From 3a1e76d62706f2773c23a684446b4c549c151669 Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Wed, 27 Nov 2013 19:40:37 +0000
Subject: Merging r195576:
 ------------------------------------------------------------------------
 r195576 | venkatra | 2013-11-24 12:23:25 -0800 (Sun, 24 Nov 2013) | 2 lines

[Sparc] Emit large negative adjustments to SP/FP with sethi+xor instead of sethi+or. This generates correct code for both sparc32 and sparc64.

------------------------------------------------------------------------


git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195870 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/SPARC/64abi.ll | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'test/CodeGen')

diff --git a/test/CodeGen/SPARC/64abi.ll b/test/CodeGen/SPARC/64abi.ll
index 8a5c996..8b752a1 100644
--- a/test/CodeGen/SPARC/64abi.ll
+++ b/test/CodeGen/SPARC/64abi.ll
@@ -390,3 +390,24 @@ entry:
   %2 = add nsw i32 %0, %1
   ret i32 %2
 }
+
+; CHECK-LABEL: test_large_stack
+
+; CHECK:       sethi 16, %g1
+; CHECK:       xor %g1, -176, %g1
+; CHECK:       save %sp, %g1, %sp
+
+; CHECK:       sethi 14, %g1
+; CHECK:       xor %g1, -1, %g1
+; CHECK:       add %g1, %fp, %g1
+; CHECK:       call use_buf
+
+define i32 @test_large_stack() {
+entry:
+  %buffer1 = alloca [16384 x i8], align 8
+  %buffer1.sub = getelementptr inbounds [16384 x i8]* %buffer1, i32 0, i32 0
+  %0 = call i32 @use_buf(i32 16384, i8* %buffer1.sub)
+  ret i32 %0
+}
+
+declare i32 @use_buf(i32, i8*)
-- 
cgit v1.1