Rename invariant.group.barrier to launder.invariant.group
Summary:
This is one of the initial commit of "RFC: Devirtualization v2" proposal:
https://docs.google.com/document/d/16GVtCpzK8sIHNc2qZz6RN8amICNBtvjWUod2SujZVEo/edit?usp=sharing
Reviewers: rsmith, amharc, kuhar, sanjoy
Subscribers: arsenm, nhaehnle, javed.absar, hiraditya, llvm-commits
Differential Revision: https://reviews.llvm.org/D45111
llvm-svn: 331448
diff --git a/llvm/test/Bitcode/upgrade-invariant-group-barrier.ll b/llvm/test/Bitcode/upgrade-invariant-group-barrier.ll
new file mode 100644
index 0000000..d187489
--- /dev/null
+++ b/llvm/test/Bitcode/upgrade-invariant-group-barrier.ll
@@ -0,0 +1,22 @@
+; RUN: opt -S < %s | FileCheck %s
+
+; The intrinsic firstly only took i8*, then it was made polimorphic, then
+; it was renamed to launder.invariant.group
+define void @test(i8* %p1, i16* %p16) {
+; CHECK-LABEL: @test
+; CHECK: %p2 = call i8* @llvm.launder.invariant.group.p0i8(i8* %p1)
+; CHECK: %p3 = call i8* @llvm.launder.invariant.group.p0i8(i8* %p1)
+; CHECK: %p4 = call i16* @llvm.launder.invariant.group.p0i16(i16* %p16)
+ %p2 = call i8* @llvm.invariant.group.barrier(i8* %p1)
+ %p3 = call i8* @llvm.invariant.group.barrier.p0i8(i8* %p1)
+ %p4 = call i16* @llvm.invariant.group.barrier.p0i16(i16* %p16)
+ ret void
+}
+
+; CHECK: Function Attrs: inaccessiblememonly nounwind speculatable
+; CHECK: declare i8* @llvm.launder.invariant.group.p0i8(i8*)
+; CHECK: Function Attrs: inaccessiblememonly nounwind speculatable
+; CHECK: declare i16* @llvm.launder.invariant.group.p0i16(i16*)
+declare i8* @llvm.invariant.group.barrier(i8*)
+declare i8* @llvm.invariant.group.barrier.p0i8(i8*)
+declare i16* @llvm.invariant.group.barrier.p0i16(i16*)