Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/DeadArgElim/keepalive.ll

@@ -1,47 +0,0 @@
-; RUN: opt < %s -deadargelim -S | FileCheck %s
-
-%Ty = type <{ i32, i32 }>
-
-; Check if the pass doesn't modify anything that doesn't need changing. We feed
-; an unused argument to each function to lure it into changing _something_ about
-; the function and then changing too much.
-
-; This checks if the return value attributes are not removed
-; CHECK: define internal zeroext i32 @test1() #0
-define internal zeroext i32 @test1(i32 %DEADARG1) nounwind {
-        ret i32 1
-}
-
-; This checks if the struct doesn't get non-packed
-; CHECK-LABEL: define internal <{ i32, i32 }> @test2(
-define internal <{ i32, i32 }> @test2(i32 %DEADARG1) {
-        ret <{ i32, i32 }> <{ i32 1, i32 2 }>
-}
-
-; We use this external function to make sure the return values don't become dead
-declare void @user(i32, <{ i32, i32 }>)
-
-define void @caller() {
-        %B = call i32 @test1(i32 1)
-        %C = call <{ i32, i32 }> @test2(i32 2)
-        call void @user(i32 %B, <{ i32, i32 }> %C)
-        ret void
-}
-
-; We can't remove 'this' here, as that would put argmem in ecx instead of
-; memory.
-define internal x86_thiscallcc i32 @unused_this(i32* %this, i32* inalloca %argmem) {
-	%v = load i32, i32* %argmem
-	ret i32 %v
-}
-; CHECK-LABEL: define internal x86_thiscallcc i32 @unused_this(i32* %this, i32* inalloca %argmem)
-
-define i32 @caller2() {
-	%t = alloca i32
-	%m = alloca inalloca i32
-	store i32 42, i32* %m
-	%v = call x86_thiscallcc i32 @unused_this(i32* %t, i32* inalloca %m)
-	ret i32 %v
-}
-
-; CHECK: attributes #0 = { nounwind }