From cbb70ce070d220642b038ea101d9c0f9fbf860d6 Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Sun, 20 Feb 2011 12:57:14 +0000
Subject: Vendor import of llvm trunk r126079:
 http://llvm.org/svn/llvm-project/llvm/trunk@126079

---
 test/MC/ARM/prefetch.ll | 58 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 test/MC/ARM/prefetch.ll

(limited to 'test/MC/ARM/prefetch.ll')

diff --git a/test/MC/ARM/prefetch.ll b/test/MC/ARM/prefetch.ll
new file mode 100644
index 0000000..674b8f3
--- /dev/null
+++ b/test/MC/ARM/prefetch.ll
@@ -0,0 +1,58 @@
+; RUN: llc < %s -mtriple=armv7-apple-darwin   -mattr=+v7a,+mp -show-mc-encoding | FileCheck %s -check-prefix=ARM
+; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mattr=+v7a     -show-mc-encoding | FileCheck %s -check-prefix=T2
+; rdar://8924681
+
+define void @t1(i8* %ptr) nounwind  {
+entry:
+; ARM: t1:
+; ARM: pldw [r0]                        @ encoding: [0x00,0xf0,0x90,0xf5]
+; ARM: pld [r0]                         @ encoding: [0x00,0xf0,0xd0,0xf5]
+
+; T2: t1:
+; T2: pld [r0]                      @ encoding: [0x90,0xf8,0x00,0xf0]
+  tail call void @llvm.prefetch( i8* %ptr, i32 1, i32 3 )
+  tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 3 )
+  ret void
+}
+
+define void @t2(i8* %ptr) nounwind  {
+entry:
+; ARM: t2:
+; ARM: pld [r0, #1023]                  @ encoding: [0xff,0xf3,0xd0,0xf5]
+
+; T2: t2:
+; T2: pld [r0, #1023]               @ encoding: [0x90,0xf8,0xff,0xf3]
+  %tmp = getelementptr i8* %ptr, i32 1023
+  tail call void @llvm.prefetch( i8* %tmp, i32 0, i32 3 )
+  ret void
+}
+
+define void @t3(i32 %base, i32 %offset) nounwind  {
+entry:
+; ARM: t3:
+; ARM: pld [r0, r1, lsr #2]             @ encoding: [0x21,0xf1,0xd0,0xf7]
+
+; T2: t3:
+; T2: pld [r0, r1]                  @ encoding: [0x10,0xf8,0x01,0xf0]
+  %tmp1 = lshr i32 %offset, 2
+  %tmp2 = add i32 %base, %tmp1
+  %tmp3 = inttoptr i32 %tmp2 to i8*
+  tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3 )
+  ret void
+}
+
+define void @t4(i32 %base, i32 %offset) nounwind  {
+entry:
+; ARM: t4:
+; ARM: pld [r0, r1, lsl #2]             @ encoding: [0x01,0xf1,0xd0,0xf7]
+
+; T2: t4:
+; T2: pld [r0, r1, lsl #2]          @ encoding: [0x10,0xf8,0x21,0xf0]
+  %tmp1 = shl i32 %offset, 2
+  %tmp2 = add i32 %base, %tmp1
+  %tmp3 = inttoptr i32 %tmp2 to i8*
+  tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3 )
+  ret void
+}
+
+declare void @llvm.prefetch(i8*, i32, i32) nounwind 
-- 
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