Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/test/CodeGen/X86/stack-align-memcpy.ll

@@ -1,43 +0,0 @@
-; RUN: llc < %s -stackrealign -mtriple i386-apple-darwin -mcpu=i486 | FileCheck %s
-
-%struct.foo = type { [88 x i8] }
-
-declare void @bar(i8* nocapture, %struct.foo* align 4 byval) nounwind
-declare void @baz(i8*) nounwind
-
-; PR15249
-; We can't use rep;movsl here because it clobbers the base pointer in %esi.
-define void @test1(%struct.foo* nocapture %x, i32 %y) nounwind {
-  %dynalloc = alloca i8, i32 %y, align 1
-  call void @bar(i8* %dynalloc, %struct.foo* align 4 byval %x)
-  ret void
-
-; CHECK-LABEL: test1:
-; CHECK: andl $-16, %esp
-; CHECK: movl %esp, %esi
-; CHECK-NOT: rep;movsl
-}
-
-; PR19012
-; Also don't clobber %esi if the dynamic alloca comes after the memcpy.
-define void @test2(%struct.foo* nocapture %x, i32 %y, i8* %z) nounwind {
-  call void @bar(i8* %z, %struct.foo* align 4 byval %x)
-  %dynalloc = alloca i8, i32 %y, align 1
-  call void @baz(i8* %dynalloc)
-  ret void
-
-; CHECK-LABEL: test2:
-; CHECK: movl %esp, %esi
-; CHECK-NOT: rep;movsl
-}
-
-; Check that we do use rep movs if we make the alloca static.
-define void @test3(%struct.foo* nocapture %x, i32 %y, i8* %z) nounwind {
-  call void @bar(i8* %z, %struct.foo* align 4 byval %x)
-  %statalloc = alloca i8, i32 8, align 1
-  call void @baz(i8* %statalloc)
-  ret void
-
-; CHECK-LABEL: test3:
-; CHECK: rep;movsl
-}