Invariant start/end intrinsics overloaded for address space

[lldb.git] / llvm / test / Transforms / InstCombine / invariant.ll

diff --git a/llvm/test/Transforms/InstCombine/invariant.ll b/llvm/test/Transforms/InstCombine/invariant.ll
index 246f9e6..21e5f0f 100644 (file)
--- a/llvm/test/Transforms/InstCombine/invariant.ll
+++ b/llvm/test/Transforms/InstCombine/invariant.ll
@@ -2,15 +2,27 @@
 ; RUN: opt < %s -instcombine -S | FileCheck %s
 
 declare void @g(i8*)
+declare void @g_addr1(i8 addrspace(1)*)
 
-declare {}* @llvm.invariant.start(i64, i8* nocapture) nounwind readonly
+declare {}* @llvm.invariant.start.p0i8(i64, i8* nocapture) nounwind readonly
+declare {}* @llvm.invariant.start.p1i8(i64, i8 addrspace(1)* nocapture) nounwind readonly
 
 define i8 @f() {
   %a = alloca i8                                  ; <i8*> [#uses=4]
   store i8 0, i8* %a
-  %i = call {}* @llvm.invariant.start(i64 1, i8* %a) ; <{}*> [#uses=0]
-  ; CHECK: call {}* @llvm.invariant.start
+  %i = call {}* @llvm.invariant.start.p0i8(i64 1, i8* %a) ; <{}*> [#uses=0]
+  ; CHECK: call {}* @llvm.invariant.start.p0i8
   call void @g(i8* %a)
   %r = load i8, i8* %a                                ; <i8> [#uses=1]
   ret i8 %r
 }
+
+; make sure llvm.invariant.call in non-default addrspace are also not eliminated.
+define i8 @f_addrspace1(i8 addrspace(1)* %a) {
+  store i8 0, i8 addrspace(1)* %a
+  %i = call {}* @llvm.invariant.start.p1i8(i64 1, i8 addrspace(1)* %a) ; <{}*> [#uses=0]
+  ; CHECK: call {}* @llvm.invariant.start.p1i8
+  call void @g_addr1(i8 addrspace(1)* %a)
+  %r = load i8, i8 addrspace(1)* %a                                ; <i8> [#uses=1]
+  ret i8 %r
+}