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diff test/CodeGen/ARM/2011-04-15-AndVFlagPeepholeBug.ll @ 0:95c75e76d11b LLVM3.4

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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/ARM/2011-04-15-AndVFlagPeepholeBug.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,22 @@
+; RUN: llc < %s -mtriple=thumbv7-apple-darwin10 | FileCheck %s
+
+; CHECK: _f
+; CHECK-NOT: ands
+; CHECK: cmp
+; CHECK: blxle _g
+
+define i32 @f(i32 %a, i32 %b) nounwind ssp {
+entry:
+  %and = and i32 %b, %a
+  %cmp = icmp slt i32 %and, 1
+  br i1 %cmp, label %if.then, label %if.end
+
+if.then:                                          ; preds = %entry
+  tail call void (...)* @g(i32 %a, i32 %b) nounwind
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %entry
+  ret i32 %and
+}
+
+declare void @g(...)