[llvm] a698790 - [X86] Add additional tests to no-shift.ll

[Phoebe Wang via llvm-commits]

Author: Noah Goldstein
Date: 2023-01-06T14:44:45+08:00
New Revision: a698790c51ec2804c3a7ba4c59438e7816690ea2

URL: https://github.com/llvm/llvm-project/commit/a698790c51ec2804c3a7ba4c59438e7816690ea2
DIFF: https://github.com/llvm/llvm-project/commit/a698790c51ec2804c3a7ba4c59438e7816690ea2.diff

LOG: [X86] Add additional tests to no-shift.ll

Reviewed By: pengfei

Differential Revision: https://reviews.llvm.org/D141076

Added: 
    

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

Removed: 
    


################################################################################
diff  --git a/llvm/test/CodeGen/X86/not-shift.ll b/llvm/test/CodeGen/X86/not-shift.ll
index b0c93a73d15b2..67de3f240ed58 100644
--- a/llvm/test/CodeGen/X86/not-shift.ll
+++ b/llvm/test/CodeGen/X86/not-shift.ll
@@ -641,3 +641,72 @@ define i32 @xor1s_shiftr32(i32 %val, i32 %cnt) nounwind {
   %result = lshr i32 %val, %adjcnt
   ret i32 %result
 }
+define i32 @invalid_sub31(i32 %val, i32 %cnt) nounwind {
+; X86-NOBMI2-LABEL: invalid_sub31:
+; X86-NOBMI2:       # %bb.0:
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT:    addb $-31, %cl
+; X86-NOBMI2-NEXT:    shll %cl, %eax
+; X86-NOBMI2-NEXT:    retl
+;
+; X86-BMI2-LABEL: invalid_sub31:
+; X86-BMI2:       # %bb.0:
+; X86-BMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    addb $-31, %al
+; X86-BMI2-NEXT:    shlxl %eax, {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    retl
+;
+; X64-NOBMI2-LABEL: invalid_sub31:
+; X64-NOBMI2:       # %bb.0:
+; X64-NOBMI2-NEXT:    # kill: def $esi killed $esi def $rsi
+; X64-NOBMI2-NEXT:    movl %edi, %eax
+; X64-NOBMI2-NEXT:    leal -31(%rsi), %ecx
+; X64-NOBMI2-NEXT:    # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI2-NEXT:    shll %cl, %eax
+; X64-NOBMI2-NEXT:    retq
+;
+; X64-BMI2-LABEL: invalid_sub31:
+; X64-BMI2:       # %bb.0:
+; X64-BMI2-NEXT:    addb $-31, %sil
+; X64-BMI2-NEXT:    shlxl %esi, %edi, %eax
+; X64-BMI2-NEXT:    retq
+  %adjcnt = sub i32 %cnt, 31
+  %result = shl i32 %val, %adjcnt
+  ret i32 %result
+}
+
+define i32 @invalid_add31(i32 %val, i32 %cnt) nounwind {
+; X86-NOBMI2-LABEL: invalid_add31:
+; X86-NOBMI2:       # %bb.0:
+; X86-NOBMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT:    addb $31, %cl
+; X86-NOBMI2-NEXT:    shll %cl, %eax
+; X86-NOBMI2-NEXT:    retl
+;
+; X86-BMI2-LABEL: invalid_add31:
+; X86-BMI2:       # %bb.0:
+; X86-BMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    addb $31, %al
+; X86-BMI2-NEXT:    shlxl %eax, {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT:    retl
+;
+; X64-NOBMI2-LABEL: invalid_add31:
+; X64-NOBMI2:       # %bb.0:
+; X64-NOBMI2-NEXT:    # kill: def $esi killed $esi def $rsi
+; X64-NOBMI2-NEXT:    movl %edi, %eax
+; X64-NOBMI2-NEXT:    leal 31(%rsi), %ecx
+; X64-NOBMI2-NEXT:    # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI2-NEXT:    shll %cl, %eax
+; X64-NOBMI2-NEXT:    retq
+;
+; X64-BMI2-LABEL: invalid_add31:
+; X64-BMI2:       # %bb.0:
+; X64-BMI2-NEXT:    addb $31, %sil
+; X64-BMI2-NEXT:    shlxl %esi, %edi, %eax
+; X64-BMI2-NEXT:    retq
+  %adjcnt = add i32 %cnt, 31
+  %result = shl i32 %val, %adjcnt
+  ret i32 %result
+}