Commit 2b6215f1 authored by Roger Ferrer Ibanez's avatar Roger Ferrer Ibanez
Browse files

[NFC] Add tests for boolean comparisons 

They currently show that the not equal case may be improved.

See PR42876

Differential Revision: https://reviews.llvm.org/D65801
parent d4319513

llvm/test/CodeGen/AArch64/cmp-bool.ll

0 → 100644
+45 −0
Original line number Diff line number Diff line 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py

; RUN: llc -mtriple=aarch64 < %s | FileCheck %s



define void @bool_eq(i1 zeroext %a, i1 zeroext %b, void ()* nocapture %c) nounwind {

; CHECK-LABEL: bool_eq:

; CHECK:       // %bb.0: // %entry

; CHECK-NEXT:    cmp w0, w1

; CHECK-NEXT:    b.eq .LBB0_2

; CHECK-NEXT:  // %bb.1: // %if.end

; CHECK-NEXT:    ret

; CHECK-NEXT:  .LBB0_2: // %if.then

; CHECK-NEXT:    br x2

entry:

  %0 = xor i1 %a, %b

  br i1 %0, label %if.end, label %if.then



if.then:

  tail call void %c() #1

  br label %if.end



if.end:

  ret void

}



define void @bool_ne(i1 zeroext %a, i1 zeroext %b, void ()* nocapture %c) nounwind {

; CHECK-LABEL: bool_ne:

; CHECK:       // %bb.0: // %entry

; CHECK-NEXT:    eor w8, w0, w1

; CHECK-NEXT:    cmp w8, #1 // =1

; CHECK-NEXT:    b.ne .LBB1_2

; CHECK-NEXT:  // %bb.1: // %if.then

; CHECK-NEXT:    br x2

; CHECK-NEXT:  .LBB1_2: // %if.end

; CHECK-NEXT:    ret

entry:

  %cmp = xor i1 %a, %b

  br i1 %cmp, label %if.then, label %if.end



if.then:

  tail call void %c() #1

  br label %if.end



if.end:

  ret void

}

llvm/test/CodeGen/ARM/cmp-bool.ll

0 → 100644
+77 −0
Original line number Diff line number Diff line 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py

; RUN: llc -mtriple=armv7a < %s | FileCheck %s --check-prefix=ARM

; RUN: llc -mtriple=armv6m < %s | FileCheck %s --check-prefix=THUMB

; RUN: llc -mtriple=armv7m < %s | FileCheck %s --check-prefix=THUMB2



define void @bool_eq(i1 zeroext %a, i1 zeroext %b, void ()* nocapture %c) nounwind {

; ARM-LABEL: bool_eq:

; ARM:       @ %bb.0: @ %entry

; ARM-NEXT:    cmp r0, r1

; ARM-NEXT:    bxne lr

; ARM-NEXT:    bx r2

;

; THUMB-LABEL: bool_eq:

; THUMB:       @ %bb.0: @ %entry

; THUMB-NEXT:    push {r7, lr}

; THUMB-NEXT:    cmp r0, r1

; THUMB-NEXT:    bne .LBB0_2

; THUMB-NEXT:  @ %bb.1: @ %if.then

; THUMB-NEXT:    blx r2

; THUMB-NEXT:  .LBB0_2: @ %if.end

; THUMB-NEXT:    pop {r7, pc}

;

; THUMB2-LABEL: bool_eq:

; THUMB2:       @ %bb.0: @ %entry

; THUMB2-NEXT:    cmp r0, r1

; THUMB2-NEXT:    it ne

; THUMB2-NEXT:    bxne lr

; THUMB2-NEXT:    bx r2

entry:

  %0 = xor i1 %a, %b

  br i1 %0, label %if.end, label %if.then



if.then:

  tail call void %c() #1

  br label %if.end



if.end:

  ret void

}



define void @bool_ne(i1 zeroext %a, i1 zeroext %b, void ()* nocapture %c) nounwind {

; ARM-LABEL: bool_ne:

; ARM:       @ %bb.0: @ %entry

; ARM-NEXT:    eor r0, r0, r1

; ARM-NEXT:    cmp r0, #1

; ARM-NEXT:    bxne lr

; ARM-NEXT:    bx r2

;

; THUMB-LABEL: bool_ne:

; THUMB:       @ %bb.0: @ %entry

; THUMB-NEXT:    push {r7, lr}

; THUMB-NEXT:    eors r0, r1

; THUMB-NEXT:    cmp r0, #1

; THUMB-NEXT:    bne .LBB1_2

; THUMB-NEXT:  @ %bb.1: @ %if.then

; THUMB-NEXT:    blx r2

; THUMB-NEXT:  .LBB1_2: @ %if.end

; THUMB-NEXT:    pop {r7, pc}

;

; THUMB2-LABEL: bool_ne:

; THUMB2:       @ %bb.0: @ %entry

; THUMB2-NEXT:    eors r0, r1

; THUMB2-NEXT:    cmp r0, #1

; THUMB2-NEXT:    it ne

; THUMB2-NEXT:    bxne lr

; THUMB2-NEXT:    bx r2

entry:

  %cmp = xor i1 %a, %b

  br i1 %cmp, label %if.then, label %if.end



if.then:

  tail call void %c() #1

  br label %if.end



if.end:

  ret void

}

llvm/test/CodeGen/RISCV/cmp-bool.ll

0 → 100644
+63 −0
Original line number Diff line number Diff line 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py

; RUN: llc -mtriple=riscv32 < %s | FileCheck --check-prefix=RV32 %s

; RUN: llc -mtriple=riscv64 < %s | FileCheck --check-prefix=RV64 %s



define void @bool_eq(i1 zeroext %a, i1 zeroext %b, void ()* nocapture %c) nounwind {

; RV32-LABEL: bool_eq:

; RV32:       # %bb.0: # %entry

; RV32-NEXT:    beq a0, a1, .LBB0_2

; RV32-NEXT:  # %bb.1: # %if.end

; RV32-NEXT:    ret

; RV32-NEXT:  .LBB0_2: # %if.then

; RV32-NEXT:    jr a2

;

; RV64-LABEL: bool_eq:

; RV64:       # %bb.0: # %entry

; RV64-NEXT:    beq a0, a1, .LBB0_2

; RV64-NEXT:  # %bb.1: # %if.end

; RV64-NEXT:    ret

; RV64-NEXT:  .LBB0_2: # %if.then

; RV64-NEXT:    jr a2

entry:

  %0 = xor i1 %a, %b

  br i1 %0, label %if.end, label %if.then



if.then:

  tail call void %c() #1

  br label %if.end



if.end:

  ret void

}



define void @bool_ne(i1 zeroext %a, i1 zeroext %b, void ()* nocapture %c) nounwind {

; RV32-LABEL: bool_ne:

; RV32:       # %bb.0: # %entry

; RV32-NEXT:    xor a0, a0, a1

; RV32-NEXT:    addi a1, zero, 1

; RV32-NEXT:    bne a0, a1, .LBB1_2

; RV32-NEXT:  # %bb.1: # %if.then

; RV32-NEXT:    jr a2

; RV32-NEXT:  .LBB1_2: # %if.end

; RV32-NEXT:    ret

;

; RV64-LABEL: bool_ne:

; RV64:       # %bb.0: # %entry

; RV64-NEXT:    xor a0, a0, a1

; RV64-NEXT:    addi a1, zero, 1

; RV64-NEXT:    bne a0, a1, .LBB1_2

; RV64-NEXT:  # %bb.1: # %if.then

; RV64-NEXT:    jr a2

; RV64-NEXT:  .LBB1_2: # %if.end

; RV64-NEXT:    ret

entry:

  %cmp = xor i1 %a, %b

  br i1 %cmp, label %if.then, label %if.end



if.then:

  tail call void %c() #1

  br label %if.end



if.end:

  ret void

}

llvm/test/CodeGen/X86/cmp-bool.ll

0 → 100644
+45 −0
Original line number Diff line number Diff line 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py

; RUN: llc -mtriple=x86_64 < %s | FileCheck %s



define void @bool_eq(i1 zeroext %a, i1 zeroext %b, void ()* nocapture %c) nounwind {

; CHECK-LABEL: bool_eq:

; CHECK:       # %bb.0: # %entry

; CHECK-NEXT:    xorl %esi, %edi

; CHECK-NEXT:    je .LBB0_2

; CHECK-NEXT:  # %bb.1: # %if.end

; CHECK-NEXT:    retq

; CHECK-NEXT:  .LBB0_2: # %if.then

; CHECK-NEXT:    jmpq *%rdx # TAILCALL

entry:

  %0 = xor i1 %a, %b

  br i1 %0, label %if.end, label %if.then



if.then:

  tail call void %c() #1

  br label %if.end



if.end:

  ret void

}



define void @bool_ne(i1 zeroext %a, i1 zeroext %b, void ()* nocapture %c) nounwind {

; CHECK-LABEL: bool_ne:

; CHECK:       # %bb.0: # %entry

; CHECK-NEXT:    xorl %esi, %edi

; CHECK-NEXT:    cmpb $1, %dil

; CHECK-NEXT:    jne .LBB1_1

; CHECK-NEXT:  # %bb.2: # %if.then

; CHECK-NEXT:    jmpq *%rdx # TAILCALL

; CHECK-NEXT:  .LBB1_1: # %if.end

; CHECK-NEXT:    retq

entry:

  %cmp = xor i1 %a, %b

  br i1 %cmp, label %if.then, label %if.end



if.then:

  tail call void %c() #1

  br label %if.end



if.end:

  ret void

}