vendor/llvm/llvm-release_33-r183502

1 files changed, 48 insertions, 0 deletions

diff --git a/test/CodeGen/SystemZ/addr-03.ll b/test/CodeGen/SystemZ/addr-03.ll
new file mode 100644
index 000000000000..dbdb9f15b4f1
--- /dev/null
+++ b/test/CodeGen/SystemZ/addr-03.ll
@@ -0,0 +1,48 @@
+; Test constant addresses, unlikely as they are.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+define void @f1() {
+; CHECK: f1:
+; CHECK: lb %r0, 0
+; CHECK: br %r14
+  %ptr = inttoptr i64 0 to i8 *
+  %val = load volatile i8 *%ptr
+  ret void
+}
+
+define void @f2() {
+; CHECK: f2:
+; CHECK: lb %r0, -524288
+; CHECK: br %r14
+  %ptr = inttoptr i64 -524288 to i8 *
+  %val = load volatile i8 *%ptr
+  ret void
+}
+
+define void @f3() {
+; CHECK: f3:
+; CHECK-NOT: lb %r0, -524289
+; CHECK: br %r14
+  %ptr = inttoptr i64 -524289 to i8 *
+  %val = load volatile i8 *%ptr
+  ret void
+}
+
+define void @f4() {
+; CHECK: f4:
+; CHECK: lb %r0, 524287
+; CHECK: br %r14
+  %ptr = inttoptr i64 524287 to i8 *
+  %val = load volatile i8 *%ptr
+  ret void
+}
+
+define void @f5() {
+; CHECK: f5:
+; CHECK-NOT: lb %r0, 524288
+; CHECK: br %r14
+  %ptr = inttoptr i64 524288 to i8 *
+  %val = load volatile i8 *%ptr
+  ret void
+}