Files
clang-p2996/llvm/test/CodeGen/X86/shift-i256.ll

344 lines
12 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-- -O0 | FileCheck %s -check-prefixes=CHECK-X64,CHECK-X64-O0
; RUN: llc < %s -mtriple=x86_64-- -O2 | FileCheck %s -check-prefixes=CHECK-X64,CHECK-X64-O2
; CHECK-LABEL: shift1
define void @shift1(i256 %x, i256 %a, ptr nocapture %r) nounwind readnone {
entry:
%0 = ashr i256 %x, %a
store i256 %0, ptr %r
ret void
}
define i256 @shift2(i256 %c) nounwind
; CHECK-LABEL: shift2:
; CHECK: # %bb.0:
; CHECK-NEXT: pushl %ebp
; CHECK-NEXT: pushl %ebx
; CHECK-NEXT: pushl %edi
; CHECK-NEXT: pushl %esi
; CHECK-NEXT: subl $32, %esp
; CHECK-NEXT: movzbl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movb %al, %ah
; CHECK-NEXT: addb $64, %ah
; CHECK-NEXT: movl $1, %edi
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: movb %ah, %cl
; CHECK-NEXT: shldl %cl, %edi, %edx
; CHECK-NEXT: movl $1, %ebx
; CHECK-NEXT: shll %cl, %ebx
; CHECK-NEXT: testb $32, %ah
; CHECK-NEXT: movl %ebx, %ebp
; CHECK-NEXT: jne .LBB1_2
; CHECK-NEXT: # %bb.1:
; CHECK-NEXT: movl %edx, %ebp
; CHECK-NEXT: .LBB1_2:
; CHECK-NEXT: movl %eax, %edx
; CHECK-NEXT: addb $-128, %dl
; CHECK-NEXT: xorl %esi, %esi
; CHECK-NEXT: movl %edx, %ecx
; CHECK-NEXT: shldl %cl, %edi, %esi
; CHECK-NEXT: movl %esi, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT: movl $1, %esi
; CHECK-NEXT: shll %cl, %esi
; CHECK-NEXT: testb $32, %dl
; CHECK-NEXT: je .LBB1_4
; CHECK-NEXT: # %bb.3:
; CHECK-NEXT: movl %esi, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT: xorl %esi, %esi
; CHECK-NEXT: .LBB1_4:
; CHECK-NEXT: cmpb $64, %dl
; CHECK-NEXT: movl $0, (%esp) # 4-byte Folded Spill
; CHECK-NEXT: jb .LBB1_6
; CHECK-NEXT: # %bb.5:
; CHECK-NEXT: movl %ebp, (%esp) # 4-byte Spill
; CHECK-NEXT: xorl %esi, %esi
; CHECK-NEXT: .LBB1_6:
; CHECK-NEXT: movl %esi, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT: testb $32, %ah
; CHECK-NEXT: movl $0, %ebp
; CHECK-NEXT: jne .LBB1_8
; CHECK-NEXT: # %bb.7:
; CHECK-NEXT: movl %ebx, %ebp
; CHECK-NEXT: .LBB1_8:
; CHECK-NEXT: movb $-64, %cl
; CHECK-NEXT: subb %al, %cl
; CHECK-NEXT: movl $1, %esi
; CHECK-NEXT: xorl %ebx, %ebx
; CHECK-NEXT: shrdl %cl, %ebx, %esi
; CHECK-NEXT: testb $32, %cl
; CHECK-NEXT: movl $0, %ebx
; CHECK-NEXT: jne .LBB1_10
; CHECK-NEXT: # %bb.9:
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: .LBB1_10:
; CHECK-NEXT: cmpb $64, %dl
; CHECK-NEXT: jb .LBB1_12
; CHECK-NEXT: # %bb.11:
; CHECK-NEXT: movl $0, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Folded Spill
; CHECK-NEXT: movl %ebp, %ebx
; CHECK-NEXT: .LBB1_12:
; CHECK-NEXT: xorl %esi, %esi
; CHECK-NEXT: movl %eax, %ecx
; CHECK-NEXT: shldl %cl, %edi, %esi
; CHECK-NEXT: movl $1, %ebp
; CHECK-NEXT: shll %cl, %ebp
; CHECK-NEXT: testb $32, %al
; CHECK-NEXT: je .LBB1_14
; CHECK-NEXT: # %bb.13:
; CHECK-NEXT: movl %ebp, %esi
; CHECK-NEXT: xorl %ebp, %ebp
; CHECK-NEXT: .LBB1_14:
; CHECK-NEXT: movl %ebx, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT: movl %esi, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT: movl %eax, %ecx
; CHECK-NEXT: subb $64, %cl
; CHECK-NEXT: jb .LBB1_16
; CHECK-NEXT: # %bb.15:
; CHECK-NEXT: xorl %ebp, %ebp
; CHECK-NEXT: .LBB1_16:
; CHECK-NEXT: negb %cl
; CHECK-NEXT: movl $1, %esi
; CHECK-NEXT: xorl %ebx, %ebx
; CHECK-NEXT: shrdl %cl, %ebx, %esi
; CHECK-NEXT: testb $32, %cl
; CHECK-NEXT: movl $0, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Folded Spill
; CHECK-NEXT: jne .LBB1_18
; CHECK-NEXT: # %bb.17:
; CHECK-NEXT: movl %esi, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT: .LBB1_18:
; CHECK-NEXT: movl %eax, %ecx
; CHECK-NEXT: addb $-64, %cl
; CHECK-NEXT: xorl %esi, %esi
; CHECK-NEXT: shldl %cl, %edi, %esi
; CHECK-NEXT: movl $1, %ebx
; CHECK-NEXT: shll %cl, %ebx
; CHECK-NEXT: testb $32, %cl
; CHECK-NEXT: je .LBB1_20
; CHECK-NEXT: # %bb.19:
; CHECK-NEXT: movl %ebx, %esi
; CHECK-NEXT: xorl %ebx, %ebx
; CHECK-NEXT: .LBB1_20:
; CHECK-NEXT: cmpb $64, %al
; CHECK-NEXT: movl $0, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Folded Spill
; CHECK-NEXT: jb .LBB1_22
; CHECK-NEXT: # %bb.21:
; CHECK-NEXT: movl $0, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Folded Spill
; CHECK-NEXT: movl %esi, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT: movl %ebx, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT: .LBB1_22:
; CHECK-NEXT: testb %dl, %dl
; CHECK-NEXT: movl $0, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Folded Spill
; CHECK-NEXT: movl $0, %edx
; CHECK-NEXT: je .LBB1_24
; CHECK-NEXT: # %bb.23:
; CHECK-NEXT: movl (%esp), %ecx # 4-byte Reload
; CHECK-NEXT: movl %ecx, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %edx # 4-byte Reload
; CHECK-NEXT: .LBB1_24:
; CHECK-NEXT: movb $-128, %cl
; CHECK-NEXT: subb %al, %cl
; CHECK-NEXT: movl $1, %ebx
; CHECK-NEXT: xorl %esi, %esi
; CHECK-NEXT: shrdl %cl, %esi, %ebx
; CHECK-NEXT: testb $32, %cl
; CHECK-NEXT: movl $0, %esi
; CHECK-NEXT: jne .LBB1_26
; CHECK-NEXT: # %bb.25:
; CHECK-NEXT: movl %ebx, %esi
; CHECK-NEXT: .LBB1_26:
; CHECK-NEXT: cmpb $64, %cl
; CHECK-NEXT: jb .LBB1_28
; CHECK-NEXT: # %bb.27:
; CHECK-NEXT: xorl %esi, %esi
; CHECK-NEXT: .LBB1_28:
; CHECK-NEXT: movl %ebp, (%esp) # 4-byte Spill
; CHECK-NEXT: testb %cl, %cl
; CHECK-NEXT: je .LBB1_30
; CHECK-NEXT: # %bb.29:
; CHECK-NEXT: movl %esi, %edi
; CHECK-NEXT: .LBB1_30:
; CHECK-NEXT: testb %al, %al
; CHECK-NEXT: movl $0, %ebp
; CHECK-NEXT: jne .LBB1_31
; CHECK-NEXT: # %bb.32:
; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %eax # 4-byte Reload
; CHECK-NEXT: js .LBB1_33
; CHECK-NEXT: .LBB1_34:
; CHECK-NEXT: movl $0, %eax
; CHECK-NEXT: jne .LBB1_35
; CHECK-NEXT: .LBB1_36:
; CHECK-NEXT: movl $0, %edi
; CHECK-NEXT: js .LBB1_37
; CHECK-NEXT: jmp .LBB1_39
; CHECK-NEXT: .LBB1_31:
; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %ebp # 4-byte Reload
; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %eax # 4-byte Reload
; CHECK-NEXT: jns .LBB1_34
; CHECK-NEXT: .LBB1_33:
; CHECK-NEXT: movl $0, %ebp
; CHECK-NEXT: movl %eax, %edi
; CHECK-NEXT: movl $0, %eax
; CHECK-NEXT: je .LBB1_36
; CHECK-NEXT: .LBB1_35:
; CHECK-NEXT: movl %edi, %eax
; CHECK-NEXT: movl $0, %edi
; CHECK-NEXT: jns .LBB1_39
; CHECK-NEXT: .LBB1_37:
; CHECK-NEXT: je .LBB1_39
; CHECK-NEXT: # %bb.38:
; CHECK-NEXT: movl %edx, %edi
; CHECK-NEXT: .LBB1_39:
; CHECK-NEXT: movl $0, %edx
; CHECK-NEXT: jns .LBB1_42
; CHECK-NEXT: # %bb.40:
; CHECK-NEXT: je .LBB1_42
; CHECK-NEXT: # %bb.41:
; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %edx # 4-byte Reload
; CHECK-NEXT: .LBB1_42:
; CHECK-NEXT: movl %ebp, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT: movl $0, %ebx
; CHECK-NEXT: je .LBB1_44
; CHECK-NEXT: # %bb.43:
; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %ebx # 4-byte Reload
; CHECK-NEXT: .LBB1_44:
; CHECK-NEXT: movl %eax, %ebp
; CHECK-NEXT: movl $0, %ecx
; CHECK-NEXT: jns .LBB1_46
; CHECK-NEXT: # %bb.45:
; CHECK-NEXT: movl $0, %ebx
; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %ecx # 4-byte Reload
; CHECK-NEXT: .LBB1_46:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movl $0, %esi
; CHECK-NEXT: je .LBB1_48
; CHECK-NEXT: # %bb.47:
; CHECK-NEXT: movl %ecx, %esi
; CHECK-NEXT: .LBB1_48:
; CHECK-NEXT: jns .LBB1_50
; CHECK-NEXT: # %bb.49:
; CHECK-NEXT: movl $0, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Folded Spill
; CHECK-NEXT: movl $0, (%esp) # 4-byte Folded Spill
; CHECK-NEXT: .LBB1_50:
; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %ecx # 4-byte Reload
; CHECK-NEXT: movl %ecx, 4(%eax)
; CHECK-NEXT: movl (%esp), %ecx # 4-byte Reload
; CHECK-NEXT: movl %ecx, (%eax)
; CHECK-NEXT: movl %esi, 20(%eax)
; CHECK-NEXT: movl %ebx, 12(%eax)
; CHECK-NEXT: movl %edx, 28(%eax)
; CHECK-NEXT: movl %edi, 24(%eax)
; CHECK-NEXT: movl %ebp, 16(%eax)
; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %ecx # 4-byte Reload
; CHECK-NEXT: movl %ecx, 8(%eax)
; CHECK-NEXT: addl $32, %esp
; CHECK-NEXT: popl %esi
; CHECK-NEXT: popl %edi
; CHECK-NEXT: popl %ebx
; CHECK-NEXT: popl %ebp
; CHECK-NEXT: retl $4
;
; CHECK-X64-O0-LABEL: shift2:
; CHECK-X64-O0: # %bb.0:
; CHECK-X64-O0-NEXT: pushq %r14
; CHECK-X64-O0-NEXT: pushq %rbx
; CHECK-X64-O0-NEXT: movq %rdi, %rax
; CHECK-X64-O0-NEXT: movb %sil, %r11b
; CHECK-X64-O0-NEXT: movb $-128, %cl
; CHECK-X64-O0-NEXT: subb %r11b, %cl
; CHECK-X64-O0-NEXT: movb %cl, {{[-0-9]+}}(%r{{[sb]}}p) # 1-byte Spill
; CHECK-X64-O0-NEXT: xorl %edx, %edx
; CHECK-X64-O0-NEXT: movl %edx, %esi
; CHECK-X64-O0-NEXT: movl $1, %r14d
; CHECK-X64-O0-NEXT: movq %r14, %r8
; CHECK-X64-O0-NEXT: shrdq %cl, %rsi, %r8
; CHECK-X64-O0-NEXT: movb {{[-0-9]+}}(%r{{[sb]}}p), %cl # 1-byte Reload
; CHECK-X64-O0-NEXT: testb $64, %cl
; CHECK-X64-O0-NEXT: cmovneq %rsi, %r8
; CHECK-X64-O0-NEXT: movb %r11b, %bl
; CHECK-X64-O0-NEXT: addb $-128, %bl
; CHECK-X64-O0-NEXT: movb %bl, %cl
; CHECK-X64-O0-NEXT: movq %rsi, %rdx
; CHECK-X64-O0-NEXT: shldq %cl, %r14, %rdx
; CHECK-X64-O0-NEXT: movb %r11b, %cl
; CHECK-X64-O0-NEXT: movq %rsi, %r10
; CHECK-X64-O0-NEXT: shldq %cl, %r14, %r10
; CHECK-X64-O0-NEXT: movb %r11b, %cl
; CHECK-X64-O0-NEXT: movq %r14, %r9
; CHECK-X64-O0-NEXT: shlq %cl, %r9
; CHECK-X64-O0-NEXT: testb $64, %r11b
; CHECK-X64-O0-NEXT: cmovneq %r9, %r10
; CHECK-X64-O0-NEXT: cmovneq %rsi, %r9
; CHECK-X64-O0-NEXT: movb %bl, %cl
; CHECK-X64-O0-NEXT: shlq %cl, %r14
; CHECK-X64-O0-NEXT: movq %r14, %rcx
; CHECK-X64-O0-NEXT: testb $64, %bl
; CHECK-X64-O0-NEXT: cmovneq %rcx, %rdx
; CHECK-X64-O0-NEXT: cmovneq %rsi, %rcx
; CHECK-X64-O0-NEXT: testb %r11b, %r11b
; CHECK-X64-O0-NEXT: cmovnsq %r8, %rcx
; CHECK-X64-O0-NEXT: cmoveq %rsi, %rcx
; CHECK-X64-O0-NEXT: cmovnsq %rsi, %rdx
; CHECK-X64-O0-NEXT: cmoveq %rsi, %rdx
; CHECK-X64-O0-NEXT: movq %rsi, %r8
; CHECK-X64-O0-NEXT: cmovnsq %r10, %r8
; CHECK-X64-O0-NEXT: cmovnsq %r9, %rsi
; CHECK-X64-O0-NEXT: movq %r8, 8(%rdi)
; CHECK-X64-O0-NEXT: movq %rsi, (%rdi)
; CHECK-X64-O0-NEXT: movq %rdx, 24(%rdi)
; CHECK-X64-O0-NEXT: movq %rcx, 16(%rdi)
; CHECK-X64-O0-NEXT: popq %rbx
; CHECK-X64-O0-NEXT: popq %r14
; CHECK-X64-O0-NEXT: retq
;
; CHECK-X64-O2-LABEL: shift2:
; CHECK-X64-O2: # %bb.0:
; CHECK-X64-O2-NEXT: pushq %rbx
; CHECK-X64-O2-NEXT: movq %rdi, %rax
; CHECK-X64-O2-NEXT: movb $-128, %cl
; CHECK-X64-O2-NEXT: subb %sil, %cl
; CHECK-X64-O2-NEXT: xorl %r8d, %r8d
; CHECK-X64-O2-NEXT: movl $1, %edi
; CHECK-X64-O2-NEXT: movl $1, %r10d
; CHECK-X64-O2-NEXT: shrdq %cl, %r8, %r10
; CHECK-X64-O2-NEXT: testb $64, %cl
; CHECK-X64-O2-NEXT: cmovneq %r8, %r10
; CHECK-X64-O2-NEXT: leal -128(%rsi), %edx
; CHECK-X64-O2-NEXT: xorl %r9d, %r9d
; CHECK-X64-O2-NEXT: movl %edx, %ecx
; CHECK-X64-O2-NEXT: shldq %cl, %rdi, %r9
; CHECK-X64-O2-NEXT: xorl %r11d, %r11d
; CHECK-X64-O2-NEXT: movl %esi, %ecx
; CHECK-X64-O2-NEXT: shldq %cl, %rdi, %r11
; CHECK-X64-O2-NEXT: movl $1, %ebx
; CHECK-X64-O2-NEXT: shlq %cl, %rbx
; CHECK-X64-O2-NEXT: testb $64, %sil
; CHECK-X64-O2-NEXT: cmovneq %rbx, %r11
; CHECK-X64-O2-NEXT: cmovneq %r8, %rbx
; CHECK-X64-O2-NEXT: movl %edx, %ecx
; CHECK-X64-O2-NEXT: shlq %cl, %rdi
; CHECK-X64-O2-NEXT: testb $64, %dl
; CHECK-X64-O2-NEXT: cmovneq %rdi, %r9
; CHECK-X64-O2-NEXT: cmovneq %r8, %rdi
; CHECK-X64-O2-NEXT: testb %sil, %sil
; CHECK-X64-O2-NEXT: cmovnsq %r10, %rdi
; CHECK-X64-O2-NEXT: cmoveq %r8, %rdi
; CHECK-X64-O2-NEXT: cmovnsq %r8, %r9
; CHECK-X64-O2-NEXT: cmoveq %r8, %r9
; CHECK-X64-O2-NEXT: cmovsq %r8, %r11
; CHECK-X64-O2-NEXT: cmovsq %r8, %rbx
; CHECK-X64-O2-NEXT: movq %r11, 8(%rax)
; CHECK-X64-O2-NEXT: movq %rbx, (%rax)
; CHECK-X64-O2-NEXT: movq %r9, 24(%rax)
; CHECK-X64-O2-NEXT: movq %rdi, 16(%rax)
; CHECK-X64-O2-NEXT: popq %rbx
; CHECK-X64-O2-NEXT: retq
{
%b = shl i256 1, %c ; %c must not be a constant
; Special case when %c is 0:
ret i256 %b
}
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; CHECK-X64: {{.*}}