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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=thumbv6m-eabi -asm-verbose=false %s -o - | FileCheck %s
define void @test8(i8* %a) {
; CHECK-LABEL: test8:
; CHECK: ldrb r1, [r0]
; CHECK-NEXT: mvns r1, r1
; CHECK-NEXT: strb r1, [r0]
; CHECK-NEXT: bx lr
%x = load i8, i8* %a
%xn = xor i8 %x, -1
store i8 %xn, i8* %a
ret void
}
define void @test8_2(i8* %a, i8* %b) {
; CHECK-LABEL: test8_2:
; CHECK: ldrb r2, [r1]
; CHECK-NEXT: ldrb r3, [r0]
; CHECK-NEXT: mvns r3, r3
; CHECK-NEXT: strb r3, [r0]
; CHECK-NEXT: mvns r0, r2
; CHECK-NEXT: strb r0, [r1]
; CHECK-NEXT: bx lr
%x = load i8, i8* %a
%y = load i8, i8* %b
%xn = xor i8 %x, -1
%yn = xor i8 %y, -1
store i8 %xn, i8* %a
store i8 %yn, i8* %b
ret void
}
define void @loop8(i8* %a) {
; CHECK-LABEL: loop8:
; CHECK: movs r1, #0
; CHECK-NEXT: .LBB2_1:
; CHECK-NEXT: ldrb r2, [r0, r1]
; CHECK-NEXT: mvns r2, r2
; CHECK-NEXT: strb r2, [r0, r1]
; CHECK-NEXT: adds r1, r1, #1
; CHECK-NEXT: cmp r1, #10
; CHECK-NEXT: bne .LBB2_1
; CHECK-NEXT: bx lr
entry:
br label %for.body
for.body:
%i = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i8, i8* %a, i32 %i
%x = load i8, i8* %arrayidx
%xn = xor i8 %x, -1
store i8 %xn, i8* %arrayidx
%inc = add nuw nsw i32 %i, 1
%exitcond = icmp eq i32 %inc, 10
br i1 %exitcond, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
}
define void @loop8_2(i8* %a, i8* %b) {
; CHECK-LABEL: loop8_2:
; CHECK: .save {r4, lr}
; CHECK-NEXT: push {r4, lr}
; CHECK-NEXT: movs r2, #0
; CHECK-NEXT: .LBB3_1:
; CHECK-NEXT: ldrb r3, [r1, r2]
; CHECK-NEXT: ldrb r4, [r0, r2]
; CHECK-NEXT: mvns r4, r4
; CHECK-NEXT: strb r4, [r0, r2]
; CHECK-NEXT: mvns r3, r3
; CHECK-NEXT: strb r3, [r1, r2]
; CHECK-NEXT: adds r2, r2, #1
; CHECK-NEXT: cmp r2, #10
; CHECK-NEXT: bne .LBB3_1
; CHECK-NEXT: pop {r4, pc}
entry:
br label %for.body
for.body:
%i = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i8, i8* %a, i32 %i
%arrayidx2 = getelementptr inbounds i8, i8* %b, i32 %i
%x = load i8, i8* %arrayidx
%y = load i8, i8* %arrayidx2
%xn = xor i8 %x, -1
%yn = xor i8 %y, -1
store i8 %xn, i8* %arrayidx
store i8 %yn, i8* %arrayidx2
%inc = add nuw nsw i32 %i, 1
%exitcond = icmp eq i32 %inc, 10
br i1 %exitcond, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
}
define void @test32(i32* %a) {
; CHECK-LABEL: test32:
; CHECK: ldr r1, [r0]
; CHECK-NEXT: mvns r1, r1
; CHECK-NEXT: str r1, [r0]
; CHECK-NEXT: bx lr
%x = load i32, i32* %a
%xn = xor i32 %x, -1
store i32 %xn, i32* %a
ret void
}
define void @test32_2(i32* %a, i32* %b) {
; CHECK-LABEL: test32_2:
; CHECK: ldr r2, [r1]
; CHECK-NEXT: ldr r3, [r0]
; CHECK-NEXT: mvns r3, r3
; CHECK-NEXT: str r3, [r0]
; CHECK-NEXT: mvns r0, r2
; CHECK-NEXT: str r0, [r1]
; CHECK-NEXT: bx lr
%x = load i32, i32* %a
%y = load i32, i32* %b
%xn = xor i32 %x, -1
%yn = xor i32 %y, -1
store i32 %xn, i32* %a
store i32 %yn, i32* %b
ret void
}
define void @loop32(i32* %a) {
; CHECK-LABEL: loop32:
; CHECK: movs r1, #0
; CHECK-NEXT: .LBB6_1:
; CHECK-NEXT: ldr r2, [r0, r1]
; CHECK-NEXT: mvns r2, r2
; CHECK-NEXT: str r2, [r0, r1]
; CHECK-NEXT: adds r1, r1, #4
; CHECK-NEXT: cmp r1, #40
; CHECK-NEXT: bne .LBB6_1
; CHECK-NEXT: bx lr
entry:
br label %for.body
for.body:
%i = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i32, i32* %a, i32 %i
%x = load i32, i32* %arrayidx
%xn = xor i32 %x, -1
store i32 %xn, i32* %arrayidx
%inc = add nuw nsw i32 %i, 1
%exitcond = icmp eq i32 %inc, 10
br i1 %exitcond, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
}
define void @loop32_2(i32* %a, i32* %b) {
; CHECK-LABEL: loop32_2:
; CHECK: .save {r4, lr}
; CHECK-NEXT: push {r4, lr}
; CHECK-NEXT: movs r2, #0
; CHECK-NEXT: .LBB7_1:
; CHECK-NEXT: ldr r3, [r1, r2]
; CHECK-NEXT: ldr r4, [r0, r2]
; CHECK-NEXT: mvns r4, r4
; CHECK-NEXT: str r4, [r0, r2]
; CHECK-NEXT: mvns r3, r3
; CHECK-NEXT: str r3, [r1, r2]
; CHECK-NEXT: adds r2, r2, #4
; CHECK-NEXT: cmp r2, #40
; CHECK-NEXT: bne .LBB7_1
; CHECK-NEXT: pop {r4, pc}
entry:
br label %for.body
for.body:
%i = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i32, i32* %a, i32 %i
%arrayidx2 = getelementptr inbounds i32, i32* %b, i32 %i
%x = load i32, i32* %arrayidx
%y = load i32, i32* %arrayidx2
%xn = xor i32 %x, -1
%yn = xor i32 %y, -1
store i32 %xn, i32* %arrayidx
store i32 %yn, i32* %arrayidx2
%inc = add nuw nsw i32 %i, 1
%exitcond = icmp eq i32 %inc, 10
br i1 %exitcond, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
}
define void @test128(i128* %a) {
; CHECK-LABEL: test128:
; CHECK: ldr r1, [r0, #8]
; CHECK-NEXT: ldr r2, .LCPI8_0
; CHECK-NEXT: eors r2, r1
; CHECK-NEXT: str r2, [r0, #8]
; CHECK-NEXT: ldr r1, [r0]
; CHECK-NEXT: ldr r2, .LCPI8_1
; CHECK-NEXT: eors r2, r1
; CHECK-NEXT: str r2, [r0]
; CHECK-NEXT: ldr r1, [r0, #4]
; CHECK-NEXT: ldr r2, .LCPI8_2
; CHECK-NEXT: eors r2, r1
; CHECK-NEXT: str r2, [r0, #4]
; CHECK-NEXT: bx lr
; CHECK-NEXT: .p2align 2
; CHECK-NEXT: .LCPI8_0:
; CHECK-NEXT: .long 6692605
; CHECK-NEXT: .LCPI8_1:
; CHECK-NEXT: .long 2080661269
; CHECK-NEXT: .LCPI8_2:
; CHECK-NEXT: .long 4075008415
%x = load i128, i128* %a
%xn = xor i128 %x, 123456789123456789123456789
store i128 %xn, i128* %a
ret void
}
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