Reference: not-shift.ll before new peepholes.

[goldstein.w.n]

Fix commit message

[pengfei]

LGTM, thanks! I'll wait for one day then I will land it for you.

[goldstein.w.n]

In D140362#4007125, @pengfei wrote:

LGTM, thanks! I'll wait for one day then I will land it for you.

Thanks!

llvm/test/CodeGen/X86/not-shift.ll

+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=-bmi,-bmi2 < %s | FileCheck %s --check-prefixes=X86-NOBMI2
+; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,-bmi2 < %s | FileCheck %s --check-prefixes=X86-NOBMI2
+; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,-bmi2 < %s | FileCheck %s --check-prefixes=X86-NOBMI2
+; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,+bmi2 < %s | FileCheck %s --check-prefixes=X86-BMI2
+; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,+bmi2 < %s | FileCheck %s --check-prefixes=X86-BMI2
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=-bmi,-bmi2 < %s | FileCheck %s --check-prefixes=X64-NOBMI2
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,-bmi2 < %s | FileCheck %s --check-prefixes=X64-NOBMI2
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,-bmi2 < %s | FileCheck %s --check-prefixes=X64-NOBMI2
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,+bmi2 < %s | FileCheck %s --check-prefixes=X64-BMI2
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,+bmi2 < %s | FileCheck %s --check-prefixes=X64-BMI2
+
+
+
+define i64 @sub63_shiftl64(i64 %val, i64 %cnt) nounwind {
+; X86-NOBMI2-LABEL: sub63_shiftl64:
+; X86-NOBMI2:       # %bb.0:
+; X86-NOBMI2-NEXT:    pushl %esi
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %edx
+; X86-NOBMI2-NEXT:    movb $63, %cl
+; X86-NOBMI2-NEXT:    subb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI2-NEXT:    movl %esi, %eax
+; X86-NOBMI2-NEXT:    shll %cl, %eax
+; X86-NOBMI2-NEXT:    shldl %cl, %esi, %edx
+; X86-NOBMI2-NEXT:    testb $32, %cl
+; X86-NOBMI2-NEXT:    je .LBB0_2
+; X86-NOBMI2-NEXT:  # %bb.1:
+; X86-NOBMI2-NEXT:    movl %eax, %edx
+; X86-NOBMI2-NEXT:    xorl %eax, %eax
+; X86-NOBMI2-NEXT:  .LBB0_2:
+; X86-NOBMI2-NEXT:    popl %esi
+; X86-NOBMI2-NEXT:    retl
+;
+; X86-BMI2-LABEL: sub63_shiftl64:
+; X86-BMI2:       # %bb.0:
+; X86-BMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    movl {{[0-9]+}}(%esp), %edx
+; X86-BMI2-NEXT:    movb $63, %cl
+; X86-BMI2-NEXT:    subb {{[0-9]+}}(%esp), %cl
+; X86-BMI2-NEXT:    shldl %cl, %eax, %edx
+; X86-BMI2-NEXT:    shlxl %ecx, %eax, %eax
+; X86-BMI2-NEXT:    testb $32, %cl
+; X86-BMI2-NEXT:    je .LBB0_2
+; X86-BMI2-NEXT:  # %bb.1:
+; X86-BMI2-NEXT:    movl %eax, %edx
+; X86-BMI2-NEXT:    xorl %eax, %eax
+; X86-BMI2-NEXT:  .LBB0_2:
+; X86-BMI2-NEXT:    retl
+;
+; X64-NOBMI2-LABEL: sub63_shiftl64:
+; X64-NOBMI2:       # %bb.0:
+; X64-NOBMI2-NEXT:    movq %rdi, %rax
+; X64-NOBMI2-NEXT:    movb $63, %cl
+; X64-NOBMI2-NEXT:    subb %sil, %cl
+; X64-NOBMI2-NEXT:    shlq %cl, %rax
+; X64-NOBMI2-NEXT:    retq
+;
+; X64-BMI2-LABEL: sub63_shiftl64:
+; X64-BMI2:       # %bb.0:
+; X64-BMI2-NEXT:    movb $63, %al
+; X64-BMI2-NEXT:    subb %sil, %al
+; X64-BMI2-NEXT:    shlxq %rax, %rdi, %rax
+; X64-BMI2-NEXT:    retq
+  %adjcnt = sub i64 63, %cnt
+  %result = shl i64 %val, %adjcnt
+  ret i64 %result
+}
+
+define i64 @xor63_shiftr64(i64 %val, i64 %cnt) nounwind {
+; X86-NOBMI2-LABEL: xor63_shiftr64:
+; X86-NOBMI2:       # %bb.0:
+; X86-NOBMI2-NEXT:    pushl %esi
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT:    xorb $63, %cl
+; X86-NOBMI2-NEXT:    movl %esi, %edx
+; X86-NOBMI2-NEXT:    shrl %cl, %edx
+; X86-NOBMI2-NEXT:    shrdl %cl, %esi, %eax
+; X86-NOBMI2-NEXT:    testb $32, %cl
+; X86-NOBMI2-NEXT:    je .LBB1_2
+; X86-NOBMI2-NEXT:  # %bb.1:
+; X86-NOBMI2-NEXT:    movl %edx, %eax
+; X86-NOBMI2-NEXT:    xorl %edx, %edx
+; X86-NOBMI2-NEXT:  .LBB1_2:
+; X86-NOBMI2-NEXT:    popl %esi
+; X86-NOBMI2-NEXT:    retl
+;
+; X86-BMI2-LABEL: xor63_shiftr64:
+; X86-BMI2:       # %bb.0:
+; X86-BMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    movl {{[0-9]+}}(%esp), %edx
+; X86-BMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-BMI2-NEXT:    xorb $63, %cl
+; X86-BMI2-NEXT:    shrdl %cl, %edx, %eax
+; X86-BMI2-NEXT:    shrxl %ecx, %edx, %edx
+; X86-BMI2-NEXT:    testb $32, %cl
+; X86-BMI2-NEXT:    je .LBB1_2
+; X86-BMI2-NEXT:  # %bb.1:
+; X86-BMI2-NEXT:    movl %edx, %eax
+; X86-BMI2-NEXT:    xorl %edx, %edx
+; X86-BMI2-NEXT:  .LBB1_2:
+; X86-BMI2-NEXT:    retl
+;
+; X64-NOBMI2-LABEL: xor63_shiftr64:
+; X64-NOBMI2:       # %bb.0:
+; X64-NOBMI2-NEXT:    movq %rsi, %rcx
+; X64-NOBMI2-NEXT:    movq %rdi, %rax
+; X64-NOBMI2-NEXT:    xorb $63, %cl
+; X64-NOBMI2-NEXT:    # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI2-NEXT:    shrq %cl, %rax
+; X64-NOBMI2-NEXT:    retq
+;
+; X64-BMI2-LABEL: xor63_shiftr64:
+; X64-BMI2:       # %bb.0:
+; X64-BMI2-NEXT:    xorb $63, %sil
+; X64-BMI2-NEXT:    shrxq %rsi, %rdi, %rax
+; X64-BMI2-NEXT:    retq
+  %adjcnt = xor i64 %cnt, 63
+  %result = lshr i64 %val, %adjcnt
+  ret i64 %result
+}
+
+define i64 @sub127_shiftl64(i64 %val, i64 %cnt) nounwind {
+; X86-NOBMI2-LABEL: sub127_shiftl64:
+; X86-NOBMI2:       # %bb.0:
+; X86-NOBMI2-NEXT:    pushl %esi
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %edx
+; X86-NOBMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT:    xorb $127, %cl
+; X86-NOBMI2-NEXT:    movl %esi, %eax
+; X86-NOBMI2-NEXT:    shll %cl, %eax
+; X86-NOBMI2-NEXT:    shldl %cl, %esi, %edx
+; X86-NOBMI2-NEXT:    testb $32, %cl
+; X86-NOBMI2-NEXT:    je .LBB2_2
+; X86-NOBMI2-NEXT:  # %bb.1:
+; X86-NOBMI2-NEXT:    movl %eax, %edx
+; X86-NOBMI2-NEXT:    xorl %eax, %eax
+; X86-NOBMI2-NEXT:  .LBB2_2:
+; X86-NOBMI2-NEXT:    popl %esi
+; X86-NOBMI2-NEXT:    retl
+;
+; X86-BMI2-LABEL: sub127_shiftl64:
+; X86-BMI2:       # %bb.0:
+; X86-BMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    movl {{[0-9]+}}(%esp), %edx
+; X86-BMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-BMI2-NEXT:    xorb $127, %cl
+; X86-BMI2-NEXT:    shldl %cl, %eax, %edx
+; X86-BMI2-NEXT:    shlxl %ecx, %eax, %eax
+; X86-BMI2-NEXT:    testb $32, %cl
+; X86-BMI2-NEXT:    je .LBB2_2
+; X86-BMI2-NEXT:  # %bb.1:
+; X86-BMI2-NEXT:    movl %eax, %edx
+; X86-BMI2-NEXT:    xorl %eax, %eax
+; X86-BMI2-NEXT:  .LBB2_2:
+; X86-BMI2-NEXT:    retl
+;
+; X64-NOBMI2-LABEL: sub127_shiftl64:
+; X64-NOBMI2:       # %bb.0:
+; X64-NOBMI2-NEXT:    movq %rsi, %rcx
+; X64-NOBMI2-NEXT:    movq %rdi, %rax
+; X64-NOBMI2-NEXT:    xorb $127, %cl
+; X64-NOBMI2-NEXT:    # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI2-NEXT:    shlq %cl, %rax
+; X64-NOBMI2-NEXT:    retq
+;
+; X64-BMI2-LABEL: sub127_shiftl64:
+; X64-BMI2:       # %bb.0:
+; X64-BMI2-NEXT:    xorb $127, %sil
+; X64-BMI2-NEXT:    shlxq %rsi, %rdi, %rax
+; X64-BMI2-NEXT:    retq
+  %adjcnt = sub i64 127, %cnt
+  %result = shl i64 %val, %adjcnt
+  ret i64 %result
+}
+
+define i64 @xor127_shiftr64(i64 %val, i64 %cnt) nounwind {
+; X86-NOBMI2-LABEL: xor127_shiftr64:
+; X86-NOBMI2:       # %bb.0:
+; X86-NOBMI2-NEXT:    pushl %esi
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT:    xorb $127, %cl
+; X86-NOBMI2-NEXT:    movl %esi, %edx
+; X86-NOBMI2-NEXT:    shrl %cl, %edx
+; X86-NOBMI2-NEXT:    shrdl %cl, %esi, %eax
+; X86-NOBMI2-NEXT:    testb $32, %cl
+; X86-NOBMI2-NEXT:    je .LBB3_2
+; X86-NOBMI2-NEXT:  # %bb.1:
+; X86-NOBMI2-NEXT:    movl %edx, %eax
+; X86-NOBMI2-NEXT:    xorl %edx, %edx
+; X86-NOBMI2-NEXT:  .LBB3_2:
+; X86-NOBMI2-NEXT:    popl %esi
+; X86-NOBMI2-NEXT:    retl
+;
+; X86-BMI2-LABEL: xor127_shiftr64:
+; X86-BMI2:       # %bb.0:
+; X86-BMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    movl {{[0-9]+}}(%esp), %edx
+; X86-BMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-BMI2-NEXT:    xorb $127, %cl
+; X86-BMI2-NEXT:    shrdl %cl, %edx, %eax
+; X86-BMI2-NEXT:    shrxl %ecx, %edx, %edx
+; X86-BMI2-NEXT:    testb $32, %cl
+; X86-BMI2-NEXT:    je .LBB3_2
+; X86-BMI2-NEXT:  # %bb.1:
+; X86-BMI2-NEXT:    movl %edx, %eax
+; X86-BMI2-NEXT:    xorl %edx, %edx
+; X86-BMI2-NEXT:  .LBB3_2:
+; X86-BMI2-NEXT:    retl
+;
+; X64-NOBMI2-LABEL: xor127_shiftr64:
+; X64-NOBMI2:       # %bb.0:
+; X64-NOBMI2-NEXT:    movq %rsi, %rcx
+; X64-NOBMI2-NEXT:    movq %rdi, %rax
+; X64-NOBMI2-NEXT:    xorb $127, %cl
+; X64-NOBMI2-NEXT:    # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI2-NEXT:    shrq %cl, %rax
+; X64-NOBMI2-NEXT:    retq
+;
+; X64-BMI2-LABEL: xor127_shiftr64:
+; X64-BMI2:       # %bb.0:
+; X64-BMI2-NEXT:    xorb $127, %sil
+; X64-BMI2-NEXT:    shrxq %rsi, %rdi, %rax
+; X64-BMI2-NEXT:    retq
+  %adjcnt = xor i64 %cnt, 127
+  %result = lshr i64 %val, %adjcnt
+  ret i64 %result
+}
+
+define i64 @xor64_shiftl64(i64 %val, i64 %cnt) nounwind {
+; X86-NOBMI2-LABEL: xor64_shiftl64:
+; X86-NOBMI2:       # %bb.0:
+; X86-NOBMI2-NEXT:    pushl %esi
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %edx
+; X86-NOBMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT:    xorb $64, %cl
+; X86-NOBMI2-NEXT:    movl %esi, %eax
+; X86-NOBMI2-NEXT:    shll %cl, %eax
+; X86-NOBMI2-NEXT:    shldl %cl, %esi, %edx
+; X86-NOBMI2-NEXT:    testb $32, %cl
+; X86-NOBMI2-NEXT:    je .LBB4_2
+; X86-NOBMI2-NEXT:  # %bb.1:
+; X86-NOBMI2-NEXT:    movl %eax, %edx
+; X86-NOBMI2-NEXT:    xorl %eax, %eax
+; X86-NOBMI2-NEXT:  .LBB4_2:
+; X86-NOBMI2-NEXT:    popl %esi
+; X86-NOBMI2-NEXT:    retl
+;
+; X86-BMI2-LABEL: xor64_shiftl64:
+; X86-BMI2:       # %bb.0:
+; X86-BMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    movl {{[0-9]+}}(%esp), %edx
+; X86-BMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-BMI2-NEXT:    xorb $64, %cl
+; X86-BMI2-NEXT:    shldl %cl, %eax, %edx
+; X86-BMI2-NEXT:    shlxl %ecx, %eax, %eax
+; X86-BMI2-NEXT:    testb $32, %cl
+; X86-BMI2-NEXT:    je .LBB4_2
+; X86-BMI2-NEXT:  # %bb.1:
+; X86-BMI2-NEXT:    movl %eax, %edx
+; X86-BMI2-NEXT:    xorl %eax, %eax
+; X86-BMI2-NEXT:  .LBB4_2:
+; X86-BMI2-NEXT:    retl
+;
+; X64-NOBMI2-LABEL: xor64_shiftl64:
+; X64-NOBMI2:       # %bb.0:
+; X64-NOBMI2-NEXT:    movq %rsi, %rcx
+; X64-NOBMI2-NEXT:    movq %rdi, %rax
+; X64-NOBMI2-NEXT:    xorb $64, %cl
+; X64-NOBMI2-NEXT:    # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI2-NEXT:    shlq %cl, %rax
+; X64-NOBMI2-NEXT:    retq
+;
+; X64-BMI2-LABEL: xor64_shiftl64:
+; X64-BMI2:       # %bb.0:
+; X64-BMI2-NEXT:    xorb $64, %sil
+; X64-BMI2-NEXT:    shlxq %rsi, %rdi, %rax
+; X64-BMI2-NEXT:    retq
+  %adjcnt = xor i64 %cnt, 64
+  %result = shl i64 %val, %adjcnt
+  ret i64 %result
+}
+
+define i64 @sub1s_shiftr64(i64 %val, i64 %cnt) nounwind {
+; X86-NOBMI2-LABEL: sub1s_shiftr64:
+; X86-NOBMI2:       # %bb.0:
+; X86-NOBMI2-NEXT:    pushl %esi
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT:    notb %cl
+; X86-NOBMI2-NEXT:    movl %esi, %edx
+; X86-NOBMI2-NEXT:    shrl %cl, %edx
+; X86-NOBMI2-NEXT:    shrdl %cl, %esi, %eax
+; X86-NOBMI2-NEXT:    testb $32, %cl
+; X86-NOBMI2-NEXT:    je .LBB5_2
+; X86-NOBMI2-NEXT:  # %bb.1:
+; X86-NOBMI2-NEXT:    movl %edx, %eax
+; X86-NOBMI2-NEXT:    xorl %edx, %edx
+; X86-NOBMI2-NEXT:  .LBB5_2:
+; X86-NOBMI2-NEXT:    popl %esi
+; X86-NOBMI2-NEXT:    retl
+;
+; X86-BMI2-LABEL: sub1s_shiftr64:
+; X86-BMI2:       # %bb.0:
+; X86-BMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    movl {{[0-9]+}}(%esp), %edx
+; X86-BMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-BMI2-NEXT:    notb %cl
+; X86-BMI2-NEXT:    shrdl %cl, %edx, %eax
+; X86-BMI2-NEXT:    shrxl %ecx, %edx, %edx
+; X86-BMI2-NEXT:    testb $32, %cl
+; X86-BMI2-NEXT:    je .LBB5_2
+; X86-BMI2-NEXT:  # %bb.1:
+; X86-BMI2-NEXT:    movl %edx, %eax
+; X86-BMI2-NEXT:    xorl %edx, %edx
+; X86-BMI2-NEXT:  .LBB5_2:
+; X86-BMI2-NEXT:    retl
+;
+; X64-NOBMI2-LABEL: sub1s_shiftr64:
+; X64-NOBMI2:       # %bb.0:
+; X64-NOBMI2-NEXT:    movq %rsi, %rcx
+; X64-NOBMI2-NEXT:    movq %rdi, %rax
+; X64-NOBMI2-NEXT:    notb %cl
+; X64-NOBMI2-NEXT:    # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI2-NEXT:    shrq %cl, %rax
+; X64-NOBMI2-NEXT:    retq
+;
+; X64-BMI2-LABEL: sub1s_shiftr64:
+; X64-BMI2:       # %bb.0:
+; X64-BMI2-NEXT:    notb %sil
+; X64-BMI2-NEXT:    shrxq %rsi, %rdi, %rax
+; X64-BMI2-NEXT:    retq
+  %adjcnt = xor i64 %cnt, -1
+  %result = lshr i64 %val, %adjcnt
+  ret i64 %result
+}
+
+define i64 @xor1s_shiftl64(i64 %val, i64 %cnt) nounwind {
+; X86-NOBMI2-LABEL: xor1s_shiftl64:
+; X86-NOBMI2:       # %bb.0:
+; X86-NOBMI2-NEXT:    pushl %esi
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %edx
+; X86-NOBMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT:    notb %cl
+; X86-NOBMI2-NEXT:    movl %esi, %eax
+; X86-NOBMI2-NEXT:    shll %cl, %eax
+; X86-NOBMI2-NEXT:    shldl %cl, %esi, %edx
+; X86-NOBMI2-NEXT:    testb $32, %cl
+; X86-NOBMI2-NEXT:    je .LBB6_2
+; X86-NOBMI2-NEXT:  # %bb.1:
+; X86-NOBMI2-NEXT:    movl %eax, %edx
+; X86-NOBMI2-NEXT:    xorl %eax, %eax
+; X86-NOBMI2-NEXT:  .LBB6_2:
+; X86-NOBMI2-NEXT:    popl %esi
+; X86-NOBMI2-NEXT:    retl
+;
+; X86-BMI2-LABEL: xor1s_shiftl64:
+; X86-BMI2:       # %bb.0:
+; X86-BMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    movl {{[0-9]+}}(%esp), %edx
+; X86-BMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-BMI2-NEXT:    notb %cl
+; X86-BMI2-NEXT:    shldl %cl, %eax, %edx
+; X86-BMI2-NEXT:    shlxl %ecx, %eax, %eax
+; X86-BMI2-NEXT:    testb $32, %cl
+; X86-BMI2-NEXT:    je .LBB6_2
+; X86-BMI2-NEXT:  # %bb.1:
+; X86-BMI2-NEXT:    movl %eax, %edx
+; X86-BMI2-NEXT:    xorl %eax, %eax
+; X86-BMI2-NEXT:  .LBB6_2:
+; X86-BMI2-NEXT:    retl
+;
+; X64-NOBMI2-LABEL: xor1s_shiftl64:
+; X64-NOBMI2:       # %bb.0:
+; X64-NOBMI2-NEXT:    movq %rsi, %rcx
+; X64-NOBMI2-NEXT:    movq %rdi, %rax
+; X64-NOBMI2-NEXT:    notb %cl
+; X64-NOBMI2-NEXT:    # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI2-NEXT:    shlq %cl, %rax
+; X64-NOBMI2-NEXT:    retq
+;
+; X64-BMI2-LABEL: xor1s_shiftl64:
+; X64-BMI2:       # %bb.0:
+; X64-BMI2-NEXT:    notb %sil
+; X64-BMI2-NEXT:    shlxq %rsi, %rdi, %rax
+; X64-BMI2-NEXT:    retq
+  %adjcnt = xor i64 %cnt, -1
+  %result = shl i64 %val, %adjcnt
+  ret i64 %result
+}
+
+define i32 @sub31_shiftr32(i32 %val, i32 %cnt) nounwind {
+; X86-NOBMI2-LABEL: sub31_shiftr32:
+; X86-NOBMI2:       # %bb.0:
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT:    movb $31, %cl
+; X86-NOBMI2-NEXT:    subb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI2-NEXT:    shrl %cl, %eax
+; X86-NOBMI2-NEXT:    retl
+;
+; X86-BMI2-LABEL: sub31_shiftr32:
+; X86-BMI2:       # %bb.0:
+; X86-BMI2-NEXT:    movb $31, %al
+; X86-BMI2-NEXT:    subb {{[0-9]+}}(%esp), %al
+; X86-BMI2-NEXT:    shrxl %eax, {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    retl
+;
+; X64-NOBMI2-LABEL: sub31_shiftr32:
+; X64-NOBMI2:       # %bb.0:
+; X64-NOBMI2-NEXT:    movl %edi, %eax
+; X64-NOBMI2-NEXT:    movb $31, %cl
+; X64-NOBMI2-NEXT:    subb %sil, %cl
+; X64-NOBMI2-NEXT:    shrl %cl, %eax
+; X64-NOBMI2-NEXT:    retq
+;
+; X64-BMI2-LABEL: sub31_shiftr32:
+; X64-BMI2:       # %bb.0:
+; X64-BMI2-NEXT:    movb $31, %al
+; X64-BMI2-NEXT:    subb %sil, %al
+; X64-BMI2-NEXT:    shrxl %eax, %edi, %eax
+; X64-BMI2-NEXT:    retq
+  %adjcnt = sub i32 31, %cnt
+  %result = lshr i32 %val, %adjcnt
+  ret i32 %result
+}
+
+define i32 @xor31_shiftl32(i32 %val, i32 %cnt) nounwind {
+; X86-NOBMI2-LABEL: xor31_shiftl32:
+; X86-NOBMI2:       # %bb.0:
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT:    xorb $31, %cl
+; X86-NOBMI2-NEXT:    shll %cl, %eax
+; X86-NOBMI2-NEXT:    retl
+;
+; X86-BMI2-LABEL: xor31_shiftl32:
+; X86-BMI2:       # %bb.0:
+; X86-BMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    xorb $31, %al
+; X86-BMI2-NEXT:    shlxl %eax, {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    retl
+;
+; X64-NOBMI2-LABEL: xor31_shiftl32:
+; X64-NOBMI2:       # %bb.0:
+; X64-NOBMI2-NEXT:    movl %esi, %ecx
+; X64-NOBMI2-NEXT:    movl %edi, %eax
+; X64-NOBMI2-NEXT:    xorb $31, %cl
+; X64-NOBMI2-NEXT:    # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI2-NEXT:    shll %cl, %eax
+; X64-NOBMI2-NEXT:    retq
+;
+; X64-BMI2-LABEL: xor31_shiftl32:
+; X64-BMI2:       # %bb.0:
+; X64-BMI2-NEXT:    xorb $31, %sil
+; X64-BMI2-NEXT:    shlxl %esi, %edi, %eax
+; X64-BMI2-NEXT:    retq
+  %adjcnt = xor i32 %cnt, 31
+  %result = shl i32 %val, %adjcnt
+  ret i32 %result
+}
+
+define i32 @sub63_shiftr32(i32 %val, i32 %cnt) nounwind {
+; X86-NOBMI2-LABEL: sub63_shiftr32:
+; X86-NOBMI2:       # %bb.0:
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT:    movb $63, %cl
+; X86-NOBMI2-NEXT:    subb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI2-NEXT:    shrl %cl, %eax
+; X86-NOBMI2-NEXT:    retl
+;
+; X86-BMI2-LABEL: sub63_shiftr32:
+; X86-BMI2:       # %bb.0:
+; X86-BMI2-NEXT:    movb $63, %al
+; X86-BMI2-NEXT:    subb {{[0-9]+}}(%esp), %al
+; X86-BMI2-NEXT:    shrxl %eax, {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    retl
+;
+; X64-NOBMI2-LABEL: sub63_shiftr32:
+; X64-NOBMI2:       # %bb.0:
+; X64-NOBMI2-NEXT:    movl %edi, %eax
+; X64-NOBMI2-NEXT:    movb $63, %cl
+; X64-NOBMI2-NEXT:    subb %sil, %cl
+; X64-NOBMI2-NEXT:    shrl %cl, %eax
+; X64-NOBMI2-NEXT:    retq
+;
+; X64-BMI2-LABEL: sub63_shiftr32:
+; X64-BMI2:       # %bb.0:
+; X64-BMI2-NEXT:    movb $63, %al
+; X64-BMI2-NEXT:    subb %sil, %al
+; X64-BMI2-NEXT:    shrxl %eax, %edi, %eax
+; X64-BMI2-NEXT:    retq
+  %adjcnt = sub i32 63, %cnt
+  %result = lshr i32 %val, %adjcnt
+  ret i32 %result
+}
+
+define i32 @xor63_shiftl32(i32 %val, i32 %cnt) nounwind {
+; X86-NOBMI2-LABEL: xor63_shiftl32:
+; X86-NOBMI2:       # %bb.0:
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT:    xorb $63, %cl
+; X86-NOBMI2-NEXT:    shll %cl, %eax
+; X86-NOBMI2-NEXT:    retl
+;
+; X86-BMI2-LABEL: xor63_shiftl32:
+; X86-BMI2:       # %bb.0:
+; X86-BMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    xorb $63, %al
+; X86-BMI2-NEXT:    shlxl %eax, {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    retl
+;
+; X64-NOBMI2-LABEL: xor63_shiftl32:
+; X64-NOBMI2:       # %bb.0:
+; X64-NOBMI2-NEXT:    movl %esi, %ecx
+; X64-NOBMI2-NEXT:    movl %edi, %eax
+; X64-NOBMI2-NEXT:    xorb $63, %cl
+; X64-NOBMI2-NEXT:    # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI2-NEXT:    shll %cl, %eax
+; X64-NOBMI2-NEXT:    retq
+;
+; X64-BMI2-LABEL: xor63_shiftl32:
+; X64-BMI2:       # %bb.0:
+; X64-BMI2-NEXT:    xorb $63, %sil
+; X64-BMI2-NEXT:    shlxl %esi, %edi, %eax
+; X64-BMI2-NEXT:    retq
+  %adjcnt = xor i32 %cnt, 63
+  %result = shl i32 %val, %adjcnt
+  ret i32 %result
+}
+
+define i32 @xor32_shiftr32(i32 %val, i32 %cnt) nounwind {
+; X86-NOBMI2-LABEL: xor32_shiftr32:
+; X86-NOBMI2:       # %bb.0:
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT:    xorb $32, %cl
+; X86-NOBMI2-NEXT:    shrl %cl, %eax
+; X86-NOBMI2-NEXT:    retl
+;
+; X86-BMI2-LABEL: xor32_shiftr32:
+; X86-BMI2:       # %bb.0:
+; X86-BMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    xorb $32, %al
+; X86-BMI2-NEXT:    shrxl %eax, {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    retl
+;
+; X64-NOBMI2-LABEL: xor32_shiftr32:
+; X64-NOBMI2:       # %bb.0:
+; X64-NOBMI2-NEXT:    movl %esi, %ecx
+; X64-NOBMI2-NEXT:    movl %edi, %eax
+; X64-NOBMI2-NEXT:    xorb $32, %cl
+; X64-NOBMI2-NEXT:    # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI2-NEXT:    shrl %cl, %eax
+; X64-NOBMI2-NEXT:    retq
+;
+; X64-BMI2-LABEL: xor32_shiftr32:
+; X64-BMI2:       # %bb.0:
+; X64-BMI2-NEXT:    xorb $32, %sil
+; X64-BMI2-NEXT:    shrxl %esi, %edi, %eax
+; X64-BMI2-NEXT:    retq
+  %adjcnt = xor i32 %cnt, 32
+  %result = lshr i32 %val, %adjcnt
+  ret i32 %result
+}
+
+define i32 @sub1s_shiftl32(i32 %val, i32 %cnt) nounwind {
+; X86-NOBMI2-LABEL: sub1s_shiftl32:
+; X86-NOBMI2:       # %bb.0:
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT:    notb %cl
+; X86-NOBMI2-NEXT:    shll %cl, %eax
+; X86-NOBMI2-NEXT:    retl
+;
+; X86-BMI2-LABEL: sub1s_shiftl32:
+; X86-BMI2:       # %bb.0:
+; X86-BMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    notb %al
+; X86-BMI2-NEXT:    shlxl %eax, {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    retl
+;
+; X64-NOBMI2-LABEL: sub1s_shiftl32:
+; X64-NOBMI2:       # %bb.0:
+; X64-NOBMI2-NEXT:    movl %esi, %ecx
+; X64-NOBMI2-NEXT:    movl %edi, %eax
+; X64-NOBMI2-NEXT:    notb %cl
+; X64-NOBMI2-NEXT:    # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI2-NEXT:    shll %cl, %eax
+; X64-NOBMI2-NEXT:    retq
+;
+; X64-BMI2-LABEL: sub1s_shiftl32:
+; X64-BMI2:       # %bb.0:
+; X64-BMI2-NEXT:    notb %sil
+; X64-BMI2-NEXT:    shlxl %esi, %edi, %eax
+; X64-BMI2-NEXT:    retq
+  %adjcnt = xor i32 %cnt, -1
+  %result = shl i32 %val, %adjcnt
+  ret i32 %result
+}
+
+define i32 @xor1s_shiftr32(i32 %val, i32 %cnt) nounwind {
+; X86-NOBMI2-LABEL: xor1s_shiftr32:
+; X86-NOBMI2:       # %bb.0:
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT:    notb %cl
+; X86-NOBMI2-NEXT:    shrl %cl, %eax
+; X86-NOBMI2-NEXT:    retl
+;
+; X86-BMI2-LABEL: xor1s_shiftr32:
+; X86-BMI2:       # %bb.0:
+; X86-BMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    notb %al
+; X86-BMI2-NEXT:    shrxl %eax, {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    retl
+;
+; X64-NOBMI2-LABEL: xor1s_shiftr32:
+; X64-NOBMI2:       # %bb.0:
+; X64-NOBMI2-NEXT:    movl %esi, %ecx
+; X64-NOBMI2-NEXT:    movl %edi, %eax
+; X64-NOBMI2-NEXT:    notb %cl
+; X64-NOBMI2-NEXT:    # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI2-NEXT:    shrl %cl, %eax
+; X64-NOBMI2-NEXT:    retq
+;
+; X64-BMI2-LABEL: xor1s_shiftr32:
+; X64-BMI2:       # %bb.0:
+; X64-BMI2-NEXT:    notb %sil
+; X64-BMI2-NEXT:    shrxl %esi, %edi, %eax
+; X64-BMI2-NEXT:    retq
+  %adjcnt = xor i32 %cnt, -1
+  %result = lshr i32 %val, %adjcnt
+  ret i32 %result
+}