1 files changed, 60 insertions, 3 deletions
diff --git a/test/CodeGen/SystemZ/asm-04.ll b/test/CodeGen/SystemZ/asm-04.ll
index b212253dbd9c..eb91bef83769 100644
--- a/test/CodeGen/SystemZ/asm-04.ll
+++ b/test/CodeGen/SystemZ/asm-04.ll
@@ -3,14 +3,71 @@
 ;
 ; RUN: llc < %s -mtriple=s390x-linux-gnu -no-integrated-as | FileCheck %s
 
+; Check the lowest range.
 define void @f1(i64 %base) {
 ; CHECK-LABEL: f1:
+; CHECK: blah -524288(%r2)
+; CHECK: br %r14
+  %add = add i64 %base, -524288
+  %addr = inttoptr i64 %add to i64 *
+  call void asm "blah $0", "=*T" (i64 *%addr)
+  ret void
+}
+
+; Check the next lowest byte.
+define void @f2(i64 %base) {
+; CHECK-LABEL: f2:
+; CHECK: agfi %r2, -524289
 ; CHECK: blah 0(%r2)
 ; CHECK: br %r14
-  %addr = inttoptr i64 %base to i64 *
+  %add = add i64 %base, -524289
+  %addr = inttoptr i64 %add to i64 *
   call void asm "blah $0", "=*T" (i64 *%addr)
   ret void
 }
 
-; FIXME: at the moment the precise constraint is not passed down to
-; target code, so we must conservatively treat "T" as "Q".
+; Check the highest range.
+define void @f3(i64 %base) {
+; CHECK-LABEL: f3:
+; CHECK: blah 524287(%r2)
+; CHECK: br %r14
+  %add = add i64 %base, 524287
+  %addr = inttoptr i64 %add to i64 *
+  call void asm "blah $0", "=*T" (i64 *%addr)
+  ret void
+}
+
+; Check the next highest byte.
+define void @f4(i64 %base) {
+; CHECK-LABEL: f4:
+; CHECK: agfi %r2, 524288
+; CHECK: blah 0(%r2)
+; CHECK: br %r14
+  %add = add i64 %base, 524288
+  %addr = inttoptr i64 %add to i64 *
+  call void asm "blah $0", "=*T" (i64 *%addr)
+  ret void
+}
+
+; Check that indices are allowed
+define void @f5(i64 %base, i64 %index) {
+; CHECK-LABEL: f5:
+; CHECK: blah 0(%r3,%r2)
+; CHECK: br %r14
+  %add = add i64 %base, %index
+  %addr = inttoptr i64 %add to i64 *
+  call void asm "blah $0", "=*T" (i64 *%addr)
+  ret void
+}
+
+; Check that indices and displacements are allowed simultaneously
+define void @f6(i64 %base, i64 %index) {
+; CHECK-LABEL: f6:
+; CHECK: blah 524287(%r3,%r2)
+; CHECK: br %r14
+  %add = add i64 %base, 524287
+  %addi = add i64 %add, %index
+  %addr = inttoptr i64 %addi to i64 *
+  call void asm "blah $0", "=*T" (i64 *%addr)
+  ret void
+}