mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-01-06 04:31:08 +00:00
29 lines
693 B
LLVM
29 lines
693 B
LLVM
|
; Test that functions with dynamic allocas get inlined in a case where
|
||
|
|
; naively inlining it would result in a miscompilation.
|
||
|
|
|
||
|
|
; RUN: llvm-as < %s | opt -inline &&
|
||
|
|
; RUN: llvm-as < %s | opt -inline | llvm-dis | grep llvm.stacksave &&
|
||
|
|
; RUN: llvm-as < %s | opt -inline | llvm-dis | not grep callee
|
||
|
|
|
||
|
|
declare void %ext(int*)
|
||
|
|
implementation
|
||
|
|
|
||
|
|
internal void %callee(uint %N) {
|
||
|
|
%P = alloca int, uint %N ;; dynamic alloca
|
||
|
|
call void %ext(int* %P)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
void %foo(uint %N) {
|
||
|
|
br label %Loop
|
||
|
|
Loop:
|
||
|
|
%count = phi uint [0, %0], [%next, %Loop]
|
||
|
|
%next = add uint %count, 1
|
||
|
|
call void %callee(uint %N)
|
||
|
|
%cond = seteq uint %count, 100000
|
||
|
|
br bool %cond, label %out, label %Loop
|
||
|
|
out:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|