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[X86] Add optsize SHLD/SHRD tests 

llvm-svn: 349284
This commit is contained in:
Simon Pilgrim 2018-12-15 19:32:26 +00:00
parent a82810c56b
commit 53c8b1b6f7
2 changed files with 131 additions and 41 deletions
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89
llvm/test/CodeGen/X86/fshl.ll
View File

@ -178,6 +178,51 @@ define i32 @var_shift_i32(i32 %x, i32 %y, i32 %z) nounwind {
ret i32 %tmp
}
define i32 @var_shift_i32_optsize(i32 %x, i32 %y, i32 %z) nounwind optsize {
; X86-FAST-LABEL: var_shift_i32_optsize:
; X86-FAST: # %bb.0:
; X86-FAST-NEXT: movb {{[0-9]+}}(%esp), %cl
; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %edx
; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-FAST-NEXT: shldl %cl, %edx, %eax
; X86-FAST-NEXT: retl
;
; X86-SLOW-LABEL: var_shift_i32_optsize:
; X86-SLOW: # %bb.0:
; X86-SLOW-NEXT: pushl %esi
; X86-SLOW-NEXT: movb {{[0-9]+}}(%esp), %cl
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %esi
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-SLOW-NEXT: movl %eax, %edx
; X86-SLOW-NEXT: shldl %cl, %esi, %edx
; X86-SLOW-NEXT: andb $31, %cl
; X86-SLOW-NEXT: je .LBB3_2
; X86-SLOW-NEXT: # %bb.1:
; X86-SLOW-NEXT: movl %edx, %eax
; X86-SLOW-NEXT: .LBB3_2:
; X86-SLOW-NEXT: popl %esi
; X86-SLOW-NEXT: retl
;
; X64-FAST-LABEL: var_shift_i32_optsize:
; X64-FAST: # %bb.0:
; X64-FAST-NEXT: movl %edx, %ecx
; X64-FAST-NEXT: movl %edi, %eax
; X64-FAST-NEXT: # kill: def $cl killed $cl killed $ecx
; X64-FAST-NEXT: shldl %cl, %esi, %eax
; X64-FAST-NEXT: retq
;
; X64-SLOW-LABEL: var_shift_i32_optsize:
; X64-SLOW: # %bb.0:
; X64-SLOW-NEXT: movl %edx, %ecx
; X64-SLOW-NEXT: movl %edi, %eax
; X64-SLOW-NEXT: shldl %cl, %esi, %eax
; X64-SLOW-NEXT: andb $31, %cl
; X64-SLOW-NEXT: cmovel %edi, %eax
; X64-SLOW-NEXT: retq
%tmp = tail call i32 @llvm.fshl.i32(i32 %x, i32 %y, i32 %z)
ret i32 %tmp
}
define i64 @var_shift_i64(i64 %x, i64 %y, i64 %z) nounwind {
; X86-FAST-LABEL: var_shift_i64:
; X86-FAST: # %bb.0:
@ -198,36 +243,36 @@ define i64 @var_shift_i64(i64 %x, i64 %y, i64 %z) nounwind {
; X86-FAST-NEXT: shll %cl, %edi
; X86-FAST-NEXT: shldl %cl, %eax, %ebp
; X86-FAST-NEXT: testb $32, %bl
; X86-FAST-NEXT: je .LBB3_2
; X86-FAST-NEXT: je .LBB4_2
; X86-FAST-NEXT: # %bb.1:
; X86-FAST-NEXT: movl %edi, %ebp
; X86-FAST-NEXT: xorl %edi, %edi
; X86-FAST-NEXT: .LBB3_2:
; X86-FAST-NEXT: .LBB4_2:
; X86-FAST-NEXT: movb $64, %cl
; X86-FAST-NEXT: subb %bl, %cl
; X86-FAST-NEXT: movl %edx, %esi
; X86-FAST-NEXT: shrl %cl, %esi
; X86-FAST-NEXT: shrdl %cl, %edx, (%esp) # 4-byte Folded Spill
; X86-FAST-NEXT: testb $32, %cl
; X86-FAST-NEXT: jne .LBB3_3
; X86-FAST-NEXT: jne .LBB4_3
; X86-FAST-NEXT: # %bb.4:
; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %edx
; X86-FAST-NEXT: movl (%esp), %ecx # 4-byte Reload
; X86-FAST-NEXT: testl %ebx, %ebx
; X86-FAST-NEXT: jne .LBB3_6
; X86-FAST-NEXT: jmp .LBB3_7
; X86-FAST-NEXT: .LBB3_3:
; X86-FAST-NEXT: jne .LBB4_6
; X86-FAST-NEXT: jmp .LBB4_7
; X86-FAST-NEXT: .LBB4_3:
; X86-FAST-NEXT: movl %esi, %ecx
; X86-FAST-NEXT: xorl %esi, %esi
; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %edx
; X86-FAST-NEXT: testl %ebx, %ebx
; X86-FAST-NEXT: je .LBB3_7
; X86-FAST-NEXT: .LBB3_6:
; X86-FAST-NEXT: je .LBB4_7
; X86-FAST-NEXT: .LBB4_6:
; X86-FAST-NEXT: orl %esi, %ebp
; X86-FAST-NEXT: orl %ecx, %edi
; X86-FAST-NEXT: movl %edi, %eax
; X86-FAST-NEXT: movl %ebp, %edx
; X86-FAST-NEXT: .LBB3_7:
; X86-FAST-NEXT: .LBB4_7:
; X86-FAST-NEXT: addl $4, %esp
; X86-FAST-NEXT: popl %esi
; X86-FAST-NEXT: popl %edi
@ -261,11 +306,11 @@ define i64 @var_shift_i64(i64 %x, i64 %y, i64 %z) nounwind {
; X86-SLOW-NEXT: testb %dl, %dl
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-SLOW-NEXT: movl %ecx, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
; X86-SLOW-NEXT: je .LBB3_2
; X86-SLOW-NEXT: je .LBB4_2
; X86-SLOW-NEXT: # %bb.1:
; X86-SLOW-NEXT: orl %eax, %ebp
; X86-SLOW-NEXT: movl %ebp, (%esp) # 4-byte Spill
; X86-SLOW-NEXT: .LBB3_2:
; X86-SLOW-NEXT: .LBB4_2:
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ebp
; X86-SLOW-NEXT: movl %ebp, %eax
; X86-SLOW-NEXT: movl %ebx, %ecx
@ -276,41 +321,41 @@ define i64 @var_shift_i64(i64 %x, i64 %y, i64 %z) nounwind {
; X86-SLOW-NEXT: negb %cl
; X86-SLOW-NEXT: shrl %cl, %edi
; X86-SLOW-NEXT: testb %ch, %ch
; X86-SLOW-NEXT: je .LBB3_4
; X86-SLOW-NEXT: je .LBB4_4
; X86-SLOW-NEXT: # %bb.3:
; X86-SLOW-NEXT: orl %edi, %eax
; X86-SLOW-NEXT: movl %eax, %ebp
; X86-SLOW-NEXT: .LBB3_4:
; X86-SLOW-NEXT: .LBB4_4:
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-SLOW-NEXT: movl %eax, %edi
; X86-SLOW-NEXT: movl %ebx, %ecx
; X86-SLOW-NEXT: shll %cl, %edi
; X86-SLOW-NEXT: testb $32, %bl
; X86-SLOW-NEXT: je .LBB3_6
; X86-SLOW-NEXT: je .LBB4_6
; X86-SLOW-NEXT: # %bb.5:
; X86-SLOW-NEXT: movl %edi, %ebp
; X86-SLOW-NEXT: xorl %edi, %edi
; X86-SLOW-NEXT: .LBB3_6:
; X86-SLOW-NEXT: .LBB4_6:
; X86-SLOW-NEXT: movb %dh, %cl
; X86-SLOW-NEXT: shrl %cl, %esi
; X86-SLOW-NEXT: testb $32, %dh
; X86-SLOW-NEXT: jne .LBB3_7
; X86-SLOW-NEXT: jne .LBB4_7
; X86-SLOW-NEXT: # %bb.8:
; X86-SLOW-NEXT: movl (%esp), %ecx # 4-byte Reload
; X86-SLOW-NEXT: testl %ebx, %ebx
; X86-SLOW-NEXT: jne .LBB3_10
; X86-SLOW-NEXT: jmp .LBB3_11
; X86-SLOW-NEXT: .LBB3_7:
; X86-SLOW-NEXT: jne .LBB4_10
; X86-SLOW-NEXT: jmp .LBB4_11
; X86-SLOW-NEXT: .LBB4_7:
; X86-SLOW-NEXT: movl %esi, %ecx
; X86-SLOW-NEXT: xorl %esi, %esi
; X86-SLOW-NEXT: testl %ebx, %ebx
; X86-SLOW-NEXT: je .LBB3_11
; X86-SLOW-NEXT: .LBB3_10:
; X86-SLOW-NEXT: je .LBB4_11
; X86-SLOW-NEXT: .LBB4_10:
; X86-SLOW-NEXT: orl %esi, %ebp
; X86-SLOW-NEXT: orl %ecx, %edi
; X86-SLOW-NEXT: movl %ebp, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
; X86-SLOW-NEXT: movl %edi, %eax
; X86-SLOW-NEXT: .LBB3_11:
; X86-SLOW-NEXT: .LBB4_11:
; X86-SLOW-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %edx # 4-byte Reload
; X86-SLOW-NEXT: addl $8, %esp
; X86-SLOW-NEXT: popl %esi

83
llvm/test/CodeGen/X86/fshr.ll
View File

@ -177,6 +177,51 @@ define i32 @var_shift_i32(i32 %x, i32 %y, i32 %z) nounwind {
ret i32 %tmp
}
define i32 @var_shift_i32_optsize(i32 %x, i32 %y, i32 %z) nounwind optsize {
; X86-FAST-LABEL: var_shift_i32_optsize:
; X86-FAST: # %bb.0:
; X86-FAST-NEXT: movb {{[0-9]+}}(%esp), %cl
; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %edx
; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-FAST-NEXT: shrdl %cl, %edx, %eax
; X86-FAST-NEXT: retl
;
; X86-SLOW-LABEL: var_shift_i32_optsize:
; X86-SLOW: # %bb.0:
; X86-SLOW-NEXT: pushl %esi
; X86-SLOW-NEXT: movb {{[0-9]+}}(%esp), %cl
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %esi
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-SLOW-NEXT: movl %eax, %edx
; X86-SLOW-NEXT: shrdl %cl, %esi, %edx
; X86-SLOW-NEXT: andb $31, %cl
; X86-SLOW-NEXT: je .LBB3_2
; X86-SLOW-NEXT: # %bb.1:
; X86-SLOW-NEXT: movl %edx, %eax
; X86-SLOW-NEXT: .LBB3_2:
; X86-SLOW-NEXT: popl %esi
; X86-SLOW-NEXT: retl
;
; X64-FAST-LABEL: var_shift_i32_optsize:
; X64-FAST: # %bb.0:
; X64-FAST-NEXT: movl %edx, %ecx
; X64-FAST-NEXT: movl %esi, %eax
; X64-FAST-NEXT: # kill: def $cl killed $cl killed $ecx
; X64-FAST-NEXT: shrdl %cl, %edi, %eax
; X64-FAST-NEXT: retq
;
; X64-SLOW-LABEL: var_shift_i32_optsize:
; X64-SLOW: # %bb.0:
; X64-SLOW-NEXT: movl %edx, %ecx
; X64-SLOW-NEXT: movl %esi, %eax
; X64-SLOW-NEXT: shrdl %cl, %edi, %eax
; X64-SLOW-NEXT: andb $31, %cl
; X64-SLOW-NEXT: cmovel %esi, %eax
; X64-SLOW-NEXT: retq
%tmp = tail call i32 @llvm.fshr.i32(i32 %x, i32 %y, i32 %z)
ret i32 %tmp
}
define i64 @var_shift_i64(i64 %x, i64 %y, i64 %z) nounwind {
; X86-FAST-LABEL: var_shift_i64:
; X86-FAST: # %bb.0:
@ -198,30 +243,30 @@ define i64 @var_shift_i64(i64 %x, i64 %y, i64 %z) nounwind {
; X86-FAST-NEXT: shll %cl, %edi
; X86-FAST-NEXT: shldl %cl, %eax, %esi
; X86-FAST-NEXT: testb $32, %cl
; X86-FAST-NEXT: je .LBB3_2
; X86-FAST-NEXT: je .LBB4_2
; X86-FAST-NEXT: # %bb.1:
; X86-FAST-NEXT: movl %edi, %esi
; X86-FAST-NEXT: xorl %edi, %edi
; X86-FAST-NEXT: .LBB3_2:
; X86-FAST-NEXT: .LBB4_2:
; X86-FAST-NEXT: movl %edx, %ebp
; X86-FAST-NEXT: movl %ebx, %ecx
; X86-FAST-NEXT: shrl %cl, %ebp
; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-FAST-NEXT: shrdl %cl, %edx, %eax
; X86-FAST-NEXT: testb $32, %bl
; X86-FAST-NEXT: je .LBB3_4
; X86-FAST-NEXT: je .LBB4_4
; X86-FAST-NEXT: # %bb.3:
; X86-FAST-NEXT: movl %ebp, %eax
; X86-FAST-NEXT: xorl %ebp, %ebp
; X86-FAST-NEXT: .LBB3_4:
; X86-FAST-NEXT: .LBB4_4:
; X86-FAST-NEXT: testl %ebx, %ebx
; X86-FAST-NEXT: je .LBB3_6
; X86-FAST-NEXT: je .LBB4_6
; X86-FAST-NEXT: # %bb.5:
; X86-FAST-NEXT: orl %ebp, %esi
; X86-FAST-NEXT: orl %eax, %edi
; X86-FAST-NEXT: movl %edi, (%esp) # 4-byte Spill
; X86-FAST-NEXT: movl %esi, %edx
; X86-FAST-NEXT: .LBB3_6:
; X86-FAST-NEXT: .LBB4_6:
; X86-FAST-NEXT: movl (%esp), %eax # 4-byte Reload
; X86-FAST-NEXT: addl $4, %esp
; X86-FAST-NEXT: popl %esi
@ -256,11 +301,11 @@ define i64 @var_shift_i64(i64 %x, i64 %y, i64 %z) nounwind {
; X86-SLOW-NEXT: shrl %cl, %edi
; X86-SLOW-NEXT: testb %ch, %ch
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ebp
; X86-SLOW-NEXT: je .LBB3_2
; X86-SLOW-NEXT: je .LBB4_2
; X86-SLOW-NEXT: # %bb.1:
; X86-SLOW-NEXT: orl %edi, %edx
; X86-SLOW-NEXT: movl %edx, (%esp) # 4-byte Spill
; X86-SLOW-NEXT: .LBB3_2:
; X86-SLOW-NEXT: .LBB4_2:
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-SLOW-NEXT: movl %ecx, %edx
; X86-SLOW-NEXT: movl %ebx, %ecx
@ -273,41 +318,41 @@ define i64 @var_shift_i64(i64 %x, i64 %y, i64 %z) nounwind {
; X86-SLOW-NEXT: shll %cl, %edi
; X86-SLOW-NEXT: testb %ah, %ah
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ebp
; X86-SLOW-NEXT: je .LBB3_4
; X86-SLOW-NEXT: je .LBB4_4
; X86-SLOW-NEXT: # %bb.3:
; X86-SLOW-NEXT: orl %edx, %edi
; X86-SLOW-NEXT: movl %edi, %ebp
; X86-SLOW-NEXT: .LBB3_4:
; X86-SLOW-NEXT: .LBB4_4:
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %edi
; X86-SLOW-NEXT: movl %ebx, %ecx
; X86-SLOW-NEXT: shrl %cl, %edi
; X86-SLOW-NEXT: testb $32, %bl
; X86-SLOW-NEXT: je .LBB3_6
; X86-SLOW-NEXT: je .LBB4_6
; X86-SLOW-NEXT: # %bb.5:
; X86-SLOW-NEXT: movl %edi, %ebp
; X86-SLOW-NEXT: xorl %edi, %edi
; X86-SLOW-NEXT: .LBB3_6:
; X86-SLOW-NEXT: .LBB4_6:
; X86-SLOW-NEXT: movl %eax, %ecx
; X86-SLOW-NEXT: shll %cl, %esi
; X86-SLOW-NEXT: testb $32, %al
; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %edx
; X86-SLOW-NEXT: jne .LBB3_7
; X86-SLOW-NEXT: jne .LBB4_7
; X86-SLOW-NEXT: # %bb.8:
; X86-SLOW-NEXT: movl (%esp), %eax # 4-byte Reload
; X86-SLOW-NEXT: testl %ebx, %ebx
; X86-SLOW-NEXT: jne .LBB3_10
; X86-SLOW-NEXT: jmp .LBB3_11
; X86-SLOW-NEXT: .LBB3_7:
; X86-SLOW-NEXT: jne .LBB4_10
; X86-SLOW-NEXT: jmp .LBB4_11
; X86-SLOW-NEXT: .LBB4_7:
; X86-SLOW-NEXT: movl %esi, %eax
; X86-SLOW-NEXT: xorl %esi, %esi
; X86-SLOW-NEXT: testl %ebx, %ebx
; X86-SLOW-NEXT: je .LBB3_11
; X86-SLOW-NEXT: .LBB3_10:
; X86-SLOW-NEXT: je .LBB4_11
; X86-SLOW-NEXT: .LBB4_10:
; X86-SLOW-NEXT: orl %ebp, %esi
; X86-SLOW-NEXT: orl %edi, %eax
; X86-SLOW-NEXT: movl %esi, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
; X86-SLOW-NEXT: movl %eax, %edx
; X86-SLOW-NEXT: .LBB3_11:
; X86-SLOW-NEXT: .LBB4_11:
; X86-SLOW-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %eax # 4-byte Reload
; X86-SLOW-NEXT: addl $8, %esp
; X86-SLOW-NEXT: popl %esi