| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s |
| |
| define zeroext i1 @all_bits_clear(i32 %P, i32 %Q) nounwind { |
| ; CHECK-LABEL: all_bits_clear: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: orl %esi, %edi |
| ; CHECK-NEXT: sete %al |
| ; CHECK-NEXT: retq |
| %a = icmp eq i32 %P, 0 |
| %b = icmp eq i32 %Q, 0 |
| %c = and i1 %a, %b |
| ret i1 %c |
| } |
| |
| define zeroext i1 @all_sign_bits_clear(i32 %P, i32 %Q) nounwind { |
| ; CHECK-LABEL: all_sign_bits_clear: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: orl %esi, %edi |
| ; CHECK-NEXT: setns %al |
| ; CHECK-NEXT: retq |
| %a = icmp sgt i32 %P, -1 |
| %b = icmp sgt i32 %Q, -1 |
| %c = and i1 %a, %b |
| ret i1 %c |
| } |
| |
| define zeroext i1 @all_bits_set(i32 %P, i32 %Q) nounwind { |
| ; CHECK-LABEL: all_bits_set: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: andl %esi, %edi |
| ; CHECK-NEXT: cmpl $-1, %edi |
| ; CHECK-NEXT: sete %al |
| ; CHECK-NEXT: retq |
| %a = icmp eq i32 %P, -1 |
| %b = icmp eq i32 %Q, -1 |
| %c = and i1 %a, %b |
| ret i1 %c |
| } |
| |
| define zeroext i1 @all_sign_bits_set(i32 %P, i32 %Q) nounwind { |
| ; CHECK-LABEL: all_sign_bits_set: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: andl %esi, %edi |
| ; CHECK-NEXT: shrl $31, %edi |
| ; CHECK-NEXT: movl %edi, %eax |
| ; CHECK-NEXT: retq |
| %a = icmp slt i32 %P, 0 |
| %b = icmp slt i32 %Q, 0 |
| %c = and i1 %a, %b |
| ret i1 %c |
| } |
| |
| define zeroext i1 @any_bits_set(i32 %P, i32 %Q) nounwind { |
| ; CHECK-LABEL: any_bits_set: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: orl %esi, %edi |
| ; CHECK-NEXT: setne %al |
| ; CHECK-NEXT: retq |
| %a = icmp ne i32 %P, 0 |
| %b = icmp ne i32 %Q, 0 |
| %c = or i1 %a, %b |
| ret i1 %c |
| } |
| |
| define zeroext i1 @any_sign_bits_set(i32 %P, i32 %Q) nounwind { |
| ; CHECK-LABEL: any_sign_bits_set: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: orl %esi, %edi |
| ; CHECK-NEXT: shrl $31, %edi |
| ; CHECK-NEXT: movl %edi, %eax |
| ; CHECK-NEXT: retq |
| %a = icmp slt i32 %P, 0 |
| %b = icmp slt i32 %Q, 0 |
| %c = or i1 %a, %b |
| ret i1 %c |
| } |
| |
| define zeroext i1 @any_bits_clear(i32 %P, i32 %Q) nounwind { |
| ; CHECK-LABEL: any_bits_clear: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: andl %esi, %edi |
| ; CHECK-NEXT: cmpl $-1, %edi |
| ; CHECK-NEXT: setne %al |
| ; CHECK-NEXT: retq |
| %a = icmp ne i32 %P, -1 |
| %b = icmp ne i32 %Q, -1 |
| %c = or i1 %a, %b |
| ret i1 %c |
| } |
| |
| define zeroext i1 @any_sign_bits_clear(i32 %P, i32 %Q) nounwind { |
| ; CHECK-LABEL: any_sign_bits_clear: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: testl %esi, %edi |
| ; CHECK-NEXT: setns %al |
| ; CHECK-NEXT: retq |
| %a = icmp sgt i32 %P, -1 |
| %b = icmp sgt i32 %Q, -1 |
| %c = or i1 %a, %b |
| ret i1 %c |
| } |
| |
| ; PR3351 - (P == 0) & (Q == 0) -> (P|Q) == 0 |
| define i32 @all_bits_clear_branch(i32* %P, i32* %Q) nounwind { |
| ; CHECK-LABEL: all_bits_clear_branch: |
| ; CHECK: # BB#0: # %entry |
| ; CHECK-NEXT: orq %rsi, %rdi |
| ; CHECK-NEXT: jne .LBB8_2 |
| ; CHECK-NEXT: # BB#1: # %bb1 |
| ; CHECK-NEXT: movl $4, %eax |
| ; CHECK-NEXT: retq |
| ; CHECK-NEXT: .LBB8_2: # %return |
| ; CHECK-NEXT: movl $192, %eax |
| ; CHECK-NEXT: retq |
| entry: |
| %a = icmp eq i32* %P, null |
| %b = icmp eq i32* %Q, null |
| %c = and i1 %a, %b |
| br i1 %c, label %bb1, label %return |
| |
| bb1: |
| ret i32 4 |
| |
| return: |
| ret i32 192 |
| } |
| |
| define i32 @all_sign_bits_clear_branch(i32 %P, i32 %Q) nounwind { |
| ; CHECK-LABEL: all_sign_bits_clear_branch: |
| ; CHECK: # BB#0: # %entry |
| ; CHECK-NEXT: testl %edi, %edi |
| ; CHECK-NEXT: js .LBB9_3 |
| ; CHECK-NEXT: # BB#1: # %entry |
| ; CHECK-NEXT: testl %esi, %esi |
| ; CHECK-NEXT: js .LBB9_3 |
| ; CHECK-NEXT: # BB#2: # %bb1 |
| ; CHECK-NEXT: movl $4, %eax |
| ; CHECK-NEXT: retq |
| ; CHECK-NEXT: .LBB9_3: # %return |
| ; CHECK-NEXT: movl $192, %eax |
| ; CHECK-NEXT: retq |
| entry: |
| %a = icmp sgt i32 %P, -1 |
| %b = icmp sgt i32 %Q, -1 |
| %c = and i1 %a, %b |
| br i1 %c, label %bb1, label %return |
| |
| bb1: |
| ret i32 4 |
| |
| return: |
| ret i32 192 |
| } |
| |
| define i32 @all_bits_set_branch(i32 %P, i32 %Q) nounwind { |
| ; CHECK-LABEL: all_bits_set_branch: |
| ; CHECK: # BB#0: # %entry |
| ; CHECK-NEXT: cmpl $-1, %edi |
| ; CHECK-NEXT: jne .LBB10_3 |
| ; CHECK-NEXT: # BB#1: # %entry |
| ; CHECK-NEXT: cmpl $-1, %esi |
| ; CHECK-NEXT: jne .LBB10_3 |
| ; CHECK-NEXT: # BB#2: # %bb1 |
| ; CHECK-NEXT: movl $4, %eax |
| ; CHECK-NEXT: retq |
| ; CHECK-NEXT: .LBB10_3: # %return |
| ; CHECK-NEXT: movl $192, %eax |
| ; CHECK-NEXT: retq |
| entry: |
| %a = icmp eq i32 %P, -1 |
| %b = icmp eq i32 %Q, -1 |
| %c = and i1 %a, %b |
| br i1 %c, label %bb1, label %return |
| |
| bb1: |
| ret i32 4 |
| |
| return: |
| ret i32 192 |
| } |
| |
| define i32 @all_sign_bits_set_branch(i32 %P, i32 %Q) nounwind { |
| ; CHECK-LABEL: all_sign_bits_set_branch: |
| ; CHECK: # BB#0: # %entry |
| ; CHECK-NEXT: testl %edi, %edi |
| ; CHECK-NEXT: jns .LBB11_3 |
| ; CHECK-NEXT: # BB#1: # %entry |
| ; CHECK-NEXT: testl %esi, %esi |
| ; CHECK-NEXT: jns .LBB11_3 |
| ; CHECK-NEXT: # BB#2: # %bb1 |
| ; CHECK-NEXT: movl $4, %eax |
| ; CHECK-NEXT: retq |
| ; CHECK-NEXT: .LBB11_3: # %return |
| ; CHECK-NEXT: movl $192, %eax |
| ; CHECK-NEXT: retq |
| entry: |
| %a = icmp slt i32 %P, 0 |
| %b = icmp slt i32 %Q, 0 |
| %c = and i1 %a, %b |
| br i1 %c, label %bb1, label %return |
| |
| bb1: |
| ret i32 4 |
| |
| return: |
| ret i32 192 |
| } |
| |
| ; PR3351 - (P != 0) | (Q != 0) -> (P|Q) != 0 |
| define i32 @any_bits_set_branch(i32* %P, i32* %Q) nounwind { |
| ; CHECK-LABEL: any_bits_set_branch: |
| ; CHECK: # BB#0: # %entry |
| ; CHECK-NEXT: orq %rsi, %rdi |
| ; CHECK-NEXT: je .LBB12_2 |
| ; CHECK-NEXT: # BB#1: # %bb1 |
| ; CHECK-NEXT: movl $4, %eax |
| ; CHECK-NEXT: retq |
| ; CHECK-NEXT: .LBB12_2: # %return |
| ; CHECK-NEXT: movl $192, %eax |
| ; CHECK-NEXT: retq |
| entry: |
| %a = icmp ne i32* %P, null |
| %b = icmp ne i32* %Q, null |
| %c = or i1 %a, %b |
| br i1 %c, label %bb1, label %return |
| |
| bb1: |
| ret i32 4 |
| |
| return: |
| ret i32 192 |
| } |
| |
| define i32 @any_sign_bits_set_branch(i32 %P, i32 %Q) nounwind { |
| ; CHECK-LABEL: any_sign_bits_set_branch: |
| ; CHECK: # BB#0: # %entry |
| ; CHECK-NEXT: testl %edi, %edi |
| ; CHECK-NEXT: js .LBB13_2 |
| ; CHECK-NEXT: # BB#1: # %entry |
| ; CHECK-NEXT: testl %esi, %esi |
| ; CHECK-NEXT: js .LBB13_2 |
| ; CHECK-NEXT: # BB#3: # %return |
| ; CHECK-NEXT: movl $192, %eax |
| ; CHECK-NEXT: retq |
| ; CHECK-NEXT: .LBB13_2: # %bb1 |
| ; CHECK-NEXT: movl $4, %eax |
| ; CHECK-NEXT: retq |
| entry: |
| %a = icmp slt i32 %P, 0 |
| %b = icmp slt i32 %Q, 0 |
| %c = or i1 %a, %b |
| br i1 %c, label %bb1, label %return |
| |
| bb1: |
| ret i32 4 |
| |
| return: |
| ret i32 192 |
| } |
| |
| define i32 @any_bits_clear_branch(i32 %P, i32 %Q) nounwind { |
| ; CHECK-LABEL: any_bits_clear_branch: |
| ; CHECK: # BB#0: # %entry |
| ; CHECK-NEXT: cmpl $-1, %edi |
| ; CHECK-NEXT: jne .LBB14_2 |
| ; CHECK-NEXT: # BB#1: # %entry |
| ; CHECK-NEXT: cmpl $-1, %esi |
| ; CHECK-NEXT: jne .LBB14_2 |
| ; CHECK-NEXT: # BB#3: # %return |
| ; CHECK-NEXT: movl $192, %eax |
| ; CHECK-NEXT: retq |
| ; CHECK-NEXT: .LBB14_2: # %bb1 |
| ; CHECK-NEXT: movl $4, %eax |
| ; CHECK-NEXT: retq |
| entry: |
| %a = icmp ne i32 %P, -1 |
| %b = icmp ne i32 %Q, -1 |
| %c = or i1 %a, %b |
| br i1 %c, label %bb1, label %return |
| |
| bb1: |
| ret i32 4 |
| |
| return: |
| ret i32 192 |
| } |
| |
| define i32 @any_sign_bits_clear_branch(i32 %P, i32 %Q) nounwind { |
| ; CHECK-LABEL: any_sign_bits_clear_branch: |
| ; CHECK: # BB#0: # %entry |
| ; CHECK-NEXT: testl %edi, %edi |
| ; CHECK-NEXT: jns .LBB15_2 |
| ; CHECK-NEXT: # BB#1: # %entry |
| ; CHECK-NEXT: testl %esi, %esi |
| ; CHECK-NEXT: jns .LBB15_2 |
| ; CHECK-NEXT: # BB#3: # %return |
| ; CHECK-NEXT: movl $192, %eax |
| ; CHECK-NEXT: retq |
| ; CHECK-NEXT: .LBB15_2: # %bb1 |
| ; CHECK-NEXT: movl $4, %eax |
| ; CHECK-NEXT: retq |
| entry: |
| %a = icmp sgt i32 %P, -1 |
| %b = icmp sgt i32 %Q, -1 |
| %c = or i1 %a, %b |
| br i1 %c, label %bb1, label %return |
| |
| bb1: |
| ret i32 4 |
| |
| return: |
| ret i32 192 |
| } |
| |
| define zeroext i1 @ne_neg1_and_ne_zero(i64 %x) nounwind { |
| ; CHECK-LABEL: ne_neg1_and_ne_zero: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: incq %rdi |
| ; CHECK-NEXT: cmpq $1, %rdi |
| ; CHECK-NEXT: seta %al |
| ; CHECK-NEXT: retq |
| %cmp1 = icmp ne i64 %x, -1 |
| %cmp2 = icmp ne i64 %x, 0 |
| %and = and i1 %cmp1, %cmp2 |
| ret i1 %and |
| } |
| |
| ; PR32401 - https://bugs.llvm.org/show_bug.cgi?id=32401 |
| |
| define zeroext i1 @cmpeq_logical(i8 %a, i8 %b, i8 %c, i8 %d) nounwind { |
| ; CHECK-LABEL: cmpeq_logical: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: cmpb %sil, %dil |
| ; CHECK-NEXT: sete %sil |
| ; CHECK-NEXT: cmpb %cl, %dl |
| ; CHECK-NEXT: sete %al |
| ; CHECK-NEXT: andb %sil, %al |
| ; CHECK-NEXT: retq |
| %cmp1 = icmp eq i8 %a, %b |
| %cmp2 = icmp eq i8 %c, %d |
| %and = and i1 %cmp1, %cmp2 |
| ret i1 %and |
| } |
| |