array-alloca.ll
813 Bytes
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; RUN: opt -inline -S < %s | FileCheck %s
; RUN: opt -passes='cgscc(inline)' -S < %s | FileCheck %s
%struct.A = type { i32 }
define void @callee1(i32 %M) {
entry:
%vla = alloca i32, i32 %M, align 16
ret void
}
define void @callee2(i32 %M) {
entry:
%vla = alloca %struct.A, i32 %M, align 16
ret void
}
define void @callee3(i128 %M) {
entry:
%vla = alloca i32, i128 %M, align 16
ret void
}
; CHECK-LABEL: @caller
define void @caller() #0 {
entry:
call void @caller()
; CHECK-NOT: call void @callee1
call void @callee1(i32 256)
; CHECK: call void @callee2
call void @callee2(i32 4096)
; CHECK: call void @callee3
; This is to test that there is no overflow in computing allocated size
; call void @callee3(i128 0x8000000000000000);
call void @callee3(i128 9223372036854775808);
ret void
}