diff options
Diffstat (limited to 'test/CodeGen/X86/bmi.ll')
| -rw-r--r-- | test/CodeGen/X86/bmi.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/X86/bmi.ll b/test/CodeGen/X86/bmi.ll index 242075a..a707209 100644 --- a/test/CodeGen/X86/bmi.ll +++ b/test/CodeGen/X86/bmi.ll @@ -216,6 +216,23 @@ entry: ; CHECK: bzhiq } +define i64 @bzhi64_constant_mask(i64 %x) #0 { +entry: + %and = and i64 %x, 4611686018427387903 + ret i64 %and +; CHECK-LABEL: bzhi64_constant_mask: +; CHECK: movb $62, %al +; CHECK: bzhiq %rax, %r[[ARG1:di|cx]], %rax +} + +define i64 @bzhi64_small_constant_mask(i64 %x) #0 { +entry: + %and = and i64 %x, 2147483647 + ret i64 %and +; CHECK-LABEL: bzhi64_small_constant_mask: +; CHECK: andq $2147483647, %r[[ARG1]] +} + define i32 @blsi32(i32 %x) nounwind readnone { %tmp = sub i32 0, %x %tmp2 = and i32 %x, %tmp |