diff test/CodeGen/X86/btq.ll @ 0:95c75e76d11b LLVM3.4

LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children 803732b1fca8
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/X86/btq.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,35 @@
+; RUN: llc < %s -march=x86-64 | FileCheck %s
+
+declare void @bar()
+
+define void @test1(i64 %foo) nounwind {
+  %and = and i64 %foo, 4294967296
+  %tobool = icmp eq i64 %and, 0
+  br i1 %tobool, label %if.end, label %if.then
+
+; CHECK-LABEL: test1:
+; CHECK: btq $32
+
+if.then:
+  tail call void @bar() nounwind
+  br label %if.end
+
+if.end:
+  ret void
+}
+
+define void @test2(i64 %foo) nounwind {
+  %and = and i64 %foo, 2147483648
+  %tobool = icmp eq i64 %and, 0
+  br i1 %tobool, label %if.end, label %if.then
+
+; CHECK-LABEL: test2:
+; CHECK: testl $-2147483648
+
+if.then:
+  tail call void @bar() nounwind
+  br label %if.end
+
+if.end:
+  ret void
+}