llvm-6502/test/Other/lint.ll
Dan Gohman be02b20a8f Add several more lint checks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100841 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 01:39:53 +00:00

67 lines
1.7 KiB
LLVM

; RUN: opt -lint -disable-output < %s |& FileCheck %s
target datalayout = "e-p:64:64:64"
declare fastcc void @bar()
define i32 @foo() noreturn {
; CHECK: Caller and callee calling convention differ
call void @bar()
; CHECK: Null pointer dereference
store i32 0, i32* null
; CHECK: Null pointer dereference
%t = load i32* null
; CHECK: Undef pointer dereference
store i32 0, i32* undef
; CHECK: Undef pointer dereference
%u = load i32* undef
; CHECK: Memory reference address is misaligned
%x = inttoptr i32 1 to i32*
load i32* %x, align 4
; CHECK: Division by zero
%sd = sdiv i32 2, 0
; CHECK: Division by zero
%ud = udiv i32 2, 0
; CHECK: Division by zero
%sr = srem i32 2, 0
; CHECK: Division by zero
%ur = urem i32 2, 0
; CHECK: extractelement index out of range
%ee = extractelement <4 x i32> zeroinitializer, i32 4
; CHECK: insertelement index out of range
%ie = insertelement <4 x i32> zeroinitializer, i32 0, i32 4
; CHECK: Shift count out of range
%r = lshr i32 0, 32
; CHECK: Shift count out of range
%q = ashr i32 0, 32
; CHECK: Shift count out of range
%l = shl i32 0, 32
; CHECK: xor(undef, undef)
%xx = xor i32 undef, undef
; CHECK: sub(undef, undef)
%xs = sub i32 undef, undef
br label %next
next:
; CHECK: Static alloca outside of entry block
%a = alloca i32
; CHECK: Return statement in function with noreturn attribute
ret i32 0
foo:
%z = add i32 0, 0
; CHECK: unreachable immediately preceded by instruction without side effects
unreachable
}
; CHECK: Unnamed function with non-local linkage
define void @0() nounwind {
ret void
}
; CHECK: va_start called in a non-varargs function
declare void @llvm.va_start(i8*)
define void @not_vararg(i8* %p) nounwind {
call void @llvm.va_start(i8* %p)
ret void
}