llvm-svn: 362451
This commit is contained in:
Craig Topper 2019-06-03 22:11:30 +00:00
parent 357e8a390c
commit 27a546610c
1 changed files with 74 additions and 0 deletions

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@ -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
}