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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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38
external/llvm/test/Transforms/DeadArgElim/variadic_safety.ll vendored
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@ -1,38 +0,0 @@
; RUN: opt < %s -deadargelim -S | FileCheck %s
declare void @llvm.va_start(i8*)
define internal i32 @va_func(i32 %a, i32 %b, ...) {
%valist = alloca i8
call void @llvm.va_start(i8* %valist)
ret i32 %b
}
; Function derived from AArch64 ABI, where 8 integer arguments go in
; registers but the 9th goes on the stack. We really don't want to put
; just 7 args in registers and then start on the stack since any
; va_arg implementation already present in va_func won't be expecting
; it.
define i32 @call_va(i32 %in) {
%stacked = alloca i32
store i32 42, i32* %stacked
%res = call i32(i32, i32, ...) @va_func(i32 %in, i32 %in, [6 x i32] undef, i32* byval %stacked)
ret i32 %res
; CHECK: call i32 (i32, i32, ...) @va_func(i32 undef, i32 %in, [6 x i32] undef, i32* byval %stacked)
}
define internal i32 @va_deadret_func(i32 %a, i32 %b, ...) {
%valist = alloca i8
call void @llvm.va_start(i8* %valist)
ret i32 %a
}
define void @call_deadret(i32 %in) {
%stacked = alloca i32
store i32 42, i32* %stacked
call i32 (i32, i32, ...) @va_deadret_func(i32 undef, i32 %in, [6 x i32] undef, i32* byval %stacked)
ret void
; CHECK: call void (i32, i32, ...) @va_deadret_func(i32 undef, i32 undef, [6 x i32] undef, i32* byval %stacked)
}