source: icGREP/icgrep-devel/llvm-3.8.0.src/test/Assembler/ConstantExprFoldCast.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: 911 bytes
Line 
1; This test checks to make sure that constant exprs fold in some simple situations
2
3; RUN: llvm-as < %s | llvm-dis | not grep cast
4; RUN: verify-uselistorder %s
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6@A = global i32* bitcast (i8* null to i32*)  ; Cast null -> fold
7@B = global i32** bitcast (i32** @A to i32**)   ; Cast to same type -> fold
8@C = global i32 trunc (i64 42 to i32)        ; Integral casts
9@D = global i32* bitcast(float*  bitcast (i32* @C to float*) to i32*)  ; cast of cast ptr->ptr
10@E = global i32 ptrtoint(float* inttoptr (i8 5 to float*) to i32)  ; i32 -> ptr -> i32
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12; Test folding of binary instrs
13@F = global i32* inttoptr (i32 add (i32 5, i32 -5) to i32*)
14@G = global i32* inttoptr (i32 sub (i32 5, i32 5) to i32*)
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16; Address space cast AS0 null-> AS1 null
17@H = global i32 addrspace(1)* addrspacecast(i32* null to i32 addrspace(1)*)
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19; Bitcast -> GEP
20@I = external global { i32 }
21@J = global i32* bitcast ({ i32 }* @I to i32*)
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