summaryrefslogtreecommitdiffstats
path: root/llvm/test/CodeGen/X86/bmi.ll
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/test/CodeGen/X86/bmi.ll')
-rw-r--r--llvm/test/CodeGen/X86/bmi.ll27
1 files changed, 10 insertions, 17 deletions
diff --git a/llvm/test/CodeGen/X86/bmi.ll b/llvm/test/CodeGen/X86/bmi.ll
index c48be66705f..c2d13c29710 100644
--- a/llvm/test/CodeGen/X86/bmi.ll
+++ b/llvm/test/CodeGen/X86/bmi.ll
@@ -1153,10 +1153,7 @@ declare void @bar()
define void @pr42118_i32(i32 %x) {
; X86-LABEL: pr42118_i32:
; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl %eax, %ecx
-; X86-NEXT: negl %ecx
-; X86-NEXT: andnl %eax, %ecx, %eax
+; X86-NEXT: blsrl {{[0-9]+}}(%esp), %eax
; X86-NEXT: jne .LBB48_1
; X86-NEXT: # %bb.2:
; X86-NEXT: jmp bar # TAILCALL
@@ -1165,9 +1162,7 @@ define void @pr42118_i32(i32 %x) {
;
; X64-LABEL: pr42118_i32:
; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: negl %eax
-; X64-NEXT: andnl %edi, %eax, %eax
+; X64-NEXT: blsrl %edi, %eax
; X64-NEXT: jne .LBB48_1
; X64-NEXT: # %bb.2:
; X64-NEXT: jmp bar # TAILCALL
@@ -1192,13 +1187,13 @@ define void @pr42118_i64(i64 %x) {
; X86-NEXT: .cfi_offset %esi, -8
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: xorl %edx, %edx
-; X86-NEXT: movl %eax, %esi
-; X86-NEXT: negl %esi
-; X86-NEXT: sbbl %ecx, %edx
-; X86-NEXT: andnl %ecx, %edx, %ecx
-; X86-NEXT: andnl %eax, %esi, %eax
-; X86-NEXT: orl %ecx, %eax
+; X86-NEXT: movl %eax, %edx
+; X86-NEXT: addl $-1, %edx
+; X86-NEXT: movl %ecx, %esi
+; X86-NEXT: adcl $-1, %esi
+; X86-NEXT: andl %eax, %edx
+; X86-NEXT: andl %ecx, %esi
+; X86-NEXT: orl %edx, %esi
; X86-NEXT: jne .LBB49_1
; X86-NEXT: # %bb.2:
; X86-NEXT: popl %esi
@@ -1212,9 +1207,7 @@ define void @pr42118_i64(i64 %x) {
;
; X64-LABEL: pr42118_i64:
; X64: # %bb.0:
-; X64-NEXT: movq %rdi, %rax
-; X64-NEXT: negq %rax
-; X64-NEXT: andnq %rdi, %rax, %rax
+; X64-NEXT: blsrq %rdi, %rax
; X64-NEXT: jne .LBB49_1
; X64-NEXT: # %bb.2:
; X64-NEXT: jmp bar # TAILCALL
OpenPOWER on IntegriCloud