mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 19:23:23 +01:00
042c06f5a2
This should not be making assumptions on the value of the casted pointer. llvm-svn: 270293
30 lines
1.1 KiB
LLVM
30 lines
1.1 KiB
LLVM
; This test checks to make sure that constant exprs fold in some simple situations
|
|
|
|
; RUN: llvm-as < %s | llvm-dis | FileCheck %s
|
|
; RUN: verify-uselistorder %s
|
|
|
|
; CHECK-NOT: bitcast
|
|
; CHECK-NOT: trunc
|
|
; CHECK: addrspacecast
|
|
; CHECK: addrspacecast
|
|
|
|
@A = global i32* bitcast (i8* null to i32*) ; Cast null -> fold
|
|
@B = global i32** bitcast (i32** @A to i32**) ; Cast to same type -> fold
|
|
@C = global i32 trunc (i64 42 to i32) ; Integral casts
|
|
@D = global i32* bitcast(float* bitcast (i32* @C to float*) to i32*) ; cast of cast ptr->ptr
|
|
@E = global i32 ptrtoint(float* inttoptr (i8 5 to float*) to i32) ; i32 -> ptr -> i32
|
|
|
|
; Test folding of binary instrs
|
|
@F = global i32* inttoptr (i32 add (i32 5, i32 -5) to i32*)
|
|
@G = global i32* inttoptr (i32 sub (i32 5, i32 5) to i32*)
|
|
|
|
; Address space cast AS0 null-> AS1 null
|
|
@H = global i32 addrspace(1)* addrspacecast(i32* null to i32 addrspace(1)*)
|
|
|
|
; Address space cast AS1 null-> AS0 null
|
|
@I = global i32* addrspacecast(i32 addrspace(1)* null to i32*)
|
|
|
|
; Bitcast -> GEP
|
|
@J = external global { i32 }
|
|
@K = global i32* bitcast ({ i32 }* @J to i32*)
|