From 603572a7711440d7229a6f98a4e6920fdc691848 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 11 Apr 2007 05:02:57 +0000
Subject: new testcases for integer abs function

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35880 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/iabs.ll | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 test/CodeGen/X86/iabs.ll

(limited to 'test/CodeGen/X86/iabs.ll')

diff --git a/test/CodeGen/X86/iabs.ll b/test/CodeGen/X86/iabs.ll
new file mode 100644
index 0000000..e1eab33
--- /dev/null
+++ b/test/CodeGen/X86/iabs.ll
@@ -0,0 +1,16 @@
+; RUN: llvm-as < %s | llc -march=x86-64 -stats 2>&1 | grep '6 .*Number of machine instrs printed'
+
+;; Integer absolute value, should produce something at least as good as:
+;;       movl %edi, %eax
+;;       sarl $31, %eax
+;;       addl %eax, %edi
+;;       xorl %eax, %edi
+;;       movl %edi, %eax
+;;       ret
+define i32 @test(i32 %a) {
+        %tmp1neg = sub i32 0, %a
+        %b = icmp sgt i32 %a, -1
+        %abs = select i1 %b, i32 %a, i32 %tmp1neg
+        ret i32 %abs
+}
+
-- 
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