LowerBitSets: Extend pass to support functions as bitset members.

[oota-llvm.git] / test / Transforms / LowerBitSets / nonstring.ll

diff --git a/test/Transforms/LowerBitSets/nonstring.ll b/test/Transforms/LowerBitSets/nonstring.ll
new file mode 100644 (file)
index 0000000..0d655da
--- /dev/null
+++ b/test/Transforms/LowerBitSets/nonstring.ll
@@ -0,0 +1,34 @@
+; RUN: opt -S -lowerbitsets < %s | FileCheck %s
+
+; Tests that non-string metadata nodes may be used as bitset identifiers.
+
+target datalayout = "e-p:32:32"
+
+; CHECK: @[[BNAME:.*]] = private constant { [2 x i32] }
+; CHECK: @[[ANAME:.*]] = private constant { i32 }
+
+@a = constant i32 1
+@b = constant [2 x i32] [i32 2, i32 3]
+
+!0 = !{!2, i32* @a, i32 0}
+!1 = !{!3, [2 x i32]* @b, i32 0}
+!2 = distinct !{}
+!3 = distinct !{}
+
+!llvm.bitsets = !{ !0, !1 }
+
+declare i1 @llvm.bitset.test(i8* %ptr, metadata %bitset) nounwind readnone
+
+; CHECK-LABEL: @foo
+define i1 @foo(i8* %p) {
+  ; CHECK: icmp eq i32 {{.*}}, ptrtoint ({ i32 }* @[[ANAME]] to i32)
+  %x = call i1 @llvm.bitset.test(i8* %p, metadata !2)
+  ret i1 %x
+}
+
+; CHECK-LABEL: @bar
+define i1 @bar(i8* %p) {
+  ; CHECK: icmp eq i32 {{.*}}, ptrtoint ({ [2 x i32] }* @[[BNAME]] to i32)
+  %x = call i1 @llvm.bitset.test(i8* %p, metadata !3)
+  ret i1 %x
+}