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authorRichard Sandiford <rsandifo@linux.vnet.ibm.com>2013-11-22 17:37:52 +0000
committerRichard Sandiford <rsandifo@linux.vnet.ibm.com>2013-11-22 17:37:52 +0000
commit92ee08fbc242efb0a6d8e862fc7cb5fc0cedfd8e (patch)
tree101257e88b5314a09cead9815e42b01e0596c454 /test/CodeGen
parentfff1ff91915a613c0c23a5bbf7acb4694654d694 (diff)
downloadexternal_llvm-92ee08fbc242efb0a6d8e862fc7cb5fc0cedfd8e.zip
external_llvm-92ee08fbc242efb0a6d8e862fc7cb5fc0cedfd8e.tar.gz
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Add file missing from r195474.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195475 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
-rw-r--r--test/CodeGen/SystemZ/int-cmp-49.ll49
1 files changed, 49 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/int-cmp-49.ll b/test/CodeGen/SystemZ/int-cmp-49.ll
new file mode 100644
index 0000000..83f18a2
--- /dev/null
+++ b/test/CodeGen/SystemZ/int-cmp-49.ll
@@ -0,0 +1,49 @@
+; That that we don't try to use z196 instructions on z10 for TMHH and TMHL.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 -O0 | FileCheck %s
+
+@g = global i32 0
+
+; Check the lowest useful TMHL value.
+define void @f1(i64 %a) {
+; CHECK-LABEL: f1:
+; CHECK-NOT: risblg
+; CHECK-NOT: risbhg
+; CHECK: tmhl {{%r[0-5]}}, 1
+; CHECK-NOT: risblg
+; CHECK-NOT: risbhg
+; CHECK: br %r14
+entry:
+ %and = and i64 %a, 4294967296
+ %cmp = icmp eq i64 %and, 0
+ br i1 %cmp, label %exit, label %store
+
+store:
+ store i32 1, i32 *@g
+ br label %exit
+
+exit:
+ ret void
+}
+
+; Check the lowest useful TMHH value.
+define void @f2(i64 %a) {
+; CHECK-LABEL: f2:
+; CHECK-NOT: risblg
+; CHECK-NOT: risbhg
+; CHECK: tmhh {{%r[0-5]}}, 1
+; CHECK-NOT: risblg
+; CHECK-NOT: risbhg
+; CHECK: br %r14
+entry:
+ %and = and i64 %a, 281474976710656
+ %cmp = icmp ne i64 %and, 0
+ br i1 %cmp, label %exit, label %store
+
+store:
+ store i32 1, i32 *@g
+ br label %exit
+
+exit:
+ ret void
+}