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85 lines
2.2 KiB
LLVM
85 lines
2.2 KiB
LLVM
; RUN: opt -lint -disable-output < %s |& FileCheck %s
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target datalayout = "e-p:64:64:64"
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declare fastcc void @bar()
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@CG = constant i32 7
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define i32 @foo() noreturn {
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; CHECK: Caller and callee calling convention differ
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call void @bar()
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; CHECK: Null pointer dereference
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store i32 0, i32* null
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; CHECK: Null pointer dereference
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%t = load i32* null
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; CHECK: Undef pointer dereference
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store i32 0, i32* undef
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; CHECK: Undef pointer dereference
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%u = load i32* undef
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; CHECK: Memory reference address is misaligned
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%x = inttoptr i32 1 to i32*
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load i32* %x, align 4
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; CHECK: Division by zero
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%sd = sdiv i32 2, 0
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; CHECK: Division by zero
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%ud = udiv i32 2, 0
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; CHECK: Division by zero
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%sr = srem i32 2, 0
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; CHECK: Division by zero
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%ur = urem i32 2, 0
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; CHECK: extractelement index out of range
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%ee = extractelement <4 x i32> zeroinitializer, i32 4
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; CHECK: insertelement index out of range
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%ie = insertelement <4 x i32> zeroinitializer, i32 0, i32 4
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; CHECK: Shift count out of range
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%r = lshr i32 0, 32
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; CHECK: Shift count out of range
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%q = ashr i32 0, 32
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; CHECK: Shift count out of range
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%l = shl i32 0, 32
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; CHECK: xor(undef, undef)
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%xx = xor i32 undef, undef
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; CHECK: sub(undef, undef)
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%xs = sub i32 undef, undef
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; CHECK: Write to read-only memory
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store i32 8, i32* @CG
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; CHECK: Write to text section
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store i32 8, i32* bitcast (i32()* @foo to i32*)
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; CHECK: Load from block address
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%lb = load i32* bitcast (i8* blockaddress(@foo, %next) to i32*)
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; CHECK: Call to block address
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call void()* bitcast (i8* blockaddress(@foo, %next) to void()*)()
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br label %next
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next:
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; CHECK: Static alloca outside of entry block
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%a = alloca i32
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; CHECK: Return statement in function with noreturn attribute
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ret i32 0
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foo:
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%z = add i32 0, 0
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; CHECK: unreachable immediately preceded by instruction without side effects
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unreachable
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}
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; CHECK: Unnamed function with non-local linkage
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define void @0() nounwind {
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ret void
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}
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; CHECK: va_start called in a non-varargs function
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declare void @llvm.va_start(i8*)
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define void @not_vararg(i8* %p) nounwind {
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call void @llvm.va_start(i8* %p)
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ret void
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}
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define void @use_indbr() {
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indirectbr i8* bitcast (i32()* @foo to i8*), [label %block]
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block:
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unreachable
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}
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