[X86] Test for r242395 (Fix emitPrologue() to make less assumptions about pushes)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242399 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/prolog-push-seq.ll b/test/CodeGen/X86/prolog-push-seq.ll
new file mode 100644 (file)
index 0000000..f23791a
--- /dev/null
+++ b/test/CodeGen/X86/prolog-push-seq.ll
@@ -0,0 +1,19 @@
+; RUN: llc < %s | FileCheck %s
+
+target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
+target triple = "i386-pc-windows-msvc18.0.0"
+
+declare x86_thiscallcc void @bar(i32 %a, i32 %b)
+
+define fastcc void @foo(i32 %a, i32 %b) #0 {
+; CHECK-LABEL: foo:
+; CHECK: subl $64, %esp
+; CHECK-NEXT: pushl
+; CHECK-NEXT: calll _bar
+  %local = alloca i32, i32 16
+  call x86_thiscallcc void @bar(i32 %a, i32 %b)
+  call void asm sideeffect "nop", "~{ax},~{bx},~{cx},~{dx},~{bp},~{si},~{di}"()
+  ret void
+}
+
+attributes #0 = { nounwind optsize "no-frame-pointer-elim-non-leaf"}
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