| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-- | FileCheck %s --check-prefixes=X86,X86-BASE |
| ; RUN: llc < %s -mtriple=i686-- -mattr=movbe | FileCheck %s --check-prefixes=X86,X86-MOVBE |
| ; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s --check-prefixes=X64,X64-BASE |
| ; RUN: llc < %s -mtriple=x86_64-- -mattr=movbe | FileCheck %s --check-prefixes=X64,X64-MOVBE |
| |
| define i16 @foo(i16 %x, i16 %y, i16 %z) nounwind { |
| ; X86-LABEL: foo: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movb {{[0-9]+}}(%esp), %cl |
| ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: rolw %cl, %ax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: foo: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edx, %ecx |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: # kill: def $cl killed $cl killed $ecx |
| ; X64-NEXT: rolw %cl, %ax |
| ; X64-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| %t0 = shl i16 %x, %z |
| %t1 = sub i16 16, %z |
| %t2 = lshr i16 %x, %t1 |
| %t3 = or i16 %t2, %t0 |
| ret i16 %t3 |
| } |
| |
| define i16 @bar(i16 %x, i16 %y, i16 %z) nounwind { |
| ; X86-LABEL: bar: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %edx |
| ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movb {{[0-9]+}}(%esp), %cl |
| ; X86-NEXT: andb $15, %cl |
| ; X86-NEXT: shldw %cl, %dx, %ax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: bar: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edx, %ecx |
| ; X64-NEXT: movl %esi, %eax |
| ; X64-NEXT: andb $15, %cl |
| ; X64-NEXT: # kill: def $cl killed $cl killed $ecx |
| ; X64-NEXT: shldw %cl, %di, %ax |
| ; X64-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| %t0 = shl i16 %y, %z |
| %t1 = sub i16 16, %z |
| %t2 = lshr i16 %x, %t1 |
| %t3 = or i16 %t2, %t0 |
| ret i16 %t3 |
| } |
| |
| define i16 @un(i16 %x, i16 %y, i16 %z) nounwind { |
| ; X86-LABEL: un: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movb {{[0-9]+}}(%esp), %cl |
| ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: rorw %cl, %ax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: un: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edx, %ecx |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: # kill: def $cl killed $cl killed $ecx |
| ; X64-NEXT: rorw %cl, %ax |
| ; X64-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| %t0 = lshr i16 %x, %z |
| %t1 = sub i16 16, %z |
| %t2 = shl i16 %x, %t1 |
| %t3 = or i16 %t2, %t0 |
| ret i16 %t3 |
| } |
| |
| define i16 @bu(i16 %x, i16 %y, i16 %z) nounwind { |
| ; X86-LABEL: bu: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %edx |
| ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movb {{[0-9]+}}(%esp), %cl |
| ; X86-NEXT: andb $15, %cl |
| ; X86-NEXT: shrdw %cl, %dx, %ax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: bu: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edx, %ecx |
| ; X64-NEXT: movl %esi, %eax |
| ; X64-NEXT: andb $15, %cl |
| ; X64-NEXT: # kill: def $cl killed $cl killed $ecx |
| ; X64-NEXT: shrdw %cl, %di, %ax |
| ; X64-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| %t0 = lshr i16 %y, %z |
| %t1 = sub i16 16, %z |
| %t2 = shl i16 %x, %t1 |
| %t3 = or i16 %t2, %t0 |
| ret i16 %t3 |
| } |
| |
| define i16 @xfoo(i16 %x, i16 %y, i16 %z) nounwind { |
| ; X86-LABEL: xfoo: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: rolw $5, %ax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: xfoo: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: rolw $5, %ax |
| ; X64-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| %t0 = lshr i16 %x, 11 |
| %t1 = shl i16 %x, 5 |
| %t2 = or i16 %t0, %t1 |
| ret i16 %t2 |
| } |
| |
| define i16 @xbar(i16 %x, i16 %y, i16 %z) nounwind { |
| ; X86-LABEL: xbar: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shldw $5, %cx, %ax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: xbar: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %esi, %eax |
| ; X64-NEXT: shldw $5, %di, %ax |
| ; X64-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| %t0 = shl i16 %y, 5 |
| %t1 = lshr i16 %x, 11 |
| %t2 = or i16 %t0, %t1 |
| ret i16 %t2 |
| } |
| |
| define i16 @xun(i16 %x, i16 %y, i16 %z) nounwind { |
| ; X86-LABEL: xun: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: rolw $11, %ax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: xun: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: rolw $11, %ax |
| ; X64-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| %t0 = lshr i16 %x, 5 |
| %t1 = shl i16 %x, 11 |
| %t2 = or i16 %t0, %t1 |
| ret i16 %t2 |
| } |
| |
| define i16 @xbu(i16 %x, i16 %y, i16 %z) nounwind { |
| ; X86-LABEL: xbu: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shldw $11, %cx, %ax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: xbu: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: shldw $11, %si, %ax |
| ; X64-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| %t0 = lshr i16 %y, 5 |
| %t1 = shl i16 %x, 11 |
| %t2 = or i16 %t0, %t1 |
| ret i16 %t2 |
| } |
| |
| define i32 @rot16_demandedbits(i32 %x, i32 %y) nounwind { |
| ; X86-LABEL: rot16_demandedbits: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl %eax, %ecx |
| ; X86-NEXT: shrl $11, %ecx |
| ; X86-NEXT: shll $5, %eax |
| ; X86-NEXT: orl %ecx, %eax |
| ; X86-NEXT: movzwl %ax, %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: rot16_demandedbits: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: shrl $11, %eax |
| ; X64-NEXT: shll $5, %edi |
| ; X64-NEXT: orl %eax, %edi |
| ; X64-NEXT: movzwl %di, %eax |
| ; X64-NEXT: retq |
| %t0 = lshr i32 %x, 11 |
| %t1 = shl i32 %x, 5 |
| %t2 = or i32 %t0, %t1 |
| %t3 = and i32 %t2, 65535 |
| ret i32 %t3 |
| } |
| |
| define i16 @rot16_trunc(i32 %x, i32 %y) nounwind { |
| ; X86-LABEL: rot16_trunc: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl %eax, %ecx |
| ; X86-NEXT: shrl $11, %ecx |
| ; X86-NEXT: shll $5, %eax |
| ; X86-NEXT: orl %ecx, %eax |
| ; X86-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: rot16_trunc: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: shrl $11, %eax |
| ; X64-NEXT: shll $5, %edi |
| ; X64-NEXT: orl %edi, %eax |
| ; X64-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| %t0 = lshr i32 %x, 11 |
| %t1 = shl i32 %x, 5 |
| %t2 = or i32 %t0, %t1 |
| %t3 = trunc i32 %t2 to i16 |
| ret i16 %t3 |
| } |
| |
| define i16 @rotate16(i16 %x) { |
| ; X86-BASE-LABEL: rotate16: |
| ; X86-BASE: # %bb.0: |
| ; X86-BASE-NEXT: movzwl {{[0-9]+}}(%esp), %eax |
| ; X86-BASE-NEXT: rolw $8, %ax |
| ; X86-BASE-NEXT: retl |
| ; |
| ; X86-MOVBE-LABEL: rotate16: |
| ; X86-MOVBE: # %bb.0: |
| ; X86-MOVBE-NEXT: movbew {{[0-9]+}}(%esp), %ax |
| ; X86-MOVBE-NEXT: retl |
| ; |
| ; X64-LABEL: rotate16: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: rolw $8, %ax |
| ; X64-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| %r = call i16 @llvm.fshl.i16(i16 %x, i16 %x, i16 8) |
| ret i16 %r |
| } |
| |
| ; TODO: Should this always be rolw with memory operand? |
| |
| define void @rotate16_in_place_memory(i8* %p) { |
| ; X86-BASE-LABEL: rotate16_in_place_memory: |
| ; X86-BASE: # %bb.0: |
| ; X86-BASE-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-BASE-NEXT: rolw $8, (%eax) |
| ; X86-BASE-NEXT: retl |
| ; |
| ; X86-MOVBE-LABEL: rotate16_in_place_memory: |
| ; X86-MOVBE: # %bb.0: |
| ; X86-MOVBE-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-MOVBE-NEXT: movzwl (%eax), %ecx |
| ; X86-MOVBE-NEXT: movbew %cx, (%eax) |
| ; X86-MOVBE-NEXT: retl |
| ; |
| ; X64-BASE-LABEL: rotate16_in_place_memory: |
| ; X64-BASE: # %bb.0: |
| ; X64-BASE-NEXT: rolw $8, (%rdi) |
| ; X64-BASE-NEXT: retq |
| ; |
| ; X64-MOVBE-LABEL: rotate16_in_place_memory: |
| ; X64-MOVBE: # %bb.0: |
| ; X64-MOVBE-NEXT: movzwl (%rdi), %eax |
| ; X64-MOVBE-NEXT: movbew %ax, (%rdi) |
| ; X64-MOVBE-NEXT: retq |
| %p0 = getelementptr i8, i8* %p, i64 0 |
| %p1 = getelementptr i8, i8* %p, i64 1 |
| %i0 = load i8, i8* %p0, align 1 |
| %i1 = load i8, i8* %p1, align 1 |
| store i8 %i1, i8* %p0, align 1 |
| store i8 %i0, i8* %p1, align 1 |
| ret void |
| } |
| |
| define void @rotate16_memory(i8* %p, i8* %q) { |
| ; X86-BASE-LABEL: rotate16_memory: |
| ; X86-BASE: # %bb.0: |
| ; X86-BASE-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-BASE-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-BASE-NEXT: movzwl (%ecx), %ecx |
| ; X86-BASE-NEXT: rolw $8, %cx |
| ; X86-BASE-NEXT: movw %cx, (%eax) |
| ; X86-BASE-NEXT: retl |
| ; |
| ; X86-MOVBE-LABEL: rotate16_memory: |
| ; X86-MOVBE: # %bb.0: |
| ; X86-MOVBE-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-MOVBE-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-MOVBE-NEXT: movzwl (%ecx), %ecx |
| ; X86-MOVBE-NEXT: movbew %cx, (%eax) |
| ; X86-MOVBE-NEXT: retl |
| ; |
| ; X64-BASE-LABEL: rotate16_memory: |
| ; X64-BASE: # %bb.0: |
| ; X64-BASE-NEXT: movzwl (%rdi), %eax |
| ; X64-BASE-NEXT: rolw $8, %ax |
| ; X64-BASE-NEXT: movw %ax, (%rsi) |
| ; X64-BASE-NEXT: retq |
| ; |
| ; X64-MOVBE-LABEL: rotate16_memory: |
| ; X64-MOVBE: # %bb.0: |
| ; X64-MOVBE-NEXT: movzwl (%rdi), %eax |
| ; X64-MOVBE-NEXT: movbew %ax, (%rsi) |
| ; X64-MOVBE-NEXT: retq |
| %p0 = getelementptr i8, i8* %p, i64 0 |
| %p1 = getelementptr i8, i8* %p, i64 1 |
| %q0 = getelementptr i8, i8* %q, i64 0 |
| %q1 = getelementptr i8, i8* %q, i64 1 |
| %i0 = load i8, i8* %p0, align 1 |
| %i1 = load i8, i8* %p1, align 1 |
| store i8 %i1, i8* %q0, align 1 |
| store i8 %i0, i8* %q1, align 1 |
| ret void |
| } |
| |
| declare i16 @llvm.fshl.i16(i16, i16, i16) |