1 files changed, 32 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/asm-15.ll b/test/CodeGen/SystemZ/asm-15.ll
new file mode 100644
index 0000000000000..4d0e2b4c3be3b
--- /dev/null
+++ b/test/CodeGen/SystemZ/asm-15.ll
@@ -0,0 +1,32 @@
+; Test the "M" constraint (0x7fffffff)
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+; Test 1 below the valid value.
+define i32 @f1() {
+; CHECK: f1:
+; CHECK: iilf [[REG:%r[0-5]]], 2147483646
+; CHECK: blah %r2 [[REG]]
+; CHECK: br %r14
+  %val = call i32 asm "blah $0 $1", "=&r,rM" (i32 2147483646)
+  ret i32 %val
+}
+
+; Test the first valid value.
+define i32 @f2() {
+; CHECK: f2:
+; CHECK: blah %r2 2147483647
+; CHECK: br %r14
+  %val = call i32 asm "blah $0 $1", "=&r,rM" (i32 2147483647)
+  ret i32 %val
+}
+
+; Test 1 above the valid value.
+define i32 @f3() {
+; CHECK: f3:
+; CHECK: llilh [[REG:%r[0-5]]], 32768
+; CHECK: blah %r2 [[REG]]
+; CHECK: br %r14
+  %val = call i32 asm "blah $0 $1", "=&r,rM" (i32 2147483648)
+  ret i32 %val
+}