Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/Inline/byval-tail-call.ll

@@ -1,42 +0,0 @@
-; RUN: opt < %s -basicaa -tailcallelim -inline -instcombine -dse -S | FileCheck %s
-; RUN: opt < %s -aa-pipeline=basic-aa -passes='function(tailcallelim),cgscc(inline,function(instcombine,dse))' -S | FileCheck %s
-; PR7272
-
-; Calls that capture byval parameters cannot be marked as tail calls. Other
-; tails that don't capture byval parameters can still be tail calls.
-
-target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
-target triple = "i386-pc-linux-gnu"
-
-declare void @ext(i32*)
-
-define void @bar(i32* byval %x) {
-  call void @ext(i32* %x)
-  ret void
-}
-
-define void @foo(i32* %x) {
-; CHECK-LABEL: define void @foo(
-; CHECK: llvm.lifetime.start
-; CHECK: store i32 %2, i32* %x
-  call void @bar(i32* byval %x)
-  ret void
-}
-
-define internal void @qux(i32* byval %x) {
-  call void @ext(i32* %x)
-  tail call void @ext(i32* null)
-  ret void
-}
-
-define void @frob(i32* %x) {
-; CHECK-LABEL: define void @frob(
-; CHECK: %[[POS:.*]] = alloca i32
-; CHECK: %[[VAL:.*]] = load i32, i32* %x
-; CHECK: store i32 %[[VAL]], i32* %[[POS]]
-; CHECK: {{^ *}}call void @ext(i32* nonnull %[[POS]]
-; CHECK: tail call void @ext(i32* null)
-; CHECK: ret void
-  tail call void @qux(i32* byval %x)
-  ret void
-}