i1 icmp slt (i32* getelementptr (%Ty, %Ty* @B, i64 0, i32 0),
26                   i32* getelementptr (%Ty, %Ty* @B, i64 0, i32 1))            ; true
27;global i1 icmp ne (i64* @A, i64* bitcast (%Ty* @B to i64*))                 ; true
28
29; PR2206
30@cons = weak global i32 0, align 8              ; <i32*> [#uses=1]
31global i64 and (i64 ptrtoint (i32* @cons to i64), i64 7)
32
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