1 files changed, 49 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/int-move-08.ll b/test/CodeGen/SystemZ/int-move-08.ll
new file mode 100644
index 0000000..5640fec
--- /dev/null
+++ b/test/CodeGen/SystemZ/int-move-08.ll
@@ -0,0 +1,49 @@
+; Test 32-bit GPR accesses to a PC-relative location.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+@gsrc16 = global i16 1
+@gsrc32 = global i32 1
+@gdst16 = global i16 2
+@gdst32 = global i32 2
+
+; Check sign-extending loads from i16.
+define i32 @f1() {
+; CHECK: f1:
+; CHECK: lhrl %r2, gsrc16
+; CHECK: br %r14
+  %val = load i16 *@gsrc16
+  %ext = sext i16 %val to i32
+  ret i32 %ext
+}
+
+; Check zero-extending loads from i16.
+define i32 @f2() {
+; CHECK: f2:
+; CHECK: llhrl %r2, gsrc16
+; CHECK: br %r14
+  %val = load i16 *@gsrc16
+  %ext = zext i16 %val to i32
+  ret i32 %ext
+}
+
+; Check truncating 16-bit stores.
+define void @f3(i32 %val) {
+; CHECK: f3:
+; CHECK: sthrl %r2, gdst16
+; CHECK: br %r14
+  %half = trunc i32 %val to i16
+  store i16 %half, i16 *@gdst16
+  ret void
+}
+
+; Check plain loads and stores.
+define void @f4() {
+; CHECK: f4:
+; CHECK: lrl %r0, gsrc32
+; CHECK: strl %r0, gdst32
+; CHECK: br %r14
+  %val = load i32 *@gsrc32
+  store i32 %val, i32 *@gdst32
+  ret void
+}