llvm-for-llvmta/test/Transforms/FunctionAttrs/naked_functions.ll

26 lines
599 B
LLVM

; RUN: opt -S -function-attrs %s | FileCheck %s
; RUN: opt -S -passes='function-attrs' %s | FileCheck %s
; Don't change the attributes of parameters of naked functions, in particular
; don't mark them as readnone
@g = common global i32 0, align 4
define i32 @bar() {
entry:
%call = call i32 @foo(i32* @g)
; CHECK: %call = call i32 @foo(i32* @g)
ret i32 %call
}
define internal i32 @foo(i32*) #0 {
entry:
%retval = alloca i32, align 4
call void asm sideeffect "ldr r0, [r0] \0Abx lr \0A", ""()
unreachable
}
; CHECK: define internal i32 @foo(i32* %0)
attributes #0 = { naked }