diff options
author | Dimitry Andric <dim@FreeBSD.org> | 2013-06-10 20:36:52 +0000 |
---|---|---|
committer | Dimitry Andric <dim@FreeBSD.org> | 2013-06-10 20:36:52 +0000 |
commit | 59d6cff90eecf31cb3dd860c4e786674cfdd42eb (patch) | |
tree | 909310b2e05119d1d6efda049977042abbb58bb1 /test/CodeGen/SystemZ/asm-02.ll | |
parent | 4a16efa3e43e35f0cc9efe3a67f620f0017c3d36 (diff) | |
download | src-59d6cff90eecf31cb3dd860c4e786674cfdd42eb.tar.gz src-59d6cff90eecf31cb3dd860c4e786674cfdd42eb.zip |
Vendor import of llvm tags/RELEASE_33/final r183502 (effectively, 3.3vendor/llvm/llvm-release_33-r183502
Notes
Notes:
svn path=/vendor/llvm/dist/; revision=251607
svn path=/vendor/llvm/llvm-release_33-r183502/; revision=251608; tag=vendor/llvm/llvm-release_33-r183502
Diffstat (limited to 'test/CodeGen/SystemZ/asm-02.ll')
-rw-r--r-- | test/CodeGen/SystemZ/asm-02.ll | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/asm-02.ll b/test/CodeGen/SystemZ/asm-02.ll new file mode 100644 index 000000000000..12d8bec161ce --- /dev/null +++ b/test/CodeGen/SystemZ/asm-02.ll @@ -0,0 +1,52 @@ +; Test the "R" asm constraint, which accepts addresses that have a base, +; an index and a 12-bit displacement. +; +; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s + +; Check the lowest range. +define void @f1(i64 %base) { +; CHECK: f1: +; CHECK: blah 0(%r2) +; CHECK: br %r14 + %addr = inttoptr i64 %base to i64 * + call void asm "blah $0", "=*R" (i64 *%addr) + ret void +} + +; Check the next lowest byte. +define void @f2(i64 %base) { +; CHECK: f2: +; CHECK: aghi %r2, -1 +; CHECK: blah 0(%r2) +; CHECK: br %r14 + %add = add i64 %base, -1 + %addr = inttoptr i64 %add to i64 * + call void asm "blah $0", "=*R" (i64 *%addr) + ret void +} + +; Check the highest range. +define void @f3(i64 %base) { +; CHECK: f3: +; CHECK: blah 4095(%r2) +; CHECK: br %r14 + %add = add i64 %base, 4095 + %addr = inttoptr i64 %add to i64 * + call void asm "blah $0", "=*R" (i64 *%addr) + ret void +} + +; Check the next highest byte. +define void @f4(i64 %base) { +; CHECK: f4: +; CHECK: aghi %r2, 4096 +; CHECK: blah 0(%r2) +; CHECK: br %r14 + %add = add i64 %base, 4096 + %addr = inttoptr i64 %add to i64 * + call void asm "blah $0", "=*R" (i64 *%addr) + ret void +} + +; FIXME: at the moment the precise constraint is not passed down to +; target code, so we must conservatively treat "R" as "Q". |