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authordim <dim@FreeBSD.org>2012-08-15 19:34:23 +0000
committerdim <dim@FreeBSD.org>2012-08-15 19:34:23 +0000
commit721c201bd55ffb73cb2ba8d39e0570fa38c44e15 (patch)
treeeacfc83d988e4b9d11114387ae7dc41243f2a363 /test/CodeGen/Thumb/2012-04-26-M0ISelBug.ll
parent2b2816e083a455f7a656ae88b0fd059d1688bb36 (diff)
downloadFreeBSD-src-721c201bd55ffb73cb2ba8d39e0570fa38c44e15.zip
FreeBSD-src-721c201bd55ffb73cb2ba8d39e0570fa38c44e15.tar.gz
Vendor import of llvm trunk r161861:
http://llvm.org/svn/llvm-project/llvm/trunk@161861
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@@ -0,0 +1,12 @@
+; RUN: llc -mtriple=thumbv6-apple-ios -mcpu=cortex-m0 < %s | FileCheck %s
+; Cortex-M0 doesn't have 32-bit Thumb2 instructions (except for dmb, mrs, etc.)
+; rdar://11331541
+
+define i32 @t(i32 %a) nounwind {
+; CHECK: t:
+; CHECK: asrs [[REG1:(r[0-9]+)]], [[REG2:(r[0-9]+)]], #31
+; CHECK: eors [[REG1]], [[REG2]]
+ %tmp0 = ashr i32 %a, 31
+ %tmp1 = xor i32 %tmp0, %a
+ ret i32 %tmp1
+}
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