diff options
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/AArch64/arm64-popcnt.ll | 42 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/ctpop-combine.ll | 27 |
2 files changed, 17 insertions, 52 deletions
diff --git a/llvm/test/CodeGen/AArch64/arm64-popcnt.ll b/llvm/test/CodeGen/AArch64/arm64-popcnt.ll index a9cec13d343..3c3bc4765e7 100644 --- a/llvm/test/CodeGen/AArch64/arm64-popcnt.ll +++ b/llvm/test/CodeGen/AArch64/arm64-popcnt.ll @@ -326,37 +326,17 @@ define i32 @ctpop_eq_one(i64 %x) nounwind readnone { ; ; CHECK-ARM8A-NEON-LABEL: ctpop_eq_one: ; CHECK-ARM8A-NEON: @ %bb.0: -; CHECK-ARM8A-NEON-NEXT: push {r11, lr} -; CHECK-ARM8A-NEON-NEXT: movw r12, #21845 -; CHECK-ARM8A-NEON-NEXT: movw lr, #3855 -; CHECK-ARM8A-NEON-NEXT: movt r12, #21845 -; CHECK-ARM8A-NEON-NEXT: and r3, r12, r0, lsr #1 -; CHECK-ARM8A-NEON-NEXT: sub r0, r0, r3 -; CHECK-ARM8A-NEON-NEXT: movw r3, #13107 -; CHECK-ARM8A-NEON-NEXT: movt r3, #13107 -; CHECK-ARM8A-NEON-NEXT: and r2, r0, r3 -; CHECK-ARM8A-NEON-NEXT: and r0, r3, r0, lsr #2 -; CHECK-ARM8A-NEON-NEXT: movt lr, #3855 -; CHECK-ARM8A-NEON-NEXT: add r0, r2, r0 -; CHECK-ARM8A-NEON-NEXT: and r2, r12, r1, lsr #1 -; CHECK-ARM8A-NEON-NEXT: sub r1, r1, r2 -; CHECK-ARM8A-NEON-NEXT: and r2, r1, r3 -; CHECK-ARM8A-NEON-NEXT: add r0, r0, r0, lsr #4 -; CHECK-ARM8A-NEON-NEXT: and r1, r3, r1, lsr #2 -; CHECK-ARM8A-NEON-NEXT: and r0, r0, lr -; CHECK-ARM8A-NEON-NEXT: add r1, r2, r1 -; CHECK-ARM8A-NEON-NEXT: movw r2, #257 -; CHECK-ARM8A-NEON-NEXT: movt r2, #257 -; CHECK-ARM8A-NEON-NEXT: add r1, r1, r1, lsr #4 -; CHECK-ARM8A-NEON-NEXT: mul r0, r0, r2 -; CHECK-ARM8A-NEON-NEXT: and r1, r1, lr -; CHECK-ARM8A-NEON-NEXT: mul r1, r1, r2 -; CHECK-ARM8A-NEON-NEXT: lsr r0, r0, #24 -; CHECK-ARM8A-NEON-NEXT: add r0, r0, r1, lsr #24 -; CHECK-ARM8A-NEON-NEXT: eor r0, r0, #1 -; CHECK-ARM8A-NEON-NEXT: clz r0, r0 -; CHECK-ARM8A-NEON-NEXT: lsr r0, r0, #5 -; CHECK-ARM8A-NEON-NEXT: pop {r11, pc} +; CHECK-ARM8A-NEON-NEXT: subs r2, r0, #1 +; CHECK-ARM8A-NEON-NEXT: sbc r3, r1, #0 +; CHECK-ARM8A-NEON-NEXT: and r2, r0, r2 +; CHECK-ARM8A-NEON-NEXT: and r3, r1, r3 +; CHECK-ARM8A-NEON-NEXT: orrs r0, r0, r1 +; CHECK-ARM8A-NEON-NEXT: orr r2, r2, r3 +; CHECK-ARM8A-NEON-NEXT: movwne r0, #1 +; CHECK-ARM8A-NEON-NEXT: clz r2, r2 +; CHECK-ARM8A-NEON-NEXT: lsr r2, r2, #5 +; CHECK-ARM8A-NEON-NEXT: and r0, r0, r2 +; CHECK-ARM8A-NEON-NEXT: bx lr %count = tail call i64 @llvm.ctpop.i64(i64 %x) %cmp = icmp eq i64 %count, 1 %conv = zext i1 %cmp to i32 diff --git a/llvm/test/CodeGen/X86/ctpop-combine.ll b/llvm/test/CodeGen/X86/ctpop-combine.ll index d1a888396f3..41a7d93025d 100644 --- a/llvm/test/CodeGen/X86/ctpop-combine.ll +++ b/llvm/test/CodeGen/X86/ctpop-combine.ll @@ -122,28 +122,13 @@ define i32 @ctpop_eq_one(i64 %x) nounwind readnone { ; ; NO-POPCOUNT-LABEL: ctpop_eq_one: ; NO-POPCOUNT: # %bb.0: -; NO-POPCOUNT-NEXT: movq %rdi, %rax -; NO-POPCOUNT-NEXT: shrq %rax -; NO-POPCOUNT-NEXT: movabsq $6148914691236517205, %rcx # imm = 0x5555555555555555 -; NO-POPCOUNT-NEXT: andq %rax, %rcx -; NO-POPCOUNT-NEXT: subq %rcx, %rdi -; NO-POPCOUNT-NEXT: movabsq $3689348814741910323, %rax # imm = 0x3333333333333333 -; NO-POPCOUNT-NEXT: movq %rdi, %rcx -; NO-POPCOUNT-NEXT: andq %rax, %rcx -; NO-POPCOUNT-NEXT: shrq $2, %rdi -; NO-POPCOUNT-NEXT: andq %rax, %rdi -; NO-POPCOUNT-NEXT: addq %rcx, %rdi -; NO-POPCOUNT-NEXT: movq %rdi, %rax -; NO-POPCOUNT-NEXT: shrq $4, %rax -; NO-POPCOUNT-NEXT: addq %rdi, %rax -; NO-POPCOUNT-NEXT: movabsq $1085102592571150095, %rcx # imm = 0xF0F0F0F0F0F0F0F -; NO-POPCOUNT-NEXT: andq %rax, %rcx -; NO-POPCOUNT-NEXT: movabsq $72340172838076673, %rdx # imm = 0x101010101010101 -; NO-POPCOUNT-NEXT: imulq %rcx, %rdx -; NO-POPCOUNT-NEXT: shrq $56, %rdx -; NO-POPCOUNT-NEXT: xorl %eax, %eax -; NO-POPCOUNT-NEXT: cmpq $1, %rdx +; NO-POPCOUNT-NEXT: leaq -1(%rdi), %rax +; NO-POPCOUNT-NEXT: testq %rax, %rdi ; NO-POPCOUNT-NEXT: sete %al +; NO-POPCOUNT-NEXT: testq %rdi, %rdi +; NO-POPCOUNT-NEXT: setne %cl +; NO-POPCOUNT-NEXT: andb %al, %cl +; NO-POPCOUNT-NEXT: movzbl %cl, %eax ; NO-POPCOUNT-NEXT: retq %count = tail call i64 @llvm.ctpop.i64(i64 %x) %cmp = icmp eq i64 %count, 1 |
