[llvm] r362451 - foo

[Aaron Ballman via llvm-commits]

Did you intend to commit this? (It looks reasonable, but the commit message
gave me pause).

~Aaron

On Tue, Jun 4, 2019, 12:08 AM Craig Topper via llvm-commits <
llvm-commits at lists.llvm.org> wrote:

> Author: ctopper
> Date: Mon Jun  3 15:11:30 2019
> New Revision: 362451
>
> URL: http://llvm.org/viewvc/llvm-project?rev=362451&view=rev
> Log:
> foo
>
> Modified:
>     llvm/trunk/test/CodeGen/X86/bmi.ll
>
> Modified: llvm/trunk/test/CodeGen/X86/bmi.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/bmi.ll?rev=362451&r1=362450&r2=362451&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/CodeGen/X86/bmi.ll (original)
> +++ llvm/trunk/test/CodeGen/X86/bmi.ll Mon Jun  3 15:11:30 2019
> @@ -1149,3 +1149,77 @@ define i64 @blsr64_branch(i64 %x) {
>  }
>
>  declare void @bar()
> +
> +define void @pr42118_i32(i32 %x) {
> +; X86-LABEL: pr42118_i32:
> +; X86:       # %bb.0:
> +; X86-NEXT:    blsrl {{[0-9]+}}(%esp), %eax
> +; X86-NEXT:    jne .LBB48_1
> +; X86-NEXT:  # %bb.2:
> +; X86-NEXT:    jmp bar # TAILCALL
> +; X86-NEXT:  .LBB48_1:
> +; X86-NEXT:    retl
> +;
> +; X64-LABEL: pr42118_i32:
> +; X64:       # %bb.0:
> +; X64-NEXT:    blsrl %edi, %eax
> +; X64-NEXT:    jne .LBB48_1
> +; X64-NEXT:  # %bb.2:
> +; X64-NEXT:    jmp bar # TAILCALL
> +; X64-NEXT:  .LBB48_1:
> +; X64-NEXT:    retq
> +  %tmp = sub i32 0, %x
> +  %tmp1 = and i32 %tmp, %x
> +  %cmp = icmp eq i32 %tmp1, %x
> +  br i1 %cmp, label %1, label %2
> +
> +  tail call void @bar()
> +  br label %2
> +
> +  ret void
> +}
> +
> +define void @pr42118_i64(i64 %x) {
> +; X86-LABEL: pr42118_i64:
> +; X86:       # %bb.0:
> +; X86-NEXT:    pushl %esi
> +; X86-NEXT:    .cfi_def_cfa_offset 8
> +; X86-NEXT:    .cfi_offset %esi, -8
> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
> +; X86-NEXT:    movl %eax, %edx
> +; X86-NEXT:    addl $-1, %edx
> +; X86-NEXT:    movl %ecx, %esi
> +; X86-NEXT:    adcl $-1, %esi
> +; X86-NEXT:    andl %eax, %edx
> +; X86-NEXT:    andl %ecx, %esi
> +; X86-NEXT:    orl %edx, %esi
> +; X86-NEXT:    jne .LBB49_1
> +; X86-NEXT:  # %bb.2:
> +; X86-NEXT:    popl %esi
> +; X86-NEXT:    .cfi_def_cfa_offset 4
> +; X86-NEXT:    jmp bar # TAILCALL
> +; X86-NEXT:  .LBB49_1:
> +; X86-NEXT:    .cfi_def_cfa_offset 8
> +; X86-NEXT:    popl %esi
> +; X86-NEXT:    .cfi_def_cfa_offset 4
> +; X86-NEXT:    retl
> +;
> +; X64-LABEL: pr42118_i64:
> +; X64:       # %bb.0:
> +; X64-NEXT:    blsrq %rdi, %rax
> +; X64-NEXT:    jne .LBB49_1
> +; X64-NEXT:  # %bb.2:
> +; X64-NEXT:    jmp bar # TAILCALL
> +; X64-NEXT:  .LBB49_1:
> +; X64-NEXT:    retq
> +  %tmp = sub i64 0, %x
> +  %tmp1 = and i64 %tmp, %x
> +  %cmp = icmp eq i64 %tmp1, %x
> +  br i1 %cmp, label %1, label %2
> +
> +  tail call void @bar()
> +  br label %2
> +
> +  ret void
> +}
>
>
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