It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/fast-cc-merge-stack-adj.ll b/test/CodeGen/X86/fast-cc-merge-stack-adj.ll
new file mode 100644
index 0000000..252981f
--- /dev/null
+++ b/test/CodeGen/X86/fast-cc-merge-stack-adj.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 -x86-asm-syntax=intel | \
+; RUN: grep {add ESP, 8}
+
+target triple = "i686-pc-linux-gnu"
+
+declare x86_fastcallcc void %func(int *%X, long %Y)
+
+x86_fastcallcc void %caller(int, long) {
+ %X = alloca int
+ call x86_fastcallcc void %func(int* %X, long 0) ;; not a tail call
+ ret void
+}