diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/align-down.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/align-down.ll | 42 |
1 files changed, 27 insertions, 15 deletions
diff --git a/llvm/test/CodeGen/X86/align-down.ll b/llvm/test/CodeGen/X86/align-down.ll index 5ecdd133a2a..e14d3122161 100644 --- a/llvm/test/CodeGen/X86/align-down.ll +++ b/llvm/test/CodeGen/X86/align-down.ll @@ -214,22 +214,34 @@ define i32 @n7_different_ptrs_commutative(i32 %ptr0, i32 %ptr1, i32 %alignment) } define i32 @n8_not_lowbit_mask(i32 %ptr, i32 %alignment) nounwind { -; X86-LABEL: n8_not_lowbit_mask: -; X86: # %bb.0: -; X86-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx -; X86-NEXT: incl %ecx -; X86-NEXT: andl %eax, %ecx -; X86-NEXT: subl %ecx, %eax -; X86-NEXT: retl +; NOBMI-X86-LABEL: n8_not_lowbit_mask: +; NOBMI-X86: # %bb.0: +; NOBMI-X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; NOBMI-X86-NEXT: incl %eax +; NOBMI-X86-NEXT: notl %eax +; NOBMI-X86-NEXT: andl {{[0-9]+}}(%esp), %eax +; NOBMI-X86-NEXT: retl ; -; X64-LABEL: n8_not_lowbit_mask: -; X64: # %bb.0: -; X64-NEXT: movl %edi, %eax -; X64-NEXT: incl %esi -; X64-NEXT: andl %edi, %esi -; X64-NEXT: subl %esi, %eax -; X64-NEXT: retq +; BMI-X86-LABEL: n8_not_lowbit_mask: +; BMI-X86: # %bb.0: +; BMI-X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; BMI-X86-NEXT: incl %eax +; BMI-X86-NEXT: andnl {{[0-9]+}}(%esp), %eax, %eax +; BMI-X86-NEXT: retl +; +; NOBMI-X64-LABEL: n8_not_lowbit_mask: +; NOBMI-X64: # %bb.0: +; NOBMI-X64-NEXT: movl %esi, %eax +; NOBMI-X64-NEXT: incl %eax +; NOBMI-X64-NEXT: notl %eax +; NOBMI-X64-NEXT: andl %edi, %eax +; NOBMI-X64-NEXT: retq +; +; BMI-X64-LABEL: n8_not_lowbit_mask: +; BMI-X64: # %bb.0: +; BMI-X64-NEXT: incl %esi +; BMI-X64-NEXT: andnl %edi, %esi, %eax +; BMI-X64-NEXT: retq %mask = add i32 %alignment, 1 ; not -1 %bias = and i32 %ptr, %mask %r = sub i32 %ptr, %bias |
