Test case for r246304.

llvm-svn: 246306
2015-08-28 17:19:54 +00:00 · 2015-08-28 17:19:54 +00:00 · 9c51053dd5
parent f5aa1ca655
commit 9c51053dd5
1 changed files with 15 additions and 0 deletions
--- a/llvm/test/CodeGen/X86/tailcall-readnone.ll
+++ b/llvm/test/CodeGen/X86/tailcall-readnone.ll
@ -0,0 +1,15 @@
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -o - %s | FileCheck %s
+
+define void @f(i32** %p) unnamed_addr {
+entry:
+  %v = tail call i32* @g()
+  store i32* %v, i32** %p, align 8
+  ret void
+}
+; CHECK-LABEL: f:
+; CHECK: callq g
+; CHECK: movq    %rax, (%rbx)
+
+declare i32* @g() #2
+
+attributes #2 = { nounwind readnone }