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-rw-r--r--llvm/test/Bitcode/function-default-address-spaces.ll35
1 files changed, 35 insertions, 0 deletions
diff --git a/llvm/test/Bitcode/function-default-address-spaces.ll b/llvm/test/Bitcode/function-default-address-spaces.ll
new file mode 100644
index 00000000000..e008f43501a
--- /dev/null
+++ b/llvm/test/Bitcode/function-default-address-spaces.ll
@@ -0,0 +1,35 @@
+; RUN: llvm-as %s -o - | llvm-dis - | FileCheck %s -check-prefixes CHECK,PROG-AS0
+; RUN: llvm-as -data-layout "P200" %s -o - | llvm-dis | FileCheck %s -check-prefixes CHECK,PROG-AS200
+; RUN: not llvm-as -data-layout "P123456789" %s -o /dev/null 2>&1 | FileCheck %s -check-prefix BAD-DATALAYOUT
+; BAD-DATALAYOUT: LLVM ERROR: Invalid address space, must be a 24-bit integer
+
+; PROG-AS0-NOT: target datalayout
+; PROG-AS200: target datalayout = "P200"
+
+; Check that a function declaration without an address space (i.e. AS0) does not
+; have the addrspace() attribute printed if it is address space zero and it is
+; equal to the program address space.
+
+; PROG-AS0: define void @no_as() {
+; PROG-AS200: define void @no_as() addrspace(200) {
+define void @no_as() {
+ ret void
+}
+
+; A function with an explicit addrspace should only have the addrspace printed
+; if it is non-zero or if the module has a nonzero datalayout
+; PROG-AS0: define void @explit_as0() {
+; PROG-AS200: define void @explit_as0() addrspace(0) {
+define void @explit_as0() addrspace(0) {
+ ret void
+}
+
+; CHECK: define void @explit_as200() addrspace(200) {
+define void @explit_as200() addrspace(200) {
+ ret void
+}
+
+; CHECK: define void @explicit_as3() addrspace(3) {
+define void @explicit_as3() addrspace(3) {
+ ret void
+}
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