diff options
Diffstat (limited to 'llvm/test/CodeGen/SystemZ/not-01.ll')
| -rw-r--r-- | llvm/test/CodeGen/SystemZ/not-01.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/SystemZ/not-01.ll b/llvm/test/CodeGen/SystemZ/not-01.ll index be2a5a88d73..62248d6a1eb 100644 --- a/llvm/test/CodeGen/SystemZ/not-01.ll +++ b/llvm/test/CodeGen/SystemZ/not-01.ll @@ -124,3 +124,29 @@ define i64 @f12(i64 %a) { ret i64 %ret } +; NXOR 32-bit (alternate match). +define i32 @f13(i32 %a) { +; CHECK-LABEL: f13: +; CHECK: lhi [[REG:%r[0-5]]], -256 +; CHECK: nxrk %r2, %r2, [[REG]] +; CHECK: br %r14 + ; Use an opaque const so the pattern doesn't get optimized away early. + %const = bitcast i32 -256 to i32 + %neg = xor i32 %a, -1 + %ret = xor i32 %neg, %const + ret i32 %ret +} + +; NXOR 64-bit (alternate match). +define i64 @f14(i64 %a) { +; CHECK-LABEL: f14: +; CHECK: lghi [[REG:%r[0-5]]], -256 +; CHECK: nxgrk %r2, %r2, [[REG]] +; CHECK: br %r14 + ; Use an opaque const so the pattern doesn't get optimized away early. + %const = bitcast i64 -256 to i64 + %neg = xor i64 %a, -1 + %ret = xor i64 %neg, %const + ret i64 %ret +} + |
