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authorAkira Hatanaka <ahatanaka@mips.com>2012-03-08 03:32:42 +0000
committerAkira Hatanaka <ahatanaka@mips.com>2012-03-08 03:32:42 +0000
commitd4b0a06e19faae2f2554be3a67938f6d6b8a211b (patch)
tree6248a0044564fce9b6e0f736d364fb32d096999d
parentee8c3b03fb96d37315544149a295c29b0d4de8c8 (diff)
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Test case for r152280, r152285 and r152290.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152292 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--test/CodeGen/Mips/zeroreg.ll27
1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/zeroreg.ll b/test/CodeGen/Mips/zeroreg.ll
new file mode 100644
index 0000000000..b890e1dba9
--- /dev/null
+++ b/test/CodeGen/Mips/zeroreg.ll
@@ -0,0 +1,27 @@
+; RUN: llc < %s -march=mipsel | FileCheck %s
+
+@g1 = external global i32
+
+define i32 @foo0(i32 %s) nounwind readonly {
+entry:
+; CHECK-NOT: addiu
+; CHECK: movn
+ %tobool = icmp ne i32 %s, 0
+ %0 = load i32* @g1, align 4, !tbaa !0
+ %cond = select i1 %tobool, i32 0, i32 %0
+ ret i32 %cond
+}
+
+define i32 @foo1(i32 %s) nounwind readonly {
+entry:
+; CHECK-NOT: addiu
+; CHECK: movz
+ %tobool = icmp ne i32 %s, 0
+ %0 = load i32* @g1, align 4, !tbaa !0
+ %cond = select i1 %tobool, i32 %0, i32 0
+ ret i32 %cond
+}
+
+!0 = metadata !{metadata !"int", metadata !1}
+!1 = metadata !{metadata !"omnipotent char", metadata !2}
+!2 = metadata !{metadata !"Simple C/C++ TBAA", null}