Updating branches/google/stable to r178511stable

git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/google/stable@178655 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 19 insertions, 0 deletions

diff --git a/test/CodeGen/X86/2003-08-03-CallArgLiveRanges.ll b/test/CodeGen/X86/2003-08-03-CallArgLiveRanges.ll
new file mode 100644
index 0000000000..2e4cb1fe7e
--- /dev/null
+++ b/test/CodeGen/X86/2003-08-03-CallArgLiveRanges.ll
@@ -0,0 +1,19 @@
+; REQUIRES: asserts
+; The old instruction selector used to load all arguments to a call up in 
+; registers, then start pushing them all onto the stack.  This is bad news as
+; it makes a ton of annoying overlapping live ranges.  This code should not
+; cause spills!
+;
+; RUN: llc < %s -march=x86 -stats 2>&1 | not grep spilled
+
+target datalayout = "e-p:32:32"
+
+define i32 @test(i32, i32, i32, i32, i32, i32, i32, i32, i32, i32) {
+        ret i32 0
+}
+
+define i32 @main() {
+        %X = call i32 @test( i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10 )            ; <i32> [#uses=1]
+        ret i32 %X
+}
+