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diff test/CodeGen/SystemZ/asm-04.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children 60c9769439b8
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/SystemZ/asm-04.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,16 @@
+; Test the "T" asm constraint, which accepts addresses that have a base,
+; an index and a 20-bit displacement.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+define void @f1(i64 %base) {
+; CHECK-LABEL: f1:
+; CHECK: blah 0(%r2)
+; CHECK: br %r14
+  %addr = inttoptr i64 %base 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".