| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefixes=X86,X86-FAST |
| ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+slow-shld | FileCheck %s --check-prefixes=X86,X86-SLOW |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefixes=X64,X64-FAST |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+slow-shld | FileCheck %s --check-prefixes=X64,X64-SLOW |
| |
| declare i8 @llvm.fshl.i8(i8, i8, i8) nounwind readnone |
| declare i16 @llvm.fshl.i16(i16, i16, i16) nounwind readnone |
| declare i32 @llvm.fshl.i32(i32, i32, i32) nounwind readnone |
| declare i64 @llvm.fshl.i64(i64, i64, i64) nounwind readnone |
| declare i128 @llvm.fshl.i128(i128, i128, i128) nounwind readnone |
| |
| ; |
| ; Variable Funnel Shift |
| ; |
| |
| define i8 @var_shift_i8(i8 %x, i8 %y, i8 %z) nounwind { |
| ; X86-LABEL: var_shift_i8: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movb {{[0-9]+}}(%esp), %cl |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %edx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shll $8, %eax |
| ; X86-NEXT: orl %edx, %eax |
| ; X86-NEXT: andb $7, %cl |
| ; X86-NEXT: shll %cl, %eax |
| ; X86-NEXT: movb %ah, %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: var_shift_i8: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edx, %ecx |
| ; X64-NEXT: shll $8, %edi |
| ; X64-NEXT: movzbl %sil, %eax |
| ; X64-NEXT: orl %edi, %eax |
| ; X64-NEXT: andb $7, %cl |
| ; X64-NEXT: # kill: def $cl killed $cl killed $ecx |
| ; X64-NEXT: shll %cl, %eax |
| ; X64-NEXT: shrl $8, %eax |
| ; X64-NEXT: # kill: def $al killed $al killed $eax |
| ; X64-NEXT: retq |
| %tmp = tail call i8 @llvm.fshl.i8(i8 %x, i8 %y, i8 %z) |
| ret i8 %tmp |
| } |
| |
| define i16 @var_shift_i16(i16 %x, i16 %y, i16 %z) nounwind { |
| ; X86-FAST-LABEL: var_shift_i16: |
| ; X86-FAST: # %bb.0: |
| ; X86-FAST-NEXT: movzwl {{[0-9]+}}(%esp), %edx |
| ; X86-FAST-NEXT: movzwl {{[0-9]+}}(%esp), %eax |
| ; X86-FAST-NEXT: movb {{[0-9]+}}(%esp), %cl |
| ; X86-FAST-NEXT: andb $15, %cl |
| ; X86-FAST-NEXT: shldw %cl, %dx, %ax |
| ; X86-FAST-NEXT: retl |
| ; |
| ; X86-SLOW-LABEL: var_shift_i16: |
| ; X86-SLOW: # %bb.0: |
| ; X86-SLOW-NEXT: movb {{[0-9]+}}(%esp), %cl |
| ; X86-SLOW-NEXT: movzwl {{[0-9]+}}(%esp), %edx |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-SLOW-NEXT: shll $16, %eax |
| ; X86-SLOW-NEXT: orl %edx, %eax |
| ; X86-SLOW-NEXT: andb $15, %cl |
| ; X86-SLOW-NEXT: shll %cl, %eax |
| ; X86-SLOW-NEXT: shrl $16, %eax |
| ; X86-SLOW-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X86-SLOW-NEXT: retl |
| ; |
| ; X64-FAST-LABEL: var_shift_i16: |
| ; X64-FAST: # %bb.0: |
| ; X64-FAST-NEXT: movl %edx, %ecx |
| ; X64-FAST-NEXT: movl %edi, %eax |
| ; X64-FAST-NEXT: andb $15, %cl |
| ; X64-FAST-NEXT: # kill: def $cl killed $cl killed $ecx |
| ; X64-FAST-NEXT: shldw %cl, %si, %ax |
| ; X64-FAST-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-FAST-NEXT: retq |
| ; |
| ; X64-SLOW-LABEL: var_shift_i16: |
| ; X64-SLOW: # %bb.0: |
| ; X64-SLOW-NEXT: movl %edx, %ecx |
| ; X64-SLOW-NEXT: shll $16, %edi |
| ; X64-SLOW-NEXT: movzwl %si, %eax |
| ; X64-SLOW-NEXT: orl %edi, %eax |
| ; X64-SLOW-NEXT: andb $15, %cl |
| ; X64-SLOW-NEXT: # kill: def $cl killed $cl killed $ecx |
| ; X64-SLOW-NEXT: shll %cl, %eax |
| ; X64-SLOW-NEXT: shrl $16, %eax |
| ; X64-SLOW-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-SLOW-NEXT: retq |
| %tmp = tail call i16 @llvm.fshl.i16(i16 %x, i16 %y, i16 %z) |
| ret i16 %tmp |
| } |
| |
| define i32 @var_shift_i32(i32 %x, i32 %y, i32 %z) nounwind { |
| ; X86-FAST-LABEL: var_shift_i32: |
| ; 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: |
| ; X86-SLOW: # %bb.0: |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-SLOW-NEXT: movb {{[0-9]+}}(%esp), %cl |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-SLOW-NEXT: shll %cl, %edx |
| ; X86-SLOW-NEXT: notb %cl |
| ; X86-SLOW-NEXT: shrl %eax |
| ; X86-SLOW-NEXT: shrl %cl, %eax |
| ; X86-SLOW-NEXT: orl %edx, %eax |
| ; X86-SLOW-NEXT: retl |
| ; |
| ; X64-FAST-LABEL: var_shift_i32: |
| ; 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: |
| ; X64-SLOW: # %bb.0: |
| ; X64-SLOW-NEXT: movl %edx, %ecx |
| ; X64-SLOW-NEXT: movl %esi, %eax |
| ; X64-SLOW-NEXT: shll %cl, %edi |
| ; X64-SLOW-NEXT: shrl %eax |
| ; X64-SLOW-NEXT: notb %cl |
| ; X64-SLOW-NEXT: # kill: def $cl killed $cl killed $ecx |
| ; X64-SLOW-NEXT: shrl %cl, %eax |
| ; X64-SLOW-NEXT: orl %edi, %eax |
| ; X64-SLOW-NEXT: retq |
| %tmp = tail call i32 @llvm.fshl.i32(i32 %x, i32 %y, i32 %z) |
| ret i32 %tmp |
| } |
| |
| define i32 @var_shift_i32_optsize(i32 %x, i32 %y, i32 %z) nounwind optsize { |
| ; X86-LABEL: var_shift_i32_optsize: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movb {{[0-9]+}}(%esp), %cl |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shldl %cl, %edx, %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: var_shift_i32_optsize: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edx, %ecx |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: # kill: def $cl killed $cl killed $ecx |
| ; X64-NEXT: shldl %cl, %esi, %eax |
| ; X64-NEXT: retq |
| %tmp = tail call i32 @llvm.fshl.i32(i32 %x, i32 %y, i32 %z) |
| ret i32 %tmp |
| } |
| |
| define i32 @var_shift_i32_pgso(i32 %x, i32 %y, i32 %z) nounwind !prof !14 { |
| ; X86-LABEL: var_shift_i32_pgso: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movb {{[0-9]+}}(%esp), %cl |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shldl %cl, %edx, %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: var_shift_i32_pgso: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edx, %ecx |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: # kill: def $cl killed $cl killed $ecx |
| ; X64-NEXT: shldl %cl, %esi, %eax |
| ; X64-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: |
| ; X86-FAST-NEXT: pushl %edi |
| ; X86-FAST-NEXT: pushl %esi |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %esi |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-FAST-NEXT: testb $32, %cl |
| ; X86-FAST-NEXT: jne .LBB5_1 |
| ; X86-FAST-NEXT: # %bb.2: |
| ; X86-FAST-NEXT: movl %edx, %edi |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-FAST-NEXT: jmp .LBB5_3 |
| ; X86-FAST-NEXT: .LBB5_1: |
| ; X86-FAST-NEXT: movl %esi, %edi |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %esi |
| ; X86-FAST-NEXT: .LBB5_3: |
| ; X86-FAST-NEXT: movl %edi, %eax |
| ; X86-FAST-NEXT: shldl %cl, %esi, %eax |
| ; X86-FAST-NEXT: # kill: def $cl killed $cl killed $ecx |
| ; X86-FAST-NEXT: shldl %cl, %edi, %edx |
| ; X86-FAST-NEXT: popl %esi |
| ; X86-FAST-NEXT: popl %edi |
| ; X86-FAST-NEXT: retl |
| ; |
| ; X86-SLOW-LABEL: var_shift_i64: |
| ; X86-SLOW: # %bb.0: |
| ; X86-SLOW-NEXT: pushl %ebx |
| ; X86-SLOW-NEXT: pushl %edi |
| ; X86-SLOW-NEXT: pushl %esi |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ebx |
| ; X86-SLOW-NEXT: testb $32, %bl |
| ; X86-SLOW-NEXT: jne .LBB5_1 |
| ; X86-SLOW-NEXT: # %bb.2: |
| ; X86-SLOW-NEXT: movl %edx, %esi |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-SLOW-NEXT: jmp .LBB5_3 |
| ; X86-SLOW-NEXT: .LBB5_1: |
| ; X86-SLOW-NEXT: movl %eax, %esi |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-SLOW-NEXT: .LBB5_3: |
| ; X86-SLOW-NEXT: movl %esi, %edi |
| ; X86-SLOW-NEXT: movl %ebx, %ecx |
| ; X86-SLOW-NEXT: shll %cl, %edi |
| ; X86-SLOW-NEXT: shrl %eax |
| ; X86-SLOW-NEXT: notb %cl |
| ; X86-SLOW-NEXT: shrl %cl, %eax |
| ; X86-SLOW-NEXT: orl %edi, %eax |
| ; X86-SLOW-NEXT: shrl %esi |
| ; X86-SLOW-NEXT: shrl %cl, %esi |
| ; X86-SLOW-NEXT: movl %ebx, %ecx |
| ; X86-SLOW-NEXT: shll %cl, %edx |
| ; X86-SLOW-NEXT: orl %esi, %edx |
| ; X86-SLOW-NEXT: popl %esi |
| ; X86-SLOW-NEXT: popl %edi |
| ; X86-SLOW-NEXT: popl %ebx |
| ; X86-SLOW-NEXT: retl |
| ; |
| ; X64-FAST-LABEL: var_shift_i64: |
| ; X64-FAST: # %bb.0: |
| ; X64-FAST-NEXT: movq %rdx, %rcx |
| ; X64-FAST-NEXT: movq %rdi, %rax |
| ; X64-FAST-NEXT: # kill: def $cl killed $cl killed $rcx |
| ; X64-FAST-NEXT: shldq %cl, %rsi, %rax |
| ; X64-FAST-NEXT: retq |
| ; |
| ; X64-SLOW-LABEL: var_shift_i64: |
| ; X64-SLOW: # %bb.0: |
| ; X64-SLOW-NEXT: movq %rdx, %rcx |
| ; X64-SLOW-NEXT: movq %rsi, %rax |
| ; X64-SLOW-NEXT: shlq %cl, %rdi |
| ; X64-SLOW-NEXT: shrq %rax |
| ; X64-SLOW-NEXT: notb %cl |
| ; X64-SLOW-NEXT: # kill: def $cl killed $cl killed $rcx |
| ; X64-SLOW-NEXT: shrq %cl, %rax |
| ; X64-SLOW-NEXT: orq %rdi, %rax |
| ; X64-SLOW-NEXT: retq |
| %tmp = tail call i64 @llvm.fshl.i64(i64 %x, i64 %y, i64 %z) |
| ret i64 %tmp |
| } |
| |
| define i128 @var_shift_i128(i128 %x, i128 %y, i128 %z) nounwind { |
| ; X86-FAST-LABEL: var_shift_i128: |
| ; X86-FAST: # %bb.0: |
| ; X86-FAST-NEXT: pushl %ebp |
| ; X86-FAST-NEXT: pushl %ebx |
| ; X86-FAST-NEXT: pushl %edi |
| ; X86-FAST-NEXT: pushl %esi |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %esi |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %ebx |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %edi |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-FAST-NEXT: testb $64, %cl |
| ; X86-FAST-NEXT: jne .LBB6_1 |
| ; X86-FAST-NEXT: # %bb.2: |
| ; X86-FAST-NEXT: movl %edi, %eax |
| ; X86-FAST-NEXT: movl %esi, %edi |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %esi |
| ; X86-FAST-NEXT: movl %ebx, %ebp |
| ; X86-FAST-NEXT: movl %edx, %ebx |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-FAST-NEXT: testb $32, %cl |
| ; X86-FAST-NEXT: je .LBB6_5 |
| ; X86-FAST-NEXT: .LBB6_4: |
| ; X86-FAST-NEXT: movl %edx, %esi |
| ; X86-FAST-NEXT: movl %edi, %edx |
| ; X86-FAST-NEXT: movl %ebx, %edi |
| ; X86-FAST-NEXT: movl %eax, %ebx |
| ; X86-FAST-NEXT: jmp .LBB6_6 |
| ; X86-FAST-NEXT: .LBB6_1: |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %ebp |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-FAST-NEXT: testb $32, %cl |
| ; X86-FAST-NEXT: jne .LBB6_4 |
| ; X86-FAST-NEXT: .LBB6_5: |
| ; X86-FAST-NEXT: movl %eax, %ebp |
| ; X86-FAST-NEXT: .LBB6_6: |
| ; X86-FAST-NEXT: movl %ebx, %eax |
| ; X86-FAST-NEXT: shldl %cl, %ebp, %eax |
| ; X86-FAST-NEXT: movl %edi, %ebp |
| ; X86-FAST-NEXT: shldl %cl, %ebx, %ebp |
| ; X86-FAST-NEXT: movl %edx, %ebx |
| ; X86-FAST-NEXT: shldl %cl, %edi, %ebx |
| ; X86-FAST-NEXT: # kill: def $cl killed $cl killed $ecx |
| ; X86-FAST-NEXT: shldl %cl, %edx, %esi |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-FAST-NEXT: movl %esi, 12(%ecx) |
| ; X86-FAST-NEXT: movl %ebx, 8(%ecx) |
| ; X86-FAST-NEXT: movl %ebp, 4(%ecx) |
| ; X86-FAST-NEXT: movl %eax, (%ecx) |
| ; X86-FAST-NEXT: movl %ecx, %eax |
| ; X86-FAST-NEXT: popl %esi |
| ; X86-FAST-NEXT: popl %edi |
| ; X86-FAST-NEXT: popl %ebx |
| ; X86-FAST-NEXT: popl %ebp |
| ; X86-FAST-NEXT: retl $4 |
| ; |
| ; X86-SLOW-LABEL: var_shift_i128: |
| ; X86-SLOW: # %bb.0: |
| ; X86-SLOW-NEXT: pushl %ebp |
| ; X86-SLOW-NEXT: pushl %ebx |
| ; X86-SLOW-NEXT: pushl %edi |
| ; X86-SLOW-NEXT: pushl %esi |
| ; X86-SLOW-NEXT: pushl %eax |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %esi |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %edi |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ebp |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-SLOW-NEXT: testb $64, %al |
| ; X86-SLOW-NEXT: jne .LBB6_1 |
| ; X86-SLOW-NEXT: # %bb.2: |
| ; X86-SLOW-NEXT: movl %ebp, %ecx |
| ; X86-SLOW-NEXT: movl %edi, %ebp |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %edi |
| ; X86-SLOW-NEXT: movl %edx, %ebx |
| ; X86-SLOW-NEXT: movl %esi, %edx |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %esi |
| ; X86-SLOW-NEXT: jmp .LBB6_3 |
| ; X86-SLOW-NEXT: .LBB6_1: |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ebx |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-SLOW-NEXT: .LBB6_3: |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-SLOW-NEXT: testb $32, %al |
| ; X86-SLOW-NEXT: jne .LBB6_4 |
| ; X86-SLOW-NEXT: # %bb.5: |
| ; X86-SLOW-NEXT: movl %ecx, %ebx |
| ; X86-SLOW-NEXT: movl %edi, (%esp) # 4-byte Spill |
| ; X86-SLOW-NEXT: jmp .LBB6_6 |
| ; X86-SLOW-NEXT: .LBB6_4: |
| ; X86-SLOW-NEXT: movl %esi, (%esp) # 4-byte Spill |
| ; X86-SLOW-NEXT: movl %ebp, %esi |
| ; X86-SLOW-NEXT: movl %edx, %ebp |
| ; X86-SLOW-NEXT: movl %ecx, %edx |
| ; X86-SLOW-NEXT: .LBB6_6: |
| ; X86-SLOW-NEXT: movl %edx, %edi |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-SLOW-NEXT: movl %eax, %ecx |
| ; X86-SLOW-NEXT: shll %cl, %edi |
| ; X86-SLOW-NEXT: shrl %ebx |
| ; X86-SLOW-NEXT: movb %al, %ch |
| ; X86-SLOW-NEXT: notb %ch |
| ; X86-SLOW-NEXT: movb %ch, %cl |
| ; X86-SLOW-NEXT: shrl %cl, %ebx |
| ; X86-SLOW-NEXT: orl %edi, %ebx |
| ; X86-SLOW-NEXT: movl %ebp, %edi |
| ; X86-SLOW-NEXT: movb %al, %cl |
| ; X86-SLOW-NEXT: shll %cl, %edi |
| ; X86-SLOW-NEXT: shrl %edx |
| ; X86-SLOW-NEXT: movb %ch, %cl |
| ; X86-SLOW-NEXT: shrl %cl, %edx |
| ; X86-SLOW-NEXT: orl %edi, %edx |
| ; X86-SLOW-NEXT: movl %esi, %edi |
| ; X86-SLOW-NEXT: movb %al, %cl |
| ; X86-SLOW-NEXT: shll %cl, %edi |
| ; X86-SLOW-NEXT: shrl %ebp |
| ; X86-SLOW-NEXT: movb %ch, %cl |
| ; X86-SLOW-NEXT: shrl %cl, %ebp |
| ; X86-SLOW-NEXT: orl %edi, %ebp |
| ; X86-SLOW-NEXT: movb %al, %cl |
| ; X86-SLOW-NEXT: movl (%esp), %eax # 4-byte Reload |
| ; X86-SLOW-NEXT: shll %cl, %eax |
| ; X86-SLOW-NEXT: shrl %esi |
| ; X86-SLOW-NEXT: movb %ch, %cl |
| ; X86-SLOW-NEXT: shrl %cl, %esi |
| ; X86-SLOW-NEXT: orl %eax, %esi |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-SLOW-NEXT: movl %esi, 12(%eax) |
| ; X86-SLOW-NEXT: movl %ebp, 8(%eax) |
| ; X86-SLOW-NEXT: movl %edx, 4(%eax) |
| ; X86-SLOW-NEXT: movl %ebx, (%eax) |
| ; X86-SLOW-NEXT: addl $4, %esp |
| ; X86-SLOW-NEXT: popl %esi |
| ; X86-SLOW-NEXT: popl %edi |
| ; X86-SLOW-NEXT: popl %ebx |
| ; X86-SLOW-NEXT: popl %ebp |
| ; X86-SLOW-NEXT: retl $4 |
| ; |
| ; X64-FAST-LABEL: var_shift_i128: |
| ; X64-FAST: # %bb.0: |
| ; X64-FAST-NEXT: testb $64, %r8b |
| ; X64-FAST-NEXT: cmovneq %rdi, %rsi |
| ; X64-FAST-NEXT: cmoveq %rcx, %rdx |
| ; X64-FAST-NEXT: cmovneq %rcx, %rdi |
| ; X64-FAST-NEXT: movq %rdi, %rax |
| ; X64-FAST-NEXT: movl %r8d, %ecx |
| ; X64-FAST-NEXT: shldq %cl, %rdx, %rax |
| ; X64-FAST-NEXT: shldq %cl, %rdi, %rsi |
| ; X64-FAST-NEXT: movq %rsi, %rdx |
| ; X64-FAST-NEXT: retq |
| ; |
| ; X64-SLOW-LABEL: var_shift_i128: |
| ; X64-SLOW: # %bb.0: |
| ; X64-SLOW-NEXT: testb $64, %r8b |
| ; X64-SLOW-NEXT: cmovneq %rdi, %rsi |
| ; X64-SLOW-NEXT: cmoveq %rcx, %rdx |
| ; X64-SLOW-NEXT: cmovneq %rcx, %rdi |
| ; X64-SLOW-NEXT: movq %rdi, %rax |
| ; X64-SLOW-NEXT: movl %r8d, %ecx |
| ; X64-SLOW-NEXT: shlq %cl, %rax |
| ; X64-SLOW-NEXT: shrq %rdx |
| ; X64-SLOW-NEXT: movl %r8d, %r9d |
| ; X64-SLOW-NEXT: notb %r9b |
| ; X64-SLOW-NEXT: movl %r9d, %ecx |
| ; X64-SLOW-NEXT: shrq %cl, %rdx |
| ; X64-SLOW-NEXT: orq %rdx, %rax |
| ; X64-SLOW-NEXT: movl %r8d, %ecx |
| ; X64-SLOW-NEXT: shlq %cl, %rsi |
| ; X64-SLOW-NEXT: shrq %rdi |
| ; X64-SLOW-NEXT: movl %r9d, %ecx |
| ; X64-SLOW-NEXT: shrq %cl, %rdi |
| ; X64-SLOW-NEXT: orq %rsi, %rdi |
| ; X64-SLOW-NEXT: movq %rdi, %rdx |
| ; X64-SLOW-NEXT: retq |
| %tmp = tail call i128 @llvm.fshl.i128(i128 %x, i128 %y, i128 %z) |
| ret i128 %tmp |
| } |
| |
| ; |
| ; Const Funnel Shift |
| ; |
| |
| define i8 @const_shift_i8(i8 %x, i8 %y) nounwind { |
| ; X86-LABEL: const_shift_i8: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movb {{[0-9]+}}(%esp), %al |
| ; X86-NEXT: movb {{[0-9]+}}(%esp), %cl |
| ; X86-NEXT: shrb %cl |
| ; X86-NEXT: shlb $7, %al |
| ; X86-NEXT: orb %cl, %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: const_shift_i8: |
| ; X64: # %bb.0: |
| ; X64-NEXT: # kill: def $esi killed $esi def $rsi |
| ; X64-NEXT: # kill: def $edi killed $edi def $rdi |
| ; X64-NEXT: shrb %sil |
| ; X64-NEXT: shlb $7, %dil |
| ; X64-NEXT: leal (%rdi,%rsi), %eax |
| ; X64-NEXT: # kill: def $al killed $al killed $eax |
| ; X64-NEXT: retq |
| %tmp = tail call i8 @llvm.fshl.i8(i8 %x, i8 %y, i8 7) |
| ret i8 %tmp |
| } |
| |
| define i16 @const_shift_i16(i16 %x, i16 %y) nounwind { |
| ; X86-FAST-LABEL: const_shift_i16: |
| ; X86-FAST: # %bb.0: |
| ; X86-FAST-NEXT: movzwl {{[0-9]+}}(%esp), %ecx |
| ; X86-FAST-NEXT: movzwl {{[0-9]+}}(%esp), %eax |
| ; X86-FAST-NEXT: shldw $7, %cx, %ax |
| ; X86-FAST-NEXT: retl |
| ; |
| ; X86-SLOW-LABEL: const_shift_i16: |
| ; X86-SLOW: # %bb.0: |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-SLOW-NEXT: movzwl {{[0-9]+}}(%esp), %ecx |
| ; X86-SLOW-NEXT: shrl $9, %ecx |
| ; X86-SLOW-NEXT: shll $7, %eax |
| ; X86-SLOW-NEXT: orl %ecx, %eax |
| ; X86-SLOW-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X86-SLOW-NEXT: retl |
| ; |
| ; X64-FAST-LABEL: const_shift_i16: |
| ; X64-FAST: # %bb.0: |
| ; X64-FAST-NEXT: movl %edi, %eax |
| ; X64-FAST-NEXT: shldw $7, %si, %ax |
| ; X64-FAST-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-FAST-NEXT: retq |
| ; |
| ; X64-SLOW-LABEL: const_shift_i16: |
| ; X64-SLOW: # %bb.0: |
| ; X64-SLOW-NEXT: movzwl %si, %eax |
| ; X64-SLOW-NEXT: shll $7, %edi |
| ; X64-SLOW-NEXT: shrl $9, %eax |
| ; X64-SLOW-NEXT: orl %edi, %eax |
| ; X64-SLOW-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-SLOW-NEXT: retq |
| %tmp = tail call i16 @llvm.fshl.i16(i16 %x, i16 %y, i16 7) |
| ret i16 %tmp |
| } |
| |
| define i32 @const_shift_i32(i32 %x, i32 %y) nounwind { |
| ; X86-FAST-LABEL: const_shift_i32: |
| ; X86-FAST: # %bb.0: |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-FAST-NEXT: shldl $7, %ecx, %eax |
| ; X86-FAST-NEXT: retl |
| ; |
| ; X86-SLOW-LABEL: const_shift_i32: |
| ; X86-SLOW: # %bb.0: |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-SLOW-NEXT: shrl $25, %ecx |
| ; X86-SLOW-NEXT: shll $7, %eax |
| ; X86-SLOW-NEXT: orl %ecx, %eax |
| ; X86-SLOW-NEXT: retl |
| ; |
| ; X64-FAST-LABEL: const_shift_i32: |
| ; X64-FAST: # %bb.0: |
| ; X64-FAST-NEXT: movl %edi, %eax |
| ; X64-FAST-NEXT: shldl $7, %esi, %eax |
| ; X64-FAST-NEXT: retq |
| ; |
| ; X64-SLOW-LABEL: const_shift_i32: |
| ; X64-SLOW: # %bb.0: |
| ; X64-SLOW-NEXT: # kill: def $esi killed $esi def $rsi |
| ; X64-SLOW-NEXT: # kill: def $edi killed $edi def $rdi |
| ; X64-SLOW-NEXT: shrl $25, %esi |
| ; X64-SLOW-NEXT: shll $7, %edi |
| ; X64-SLOW-NEXT: leal (%rdi,%rsi), %eax |
| ; X64-SLOW-NEXT: retq |
| %tmp = tail call i32 @llvm.fshl.i32(i32 %x, i32 %y, i32 7) |
| ret i32 %tmp |
| } |
| |
| define i64 @const_shift_i64(i64 %x, i64 %y) nounwind { |
| ; X86-FAST-LABEL: const_shift_i64: |
| ; X86-FAST: # %bb.0: |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-FAST-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-FAST-NEXT: shrdl $25, %ecx, %eax |
| ; X86-FAST-NEXT: shldl $7, %ecx, %edx |
| ; X86-FAST-NEXT: retl |
| ; |
| ; X86-SLOW-LABEL: const_shift_i64: |
| ; X86-SLOW: # %bb.0: |
| ; X86-SLOW-NEXT: pushl %esi |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-SLOW-NEXT: movl {{[0-9]+}}(%esp), %esi |
| ; X86-SLOW-NEXT: shrl $25, %esi |
| ; X86-SLOW-NEXT: movl %ecx, %eax |
| ; X86-SLOW-NEXT: shll $7, %eax |
| ; X86-SLOW-NEXT: orl %esi, %eax |
| ; X86-SLOW-NEXT: shrl $25, %ecx |
| ; X86-SLOW-NEXT: shll $7, %edx |
| ; X86-SLOW-NEXT: orl %ecx, %edx |
| ; X86-SLOW-NEXT: popl %esi |
| ; X86-SLOW-NEXT: retl |
| ; |
| ; X64-FAST-LABEL: const_shift_i64: |
| ; X64-FAST: # %bb.0: |
| ; X64-FAST-NEXT: movq %rdi, %rax |
| ; X64-FAST-NEXT: shldq $7, %rsi, %rax |
| ; X64-FAST-NEXT: retq |
| ; |
| ; X64-SLOW-LABEL: const_shift_i64: |
| ; X64-SLOW: # %bb.0: |
| ; X64-SLOW-NEXT: shrq $57, %rsi |
| ; X64-SLOW-NEXT: shlq $7, %rdi |
| ; X64-SLOW-NEXT: leaq (%rdi,%rsi), %rax |
| ; X64-SLOW-NEXT: retq |
| %tmp = tail call i64 @llvm.fshl.i64(i64 %x, i64 %y, i64 7) |
| ret i64 %tmp |
| } |
| |
| ; |
| ; Combine Consecutive Loads |
| ; |
| |
| define i8 @combine_fshl_load_i8(i8* %p) nounwind { |
| ; X86-LABEL: combine_fshl_load_i8: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movb 1(%eax), %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: combine_fshl_load_i8: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movb 1(%rdi), %al |
| ; X64-NEXT: retq |
| %p1 = getelementptr i8, i8* %p, i32 1 |
| %ld0 = load i8, i8 *%p |
| %ld1 = load i8, i8 *%p1 |
| %res = call i8 @llvm.fshl.i8(i8 %ld1, i8 %ld0, i8 8) |
| ret i8 %res |
| } |
| |
| define i16 @combine_fshl_load_i16(i16* %p) nounwind { |
| ; X86-LABEL: combine_fshl_load_i16: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movzwl 1(%eax), %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: combine_fshl_load_i16: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movzwl 1(%rdi), %eax |
| ; X64-NEXT: retq |
| %p0 = getelementptr i16, i16* %p, i32 0 |
| %p1 = getelementptr i16, i16* %p, i32 1 |
| %ld0 = load i16, i16 *%p0 |
| %ld1 = load i16, i16 *%p1 |
| %res = call i16 @llvm.fshl.i16(i16 %ld1, i16 %ld0, i16 8) |
| ret i16 %res |
| } |
| |
| define i32 @combine_fshl_load_i32(i32* %p) nounwind { |
| ; X86-LABEL: combine_fshl_load_i32: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl 11(%eax), %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: combine_fshl_load_i32: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl 11(%rdi), %eax |
| ; X64-NEXT: retq |
| %p0 = getelementptr i32, i32* %p, i32 2 |
| %p1 = getelementptr i32, i32* %p, i32 3 |
| %ld0 = load i32, i32 *%p0 |
| %ld1 = load i32, i32 *%p1 |
| %res = call i32 @llvm.fshl.i32(i32 %ld1, i32 %ld0, i32 8) |
| ret i32 %res |
| } |
| |
| define i64 @combine_fshl_load_i64(i64* %p) nounwind { |
| ; X86-LABEL: combine_fshl_load_i64: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl 13(%ecx), %eax |
| ; X86-NEXT: movl 17(%ecx), %edx |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: combine_fshl_load_i64: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movq 13(%rdi), %rax |
| ; X64-NEXT: retq |
| %p0 = getelementptr i64, i64* %p, i64 1 |
| %p1 = getelementptr i64, i64* %p, i64 2 |
| %ld0 = load i64, i64 *%p0 |
| %ld1 = load i64, i64 *%p1 |
| %res = call i64 @llvm.fshl.i64(i64 %ld1, i64 %ld0, i64 24) |
| ret i64 %res |
| } |
| |
| !llvm.module.flags = !{!0} |
| !0 = !{i32 1, !"ProfileSummary", !1} |
| !1 = !{!2, !3, !4, !5, !6, !7, !8, !9} |
| !2 = !{!"ProfileFormat", !"InstrProf"} |
| !3 = !{!"TotalCount", i64 10000} |
| !4 = !{!"MaxCount", i64 10} |
| !5 = !{!"MaxInternalCount", i64 1} |
| !6 = !{!"MaxFunctionCount", i64 1000} |
| !7 = !{!"NumCounts", i64 3} |
| !8 = !{!"NumFunctions", i64 3} |
| !9 = !{!"DetailedSummary", !10} |
| !10 = !{!11, !12, !13} |
| !11 = !{i32 10000, i64 100, i32 1} |
| !12 = !{i32 999000, i64 100, i32 1} |
| !13 = !{i32 999999, i64 1, i32 2} |
| !14 = !{!"function_entry_count", i64 0} |
