From 471850ab84301dd47cab2bf8d694fcb5766c1169 Mon Sep 17 00:00:00 2001
From: David Goodwin <david_goodwin@apple.com>
Date: Thu, 1 Oct 2009 21:46:35 +0000
Subject: Restore the -post-RA-scheduler flag as an override for the target
 specification. Remove -mattr for setting PostRAScheduler enable and instead
 use CPU string.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83215 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/break-anti-dependencies.ll | 33 +++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 test/CodeGen/X86/break-anti-dependencies.ll

(limited to 'test/CodeGen/X86/break-anti-dependencies.ll')

diff --git a/test/CodeGen/X86/break-anti-dependencies.ll b/test/CodeGen/X86/break-anti-dependencies.ll
new file mode 100644
index 0000000000..6b245c103e
--- /dev/null
+++ b/test/CodeGen/X86/break-anti-dependencies.ll
@@ -0,0 +1,33 @@
+; RUN: llc < %s -march=x86-64 -post-RA-scheduler -break-anti-dependencies=false > %t
+; RUN:   grep {%xmm0} %t | count 14
+; RUN:   not grep {%xmm1} %t
+; RUN: llc < %s -march=x86-64 -post-RA-scheduler -break-anti-dependencies > %t
+; RUN:   grep {%xmm0} %t | count 7
+; RUN:   grep {%xmm1} %t | count 7
+
+define void @goo(double* %r, double* %p, double* %q) nounwind {
+entry:
+	%0 = load double* %p, align 8
+	%1 = fadd double %0, 1.100000e+00
+	%2 = fmul double %1, 1.200000e+00
+	%3 = fadd double %2, 1.300000e+00
+	%4 = fmul double %3, 1.400000e+00
+	%5 = fadd double %4, 1.500000e+00
+	%6 = fptosi double %5 to i32
+	%7 = load double* %r, align 8
+	%8 = fadd double %7, 7.100000e+00
+	%9 = fmul double %8, 7.200000e+00
+	%10 = fadd double %9, 7.300000e+00
+	%11 = fmul double %10, 7.400000e+00
+	%12 = fadd double %11, 7.500000e+00
+	%13 = fptosi double %12 to i32
+	%14 = icmp slt i32 %6, %13
+	br i1 %14, label %bb, label %return
+
+bb:
+	store double 9.300000e+00, double* %q, align 8
+	ret void
+
+return:
+	ret void
+}
-- 
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