[NFC] Autogenerate CodeGen/X86/sdiv-pow2.ll

Author: deadalnix

llvm/test/CodeGen/X86/sdiv-pow2.ll

@@ -1,33 +1,50 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc -mtriple=i686-- < %s | FileCheck %s
 
 ; No attributes, should not use idiv
 define i32 @test1(i32 inreg %x) {
+; CHECK-LABEL: test1:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    movl %eax, %ecx
+; CHECK-NEXT:    sarl $31, %ecx
+; CHECK-NEXT:    shrl $28, %ecx
+; CHECK-NEXT:    addl %ecx, %eax
+; CHECK-NEXT:    sarl $4, %eax
+; CHECK-NEXT:    retl
 entry:
   %div = sdiv i32 %x, 16
   ret i32 %div
-; CHECK-LABEL: test1:
-; CHECK-NOT: idivl
-; CHECK: ret
 }
 
 ; Has minsize (-Oz) attribute, should generate idiv
 define i32 @test2(i32 inreg %x) minsize {
+; CHECK-LABEL: test2:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    pushl $16
+; CHECK-NEXT:    .cfi_adjust_cfa_offset 4
+; CHECK-NEXT:    popl %ecx
+; CHECK-NEXT:    .cfi_adjust_cfa_offset -4
+; CHECK-NEXT:    cltd
+; CHECK-NEXT:    idivl %ecx
+; CHECK-NEXT:    retl
 entry:
   %div = sdiv i32 %x, 16
   ret i32 %div
-; CHECK-LABEL: test2:
-; CHECK: idivl
-; CHECK: ret
 }
 
 ; Has optsize (-Os) attribute, should not generate idiv
 define i32 @test3(i32 inreg %x) optsize {
+; CHECK-LABEL: test3:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    movl %eax, %ecx
+; CHECK-NEXT:    sarl $31, %ecx
+; CHECK-NEXT:    shrl $28, %ecx
+; CHECK-NEXT:    addl %ecx, %eax
+; CHECK-NEXT:    sarl $4, %eax
+; CHECK-NEXT:    retl
 entry:
   %div = sdiv i32 %x, 16
   ret i32 %div
-; CHECK-LABEL: test3:
-; CHECK-NOT: idivl
-; CHECK: ret
 }