diff options
Diffstat (limited to 'test/CodeGen/SystemZ/rnsbg-01.ll')
-rw-r--r-- | test/CodeGen/SystemZ/rnsbg-01.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/rnsbg-01.ll b/test/CodeGen/SystemZ/rnsbg-01.ll index 666aeb21e8..282810a781 100644 --- a/test/CodeGen/SystemZ/rnsbg-01.ll +++ b/test/CodeGen/SystemZ/rnsbg-01.ll @@ -255,3 +255,14 @@ define i64 @f22(i64 %a, i64 %b) { %and = and i64 %a, %rotlorb ret i64 %and } + +; Check the handling of zext and AND, which isn't suitable for RNSBG. +define i64 @f23(i64 %a, i32 %b) { +; CHECK-LABEL: f23: +; CHECK-NOT: rnsbg +; CHECK: br %r14 + %add = add i32 %b, 1 + %ext = zext i32 %add to i64 + %and = and i64 %a, %ext + ret i64 %and +} |