From cb01efb7988d119d6e2aedab1740695aa6a9cc0c Mon Sep 17 00:00:00 2001
From: Bob Wilson <bob.wilson@apple.com>
Date: Sun, 3 Nov 2013 06:14:38 +0000
Subject: Enable optimization of sin / cos pair into call to __sincos_stret for
 iOS7+.

rdar://12856873
Patch by Evan Cheng, with a fix for rdar://13209539 by Tilmann Scheller

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193942 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/ARM/sincos.ll | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 test/CodeGen/ARM/sincos.ll

(limited to 'test')

diff --git a/test/CodeGen/ARM/sincos.ll b/test/CodeGen/ARM/sincos.ll
new file mode 100644
index 0000000000..30b2664e37
--- /dev/null
+++ b/test/CodeGen/ARM/sincos.ll
@@ -0,0 +1,38 @@
+; RUN: llc < %s -mtriple=armv7-apple-ios6 -mcpu=cortex-a8 | FileCheck %s --check-prefix=NOOPT
+; RUN: llc < %s -mtriple=armv7-apple-ios7 -mcpu=cortex-a8 | FileCheck %s --check-prefix=SINCOS
+
+; Combine sin / cos into a single call.
+; rdar://12856873
+
+define float @test1(float %x) nounwind {
+entry:
+; SINCOS-LABEL: test1:
+; SINCOS: bl ___sincosf_stret
+
+; NOOPT-LABEL: test1:
+; NOOPT: bl _sinf
+; NOOPT: bl _cosf
+  %call = tail call float @sinf(float %x) nounwind readnone
+  %call1 = tail call float @cosf(float %x) nounwind readnone
+  %add = fadd float %call, %call1
+  ret float %add
+}
+
+define double @test2(double %x) nounwind {
+entry:
+; SINCOS-LABEL: test2:
+; SINCOS: bl ___sincos_stret
+
+; NOOPT-LABEL: test2:
+; NOOPT: bl _sin
+; NOOPT: bl _cos
+  %call = tail call double @sin(double %x) nounwind readnone
+  %call1 = tail call double @cos(double %x) nounwind readnone
+  %add = fadd double %call, %call1
+  ret double %add
+}
+
+declare float  @sinf(float) readonly
+declare double @sin(double) readonly
+declare float @cosf(float) readonly
+declare double @cos(double) readonly
-- 
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