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diff test/CodeGen/X86/atomic-or.ll @ 0:95c75e76d11b

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children afa8332a0e37
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/X86/atomic-or.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,28 @@
+; RUN: llc < %s -march=x86-64 -verify-machineinstrs | FileCheck %s
+
+; rdar://9692967
+
+define void @t1(i64* %p, i32 %b) nounwind {
+entry:
+  %p.addr = alloca i64*, align 8
+  store i64* %p, i64** %p.addr, align 8
+  %tmp = load i64** %p.addr, align 8
+; CHECK-LABEL: t1:
+; CHECK: movl    $2147483648, %eax
+; CHECK: lock
+; CHECK-NEXT: orq %r{{.*}}, (%r{{.*}})
+  %0 = atomicrmw or i64* %tmp, i64 2147483648 seq_cst
+  ret void
+}
+
+define void @t2(i64* %p, i32 %b) nounwind {
+entry:
+  %p.addr = alloca i64*, align 8
+  store i64* %p, i64** %p.addr, align 8
+  %tmp = load i64** %p.addr, align 8
+; CHECK-LABEL: t2:
+; CHECK: lock
+; CHECK-NEXT: orq $2147483644, (%r{{.*}})
+  %0 = atomicrmw or i64* %tmp, i64 2147483644 seq_cst
+  ret void
+}