1 files changed, 83 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/asm-09.ll b/test/CodeGen/SystemZ/asm-09.ll
new file mode 100644
index 0000000..1541170
--- /dev/null
+++ b/test/CodeGen/SystemZ/asm-09.ll
@@ -0,0 +1,83 @@
+; Test matching operands with the GPR constraint "r".
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+define void @f1(i32 *%dst) {
+; CHECK: f1:
+; CHECK: lhi %r0, 100
+; CHECK: blah %r0
+; CHECK: st %r0, 0(%r2)
+; CHECK: br %r14
+  %val = call i32 asm "blah $0", "=r,0" (i8 100)
+  store i32 %val, i32 *%dst
+  ret void
+}
+
+define void @f2(i32 *%dst) {
+; CHECK: f2:
+; CHECK: lhi %r0, 101
+; CHECK: blah %r0
+; CHECK: st %r0, 0(%r2)
+; CHECK: br %r14
+  %val = call i32 asm "blah $0", "=r,0" (i16 101)
+  store i32 %val, i32 *%dst
+  ret void
+}
+
+define void @f3(i32 *%dst) {
+; CHECK: f3:
+; CHECK: lhi %r0, 102
+; CHECK: blah %r0
+; CHECK: st %r0, 0(%r2)
+; CHECK: br %r14
+  %val = call i32 asm "blah $0", "=r,0" (i32 102)
+  store i32 %val, i32 *%dst
+  ret void
+}
+
+; FIXME: this uses "lhi %r0, 103", but should use "lghi %r0, 103".
+define void @f4(i32 *%dst) {
+; CHECK: f4:
+; CHECK: blah %r0
+; CHECK: st %r0, 0(%r2)
+; CHECK: br %r14
+  %val = call i32 asm "blah $0", "=r,0" (i64 103)
+  store i32 %val, i32 *%dst
+  ret void
+}
+
+define i64 @f5() {
+; CHECK: f5:
+; CHECK: lghi %r2, 104
+; CHECK: blah %r2
+; CHECK: br %r14
+  %val = call i64 asm "blah $0", "=r,0" (i8 104)
+  ret i64 %val
+}
+
+define i64 @f6() {
+; CHECK: f6:
+; CHECK: lghi %r2, 105
+; CHECK: blah %r2
+; CHECK: br %r14
+  %val = call i64 asm "blah $0", "=r,0" (i16 105)
+  ret i64 %val
+}
+
+define i64 @f7() {
+; CHECK: f7:
+; CHECK: lghi %r2, 106
+; CHECK: blah %r2
+; CHECK: br %r14
+  %val = call i64 asm "blah $0", "=r,0" (i32 106)
+  ret i64 %val
+}
+
+define i64 @f8() {
+; CHECK: f8:
+; CHECK: lghi %r2, 107
+; CHECK: blah %r2
+; CHECK: br %r14
+  %val = call i64 asm "blah $0", "=r,0" (i64 107)
+  ret i64 %val
+}