; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=armv6 < %s | FileCheck %s --check-prefixes=ARM,ARM6
; RUN: llc -mtriple=armv7 < %s | FileCheck %s --check-prefixes=ARM,ARM78
; RUN: llc -mtriple=armv8a < %s | FileCheck %s --check-prefixes=ARM,ARM78
; RUN: llc -mtriple=thumbv6 < %s | FileCheck %s --check-prefixes=THUMB,THUMB6
; RUN: llc -mtriple=thumbv7 < %s | FileCheck %s --check-prefixes=THUMB,THUMB78
; RUN: llc -mtriple=thumbv8-eabi < %s | FileCheck %s --check-prefixes=THUMB,THUMB78
; We are looking for the following pattern here:
; (X & (C l>> Y)) ==/!= 0
; It may be optimal to hoist the constant:
; ((X << Y) & C) ==/!= 0
;------------------------------------------------------------------------------;
; A few scalar test
;------------------------------------------------------------------------------;
; i8 scalar
define i1 @scalar_i8_signbit_eq(i8 %x, i8 %y) nounwind {
; ARM-LABEL: scalar_i8_signbit_eq:
; ARM: @ %bb.0:
; ARM-NEXT: uxtb r1, r1
; ARM-NEXT: lsl r0, r0, r1
; ARM-NEXT: mov r1, #1
; ARM-NEXT: uxtb r0, r0
; ARM-NEXT: eor r0, r1, r0, lsr #7
; ARM-NEXT: bx lr
;
; THUMB6-LABEL: scalar_i8_signbit_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: uxtb r1, r1
; THUMB6-NEXT: lsls r0, r1
; THUMB6-NEXT: movs r1, #128
; THUMB6-NEXT: ands r0, r1
; THUMB6-NEXT: rsbs r1, r0, #0
; THUMB6-NEXT: adcs r0, r1
; THUMB6-NEXT: bx lr
;
; THUMB78-LABEL: scalar_i8_signbit_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: uxtb r1, r1
; THUMB78-NEXT: lsls r0, r1
; THUMB78-NEXT: movs r1, #1
; THUMB78-NEXT: uxtb r0, r0
; THUMB78-NEXT: eor.w r0, r1, r0, lsr #7
; THUMB78-NEXT: bx lr
%t0 = lshr i8 128, %y
%t1 = and i8 %t0, %x
%res = icmp eq i8 %t1, 0
ret i1 %res
}
define i1 @scalar_i8_lowestbit_eq(i8 %x, i8 %y) nounwind {
; ARM-LABEL: scalar_i8_lowestbit_eq:
; ARM: @ %bb.0:
; ARM-NEXT: uxtb r1, r1
; ARM-NEXT: mov r2, #1
; ARM-NEXT: bic r0, r2, r0, lsl r1
; ARM-NEXT: bx lr
;
; THUMB6-LABEL: scalar_i8_lowestbit_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: uxtb r1, r1
; THUMB6-NEXT: lsls r0, r1
; THUMB6-NEXT: movs r1, #1
; THUMB6-NEXT: ands r0, r1
; THUMB6-NEXT: rsbs r1, r0, #0
; THUMB6-NEXT: adcs r0, r1
; THUMB6-NEXT: bx lr
;
; THUMB78-LABEL: scalar_i8_lowestbit_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: uxtb r1, r1
; THUMB78-NEXT: lsls r0, r1
; THUMB78-NEXT: movs r1, #1
; THUMB78-NEXT: bic.w r0, r1, r0
; THUMB78-NEXT: bx lr
%t0 = lshr i8 1, %y
%t1 = and i8 %t0, %x
%res = icmp eq i8 %t1, 0
ret i1 %res
}
define i1 @scalar_i8_bitsinmiddle_eq(i8 %x, i8 %y) nounwind {
; ARM-LABEL: scalar_i8_bitsinmiddle_eq:
; ARM: @ %bb.0:
; ARM-NEXT: uxtb r1, r1
; ARM-NEXT: mov r2, #24
; ARM-NEXT: and r0, r2, r0, lsl r1
; ARM-NEXT: clz r0, r0
; ARM-NEXT: lsr r0, r0, #5
; ARM-NEXT: bx lr
;
; THUMB6-LABEL: scalar_i8_bitsinmiddle_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: uxtb r1, r1
; THUMB6-NEXT: lsls r0, r1
; THUMB6-NEXT: movs r1, #24
; THUMB6-NEXT: ands r0, r1
; THUMB6-NEXT: rsbs r1, r0, #0
; THUMB6-NEXT: adcs r0, r1
; THUMB6-NEXT: bx lr
;
; THUMB78-LABEL: scalar_i8_bitsinmiddle_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: uxtb r1, r1
; THUMB78-NEXT: lsls r0, r1
; THUMB78-NEXT: and r0, r0, #24
; THUMB78-NEXT: clz r0, r0
; THUMB78-NEXT: lsrs r0, r0, #5
; THUMB78-NEXT: bx lr
%t0 = lshr i8 24, %y
%t1 = and i8 %t0, %x
%res = icmp eq i8 %t1, 0
ret i1 %res
}
; i16 scalar
define i1 @scalar_i16_signbit_eq(i16 %x, i16 %y) nounwind {
; ARM-LABEL: scalar_i16_signbit_eq:
; ARM: @ %bb.0:
; ARM-NEXT: uxth r1, r1
; ARM-NEXT: lsl r0, r0, r1
; ARM-NEXT: mov r1, #1
; ARM-NEXT: uxth r0, r0
; ARM-NEXT: eor r0, r1, r0, lsr #15
; ARM-NEXT: bx lr
;
; THUMB6-LABEL: scalar_i16_signbit_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: uxth r1, r1
; THUMB6-NEXT: lsls r0, r1
; THUMB6-NEXT: movs r1, #1
; THUMB6-NEXT: lsls r1, r1, #15
; THUMB6-NEXT: ands r0, r1
; THUMB6-NEXT: rsbs r1, r0, #0
; THUMB6-NEXT: adcs r0, r1
; THUMB6-NEXT: bx lr
;
; THUMB78-LABEL: scalar_i16_signbit_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: uxth r1, r1
; THUMB78-NEXT: lsls r0, r1
; THUMB78-NEXT: movs r1, #1
; THUMB78-NEXT: uxth r0, r0
; THUMB78-NEXT: eor.w r0, r1, r0, lsr #15
; THUMB78-NEXT: bx lr
%t0 = lshr i16 32768, %y
%t1 = and i16 %t0, %x
%res = icmp eq i16 %t1, 0
ret i1 %res
}
define i1 @scalar_i16_lowestbit_eq(i16 %x, i16 %y) nounwind {
; ARM-LABEL: scalar_i16_lowestbit_eq:
; ARM: @ %bb.0:
; ARM-NEXT: uxth r1, r1
; ARM-NEXT: mov r2, #1
; ARM-NEXT: bic r0, r2, r0, lsl r1
; ARM-NEXT: bx lr
;
; THUMB6-LABEL: scalar_i16_lowestbit_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: uxth r1, r1
; THUMB6-NEXT: lsls r0, r1
; THUMB6-NEXT: movs r1, #1
; THUMB6-NEXT: ands r0, r1
; THUMB6-NEXT: rsbs r1, r0, #0
; THUMB6-NEXT: adcs r0, r1
; THUMB6-NEXT: bx lr
;
; THUMB78-LABEL: scalar_i16_lowestbit_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: uxth r1, r1
; THUMB78-NEXT: lsls r0, r1
; THUMB78-NEXT: movs r1, #1
; THUMB78-NEXT: bic.w r0, r1, r0
; THUMB78-NEXT: bx lr
%t0 = lshr i16 1, %y
%t1 = and i16 %t0, %x
%res = icmp eq i16 %t1, 0
ret i1 %res
}
define i1 @scalar_i16_bitsinmiddle_eq(i16 %x, i16 %y) nounwind {
; ARM-LABEL: scalar_i16_bitsinmiddle_eq:
; ARM: @ %bb.0:
; ARM-NEXT: uxth r1, r1
; ARM-NEXT: mov r2, #4080
; ARM-NEXT: and r0, r2, r0, lsl r1
; ARM-NEXT: clz r0, r0
; ARM-NEXT: lsr r0, r0, #5
; ARM-NEXT: bx lr
;
; THUMB6-LABEL: scalar_i16_bitsinmiddle_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: uxth r1, r1
; THUMB6-NEXT: lsls r0, r1
; THUMB6-NEXT: movs r1, #255
; THUMB6-NEXT: lsls r1, r1, #4
; THUMB6-NEXT: ands r0, r1
; THUMB6-NEXT: rsbs r1, r0, #0
; THUMB6-NEXT: adcs r0, r1
; THUMB6-NEXT: bx lr
;
; THUMB78-LABEL: scalar_i16_bitsinmiddle_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: uxth r1, r1
; THUMB78-NEXT: lsls r0, r1
; THUMB78-NEXT: and r0, r0, #4080
; THUMB78-NEXT: clz r0, r0
; THUMB78-NEXT: lsrs r0, r0, #5
; THUMB78-NEXT: bx lr
%t0 = lshr i16 4080, %y
%t1 = and i16 %t0, %x
%res = icmp eq i16 %t1, 0
ret i1 %res
}
; i32 scalar
define i1 @scalar_i32_signbit_eq(i32 %x, i32 %y) nounwind {
; ARM-LABEL: scalar_i32_signbit_eq:
; ARM: @ %bb.0:
; ARM-NEXT: mvn r0, r0, lsl r1
; ARM-NEXT: lsr r0, r0, #31
; ARM-NEXT: bx lr
;
; THUMB6-LABEL: scalar_i32_signbit_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: lsls r0, r1
; THUMB6-NEXT: movs r1, #1
; THUMB6-NEXT: lsls r1, r1, #31
; THUMB6-NEXT: ands r0, r1
; THUMB6-NEXT: rsbs r1, r0, #0
; THUMB6-NEXT: adcs r0, r1
; THUMB6-NEXT: bx lr
;
; THUMB78-LABEL: scalar_i32_signbit_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: lsls r0, r1
; THUMB78-NEXT: mvns r0, r0
; THUMB78-NEXT: lsrs r0, r0, #31
; THUMB78-NEXT: bx lr
%t0 = lshr i32 2147483648, %y
%t1 = and i32 %t0, %x
%res = icmp eq i32 %t1, 0
ret i1 %res
}
define i1 @scalar_i32_lowestbit_eq(i32 %x, i32 %y) nounwind {
; ARM-LABEL: scalar_i32_lowestbit_eq:
; ARM: @ %bb.0:
; ARM-NEXT: mov r2, #1
; ARM-NEXT: bic r0, r2, r0, lsl r1
; ARM-NEXT: bx lr
;
; THUMB6-LABEL: scalar_i32_lowestbit_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: lsls r0, r1
; THUMB6-NEXT: movs r1, #1
; THUMB6-NEXT: ands r0, r1
; THUMB6-NEXT: rsbs r1, r0, #0
; THUMB6-NEXT: adcs r0, r1
; THUMB6-NEXT: bx lr
;
; THUMB78-LABEL: scalar_i32_lowestbit_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: lsls r0, r1
; THUMB78-NEXT: movs r1, #1
; THUMB78-NEXT: bic.w r0, r1, r0
; THUMB78-NEXT: bx lr
%t0 = lshr i32 1, %y
%t1 = and i32 %t0, %x
%res = icmp eq i32 %t1, 0
ret i1 %res
}
define i1 @scalar_i32_bitsinmiddle_eq(i32 %x, i32 %y) nounwind {
; ARM6-LABEL: scalar_i32_bitsinmiddle_eq:
; ARM6: @ %bb.0:
; ARM6-NEXT: mov r2, #65280
; ARM6-NEXT: orr r2, r2, #16711680
; ARM6-NEXT: and r0, r2, r0, lsl r1
; ARM6-NEXT: clz r0, r0
; ARM6-NEXT: lsr r0, r0, #5
; ARM6-NEXT: bx lr
;
; ARM78-LABEL: scalar_i32_bitsinmiddle_eq:
; ARM78: @ %bb.0:
; ARM78-NEXT: movw r2, #65280
; ARM78-NEXT: movt r2, #255
; ARM78-NEXT: and r0, r2, r0, lsl r1
; ARM78-NEXT: clz r0, r0
; ARM78-NEXT: lsr r0, r0, #5
; ARM78-NEXT: bx lr
;
; THUMB6-LABEL: scalar_i32_bitsinmiddle_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: lsls r0, r1
; THUMB6-NEXT: ldr r1, .LCPI8_0
; THUMB6-NEXT: ands r0, r1
; THUMB6-NEXT: rsbs r1, r0, #0
; THUMB6-NEXT: adcs r0, r1
; THUMB6-NEXT: bx lr
; THUMB6-NEXT: .p2align 2
; THUMB6-NEXT: @ %bb.1:
; THUMB6-NEXT: .LCPI8_0:
; THUMB6-NEXT: .long 16776960 @ 0xffff00
;
; THUMB78-LABEL: scalar_i32_bitsinmiddle_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: lsls r0, r1
; THUMB78-NEXT: movw r1, #65280
; THUMB78-NEXT: movt r1, #255
; THUMB78-NEXT: ands r0, r1
; THUMB78-NEXT: clz r0, r0
; THUMB78-NEXT: lsrs r0, r0, #5
; THUMB78-NEXT: bx lr
%t0 = lshr i32 16776960, %y
%t1 = and i32 %t0, %x
%res = icmp eq i32 %t1, 0
ret i1 %res
}
; i64 scalar
define i1 @scalar_i64_signbit_eq(i64 %x, i64 %y) nounwind {
; ARM-LABEL: scalar_i64_signbit_eq:
; ARM: @ %bb.0:
; ARM-NEXT: rsb r3, r2, #32
; ARM-NEXT: lsr r3, r0, r3
; ARM-NEXT: orr r1, r3, r1, lsl r2
; ARM-NEXT: subs r2, r2, #32
; ARM-NEXT: lslpl r1, r0, r2
; ARM-NEXT: mvn r0, r1
; ARM-NEXT: lsr r0, r0, #31
; ARM-NEXT: bx lr
;
; THUMB6-LABEL: scalar_i64_signbit_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: push {r7, lr}
; THUMB6-NEXT: bl __ashldi3
; THUMB6-NEXT: movs r0, #1
; THUMB6-NEXT: lsls r2, r0, #31
; THUMB6-NEXT: ands r2, r1
; THUMB6-NEXT: rsbs r0, r2, #0
; THUMB6-NEXT: adcs r0, r2
; THUMB6-NEXT: pop {r7, pc}
;
; THUMB78-LABEL: scalar_i64_signbit_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: rsb.w r3, r2, #32
; THUMB78-NEXT: lsls r1, r2
; THUMB78-NEXT: subs r2, #32
; THUMB78-NEXT: lsr.w r3, r0, r3
; THUMB78-NEXT: orr.w r1, r1, r3
; THUMB78-NEXT: it pl
; THUMB78-NEXT: lslpl.w r1, r0, r2
; THUMB78-NEXT: mvns r0, r1
; THUMB78-NEXT: lsrs r0, r0, #31
; THUMB78-NEXT: bx lr
%t0 = lshr i64 9223372036854775808, %y
%t1 = and i64 %t0, %x
%res = icmp eq i64 %t1, 0
ret i1 %res
}
define i1 @scalar_i64_lowestbit_eq(i64 %x, i64 %y) nounwind {
; ARM6-LABEL: scalar_i64_lowestbit_eq:
; ARM6: @ %bb.0:
; ARM6-NEXT: subs r1, r2, #32
; ARM6-NEXT: lsl r0, r0, r2
; ARM6-NEXT: movpl r0, #0
; ARM6-NEXT: mov r1, #1
; ARM6-NEXT: bic r0, r1, r0
; ARM6-NEXT: bx lr
;
; ARM78-LABEL: scalar_i64_lowestbit_eq:
; ARM78: @ %bb.0:
; ARM78-NEXT: subs r1, r2, #32
; ARM78-NEXT: lsl r0, r0, r2
; ARM78-NEXT: movwpl r0, #0
; ARM78-NEXT: mov r1, #1
; ARM78-NEXT: bic r0, r1, r0
; ARM78-NEXT: bx lr
;
; THUMB6-LABEL: scalar_i64_lowestbit_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: push {r7, lr}
; THUMB6-NEXT: bl __ashldi3
; THUMB6-NEXT: movs r1, #1
; THUMB6-NEXT: ands r0, r1
; THUMB6-NEXT: rsbs r1, r0, #0
; THUMB6-NEXT: adcs r0, r1
; THUMB6-NEXT: pop {r7, pc}
;
; THUMB78-LABEL: scalar_i64_lowestbit_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: lsls r0, r2
; THUMB78-NEXT: subs.w r1, r2, #32
; THUMB78-NEXT: it pl
; THUMB78-NEXT: movpl r0, #0
; THUMB78-NEXT: movs r1, #1
; THUMB78-NEXT: bic.w r0, r1, r0
; THUMB78-NEXT: bx lr
%t0 = lshr i64 1, %y
%t1 = and i64 %t0, %x
%res = icmp eq i64 %t1, 0
ret i1 %res
}
define i1 @scalar_i64_bitsinmiddle_eq(i64 %x, i64 %y) nounwind {
; ARM6-LABEL: scalar_i64_bitsinmiddle_eq:
; ARM6: @ %bb.0:
; ARM6-NEXT: rsb r3, r2, #32
; ARM6-NEXT: lsr r3, r0, r3
; ARM6-NEXT: orr r1, r3, r1, lsl r2
; ARM6-NEXT: subs r3, r2, #32
; ARM6-NEXT: lslpl r1, r0, r3
; ARM6-NEXT: lsl r0, r0, r2
; ARM6-NEXT: movpl r0, #0
; ARM6-NEXT: pkhbt r0, r1, r0
; ARM6-NEXT: clz r0, r0
; ARM6-NEXT: lsr r0, r0, #5
; ARM6-NEXT: bx lr
;
; ARM78-LABEL: scalar_i64_bitsinmiddle_eq:
; ARM78: @ %bb.0:
; ARM78-NEXT: rsb r3, r2, #32
; ARM78-NEXT: lsr r3, r0, r3
; ARM78-NEXT: orr r1, r3, r1, lsl r2
; ARM78-NEXT: subs r3, r2, #32
; ARM78-NEXT: lslpl r1, r0, r3
; ARM78-NEXT: lsl r0, r0, r2
; ARM78-NEXT: movwpl r0, #0
; ARM78-NEXT: pkhbt r0, r1, r0
; ARM78-NEXT: clz r0, r0
; ARM78-NEXT: lsr r0, r0, #5
; ARM78-NEXT: bx lr
;
; THUMB6-LABEL: scalar_i64_bitsinmiddle_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: push {r7, lr}
; THUMB6-NEXT: bl __ashldi3
; THUMB6-NEXT: ldr r2, .LCPI11_0
; THUMB6-NEXT: ands r2, r0
; THUMB6-NEXT: uxth r0, r1
; THUMB6-NEXT: adds r1, r2, r0
; THUMB6-NEXT: rsbs r0, r1, #0
; THUMB6-NEXT: adcs r0, r1
; THUMB6-NEXT: pop {r7, pc}
; THUMB6-NEXT: .p2align 2
; THUMB6-NEXT: @ %bb.1:
; THUMB6-NEXT: .LCPI11_0:
; THUMB6-NEXT: .long 4294901760 @ 0xffff0000
;
; THUMB78-LABEL: scalar_i64_bitsinmiddle_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: rsb.w r3, r2, #32
; THUMB78-NEXT: lsls r1, r2
; THUMB78-NEXT: lsr.w r3, r0, r3
; THUMB78-NEXT: orrs r1, r3
; THUMB78-NEXT: subs.w r3, r2, #32
; THUMB78-NEXT: it pl
; THUMB78-NEXT: lslpl.w r1, r0, r3
; THUMB78-NEXT: lsl.w r0, r0, r2
; THUMB78-NEXT: it pl
; THUMB78-NEXT: movpl r0, #0
; THUMB78-NEXT: pkhbt r0, r1, r0
; THUMB78-NEXT: clz r0, r0
; THUMB78-NEXT: lsrs r0, r0, #5
; THUMB78-NEXT: bx lr
%t0 = lshr i64 281474976645120, %y
%t1 = and i64 %t0, %x
%res = icmp eq i64 %t1, 0
ret i1 %res
}
;------------------------------------------------------------------------------;
; A few trivial vector tests
;------------------------------------------------------------------------------;
define <4 x i1> @vec_4xi32_splat_eq(<4 x i32> %x, <4 x i32> %y) nounwind {
; ARM6-LABEL: vec_4xi32_splat_eq:
; ARM6: @ %bb.0:
; ARM6-NEXT: push {r11, lr}
; ARM6-NEXT: ldr r12, [sp, #8]
; ARM6-NEXT: mov lr, #1
; ARM6-NEXT: bic r0, lr, r0, lsl r12
; ARM6-NEXT: ldr r12, [sp, #12]
; ARM6-NEXT: bic r1, lr, r1, lsl r12
; ARM6-NEXT: ldr r12, [sp, #16]
; ARM6-NEXT: bic r2, lr, r2, lsl r12
; ARM6-NEXT: ldr r12, [sp, #20]
; ARM6-NEXT: bic r3, lr, r3, lsl r12
; ARM6-NEXT: pop {r11, pc}
;
; ARM78-LABEL: vec_4xi32_splat_eq:
; ARM78: @ %bb.0:
; ARM78-NEXT: vmov d17, r2, r3
; ARM78-NEXT: mov r12, sp
; ARM78-NEXT: vld1.64 {d18, d19}, [r12]
; ARM78-NEXT: vmov d16, r0, r1
; ARM78-NEXT: vmov.i32 q10, #0x1
; ARM78-NEXT: vshl.u32 q8, q8, q9
; ARM78-NEXT: vtst.32 q8, q8, q10
; ARM78-NEXT: vmvn q8, q8
; ARM78-NEXT: vmovn.i32 d16, q8
; ARM78-NEXT: vmov r0, r1, d16
; ARM78-NEXT: bx lr
;
; THUMB6-LABEL: vec_4xi32_splat_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: push {r4, r5, r7, lr}
; THUMB6-NEXT: ldr r4, [sp, #16]
; THUMB6-NEXT: lsls r0, r4
; THUMB6-NEXT: movs r4, #1
; THUMB6-NEXT: ands r0, r4
; THUMB6-NEXT: rsbs r5, r0, #0
; THUMB6-NEXT: adcs r0, r5
; THUMB6-NEXT: ldr r5, [sp, #20]
; THUMB6-NEXT: lsls r1, r5
; THUMB6-NEXT: ands r1, r4
; THUMB6-NEXT: rsbs r5, r1, #0
; THUMB6-NEXT: adcs r1, r5
; THUMB6-NEXT: ldr r5, [sp, #24]
; THUMB6-NEXT: lsls r2, r5
; THUMB6-NEXT: ands r2, r4
; THUMB6-NEXT: rsbs r5, r2, #0
; THUMB6-NEXT: adcs r2, r5
; THUMB6-NEXT: ldr r5, [sp, #28]
; THUMB6-NEXT: lsls r3, r5
; THUMB6-NEXT: ands r3, r4
; THUMB6-NEXT: rsbs r4, r3, #0
; THUMB6-NEXT: adcs r3, r4
; THUMB6-NEXT: pop {r4, r5, r7, pc}
;
; THUMB78-LABEL: vec_4xi32_splat_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: vmov d17, r2, r3
; THUMB78-NEXT: mov r12, sp
; THUMB78-NEXT: vld1.64 {d18, d19}, [r12]
; THUMB78-NEXT: vmov d16, r0, r1
; THUMB78-NEXT: vmov.i32 q10, #0x1
; THUMB78-NEXT: vshl.u32 q8, q8, q9
; THUMB78-NEXT: vtst.32 q8, q8, q10
; THUMB78-NEXT: vmvn q8, q8
; THUMB78-NEXT: vmovn.i32 d16, q8
; THUMB78-NEXT: vmov r0, r1, d16
; THUMB78-NEXT: bx lr
%t0 = lshr <4 x i32> <i32 1, i32 1, i32 1, i32 1>, %y
%t1 = and <4 x i32> %t0, %x
%res = icmp eq <4 x i32> %t1, <i32 0, i32 0, i32 0, i32 0>
ret <4 x i1> %res
}
define <4 x i1> @vec_4xi32_nonsplat_eq(<4 x i32> %x, <4 x i32> %y) nounwind {
; ARM6-LABEL: vec_4xi32_nonsplat_eq:
; ARM6: @ %bb.0:
; ARM6-NEXT: ldr r12, [sp, #4]
; ARM6-NEXT: mov r0, #1
; ARM6-NEXT: bic r1, r0, r1, lsl r12
; ARM6-NEXT: ldr r12, [sp, #8]
; ARM6-NEXT: mov r0, #65280
; ARM6-NEXT: orr r0, r0, #16711680
; ARM6-NEXT: and r0, r0, r2, lsl r12
; ARM6-NEXT: clz r0, r0
; ARM6-NEXT: lsr r2, r0, #5
; ARM6-NEXT: ldr r0, [sp, #12]
; ARM6-NEXT: mvn r0, r3, lsl r0
; ARM6-NEXT: lsr r3, r0, #31
; ARM6-NEXT: mov r0, #1
; ARM6-NEXT: bx lr
;
; ARM78-LABEL: vec_4xi32_nonsplat_eq:
; ARM78: @ %bb.0:
; ARM78-NEXT: mov r12, sp
; ARM78-NEXT: vld1.64 {d16, d17}, [r12]
; ARM78-NEXT: adr r12, .LCPI13_0
; ARM78-NEXT: vneg.s32 q8, q8
; ARM78-NEXT: vld1.64 {d18, d19}, [r12:128]
; ARM78-NEXT: vshl.u32 q8, q9, q8
; ARM78-NEXT: vmov d19, r2, r3
; ARM78-NEXT: vmov d18, r0, r1
; ARM78-NEXT: vtst.32 q8, q8, q9
; ARM78-NEXT: vmvn q8, q8
; ARM78-NEXT: vmovn.i32 d16, q8
; ARM78-NEXT: vmov r0, r1, d16
; ARM78-NEXT: bx lr
; ARM78-NEXT: .p2align 4
; ARM78-NEXT: @ %bb.1:
; ARM78-NEXT: .LCPI13_0:
; ARM78-NEXT: .long 0 @ 0x0
; ARM78-NEXT: .long 1 @ 0x1
; ARM78-NEXT: .long 16776960 @ 0xffff00
; ARM78-NEXT: .long 2147483648 @ 0x80000000
;
; THUMB6-LABEL: vec_4xi32_nonsplat_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: push {r4, lr}
; THUMB6-NEXT: ldr r0, [sp, #12]
; THUMB6-NEXT: lsls r1, r0
; THUMB6-NEXT: movs r0, #1
; THUMB6-NEXT: ands r1, r0
; THUMB6-NEXT: rsbs r4, r1, #0
; THUMB6-NEXT: adcs r1, r4
; THUMB6-NEXT: ldr r4, [sp, #16]
; THUMB6-NEXT: lsls r2, r4
; THUMB6-NEXT: ldr r4, .LCPI13_0
; THUMB6-NEXT: ands r2, r4
; THUMB6-NEXT: rsbs r4, r2, #0
; THUMB6-NEXT: adcs r2, r4
; THUMB6-NEXT: ldr r4, [sp, #20]
; THUMB6-NEXT: lsls r3, r4
; THUMB6-NEXT: lsls r4, r0, #31
; THUMB6-NEXT: ands r3, r4
; THUMB6-NEXT: rsbs r4, r3, #0
; THUMB6-NEXT: adcs r3, r4
; THUMB6-NEXT: pop {r4, pc}
; THUMB6-NEXT: .p2align 2
; THUMB6-NEXT: @ %bb.1:
; THUMB6-NEXT: .LCPI13_0:
; THUMB6-NEXT: .long 16776960 @ 0xffff00
;
; THUMB78-LABEL: vec_4xi32_nonsplat_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: mov r12, sp
; THUMB78-NEXT: vld1.64 {d16, d17}, [r12]
; THUMB78-NEXT: adr.w r12, .LCPI13_0
; THUMB78-NEXT: vneg.s32 q8, q8
; THUMB78-NEXT: vld1.64 {d18, d19}, [r12:128]
; THUMB78-NEXT: vshl.u32 q8, q9, q8
; THUMB78-NEXT: vmov d19, r2, r3
; THUMB78-NEXT: vmov d18, r0, r1
; THUMB78-NEXT: vtst.32 q8, q8, q9
; THUMB78-NEXT: vmvn q8, q8
; THUMB78-NEXT: vmovn.i32 d16, q8
; THUMB78-NEXT: vmov r0, r1, d16
; THUMB78-NEXT: bx lr
; THUMB78-NEXT: .p2align 4
; THUMB78-NEXT: @ %bb.1:
; THUMB78-NEXT: .LCPI13_0:
; THUMB78-NEXT: .long 0 @ 0x0
; THUMB78-NEXT: .long 1 @ 0x1
; THUMB78-NEXT: .long 16776960 @ 0xffff00
; THUMB78-NEXT: .long 2147483648 @ 0x80000000
%t0 = lshr <4 x i32> <i32 0, i32 1, i32 16776960, i32 2147483648>, %y
%t1 = and <4 x i32> %t0, %x
%res = icmp eq <4 x i32> %t1, <i32 0, i32 0, i32 0, i32 0>
ret <4 x i1> %res
}
define <4 x i1> @vec_4xi32_nonsplat_undef0_eq(<4 x i32> %x, <4 x i32> %y) nounwind {
; ARM6-LABEL: vec_4xi32_nonsplat_undef0_eq:
; ARM6: @ %bb.0:
; ARM6-NEXT: push {r11, lr}
; ARM6-NEXT: ldr r2, [sp, #12]
; ARM6-NEXT: mov lr, #1
; ARM6-NEXT: ldr r12, [sp, #8]
; ARM6-NEXT: bic r1, lr, r1, lsl r2
; ARM6-NEXT: ldr r2, [sp, #20]
; ARM6-NEXT: bic r0, lr, r0, lsl r12
; ARM6-NEXT: bic r3, lr, r3, lsl r2
; ARM6-NEXT: mov r2, #1
; ARM6-NEXT: pop {r11, pc}
;
; ARM78-LABEL: vec_4xi32_nonsplat_undef0_eq:
; ARM78: @ %bb.0:
; ARM78-NEXT: vmov d17, r2, r3
; ARM78-NEXT: mov r12, sp
; ARM78-NEXT: vld1.64 {d18, d19}, [r12]
; ARM78-NEXT: vmov d16, r0, r1
; ARM78-NEXT: vmov.i32 q10, #0x1
; ARM78-NEXT: vshl.u32 q8, q8, q9
; ARM78-NEXT: vtst.32 q8, q8, q10
; ARM78-NEXT: vmvn q8, q8
; ARM78-NEXT: vmovn.i32 d16, q8
; ARM78-NEXT: vmov r0, r1, d16
; ARM78-NEXT: bx lr
;
; THUMB6-LABEL: vec_4xi32_nonsplat_undef0_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: push {r4, lr}
; THUMB6-NEXT: ldr r2, [sp, #8]
; THUMB6-NEXT: lsls r0, r2
; THUMB6-NEXT: movs r2, #1
; THUMB6-NEXT: ands r0, r2
; THUMB6-NEXT: rsbs r4, r0, #0
; THUMB6-NEXT: adcs r0, r4
; THUMB6-NEXT: ldr r4, [sp, #12]
; THUMB6-NEXT: lsls r1, r4
; THUMB6-NEXT: ands r1, r2
; THUMB6-NEXT: rsbs r4, r1, #0
; THUMB6-NEXT: adcs r1, r4
; THUMB6-NEXT: ldr r4, [sp, #20]
; THUMB6-NEXT: lsls r3, r4
; THUMB6-NEXT: ands r3, r2
; THUMB6-NEXT: rsbs r4, r3, #0
; THUMB6-NEXT: adcs r3, r4
; THUMB6-NEXT: pop {r4, pc}
;
; THUMB78-LABEL: vec_4xi32_nonsplat_undef0_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: vmov d17, r2, r3
; THUMB78-NEXT: mov r12, sp
; THUMB78-NEXT: vld1.64 {d18, d19}, [r12]
; THUMB78-NEXT: vmov d16, r0, r1
; THUMB78-NEXT: vmov.i32 q10, #0x1
; THUMB78-NEXT: vshl.u32 q8, q8, q9
; THUMB78-NEXT: vtst.32 q8, q8, q10
; THUMB78-NEXT: vmvn q8, q8
; THUMB78-NEXT: vmovn.i32 d16, q8
; THUMB78-NEXT: vmov r0, r1, d16
; THUMB78-NEXT: bx lr
%t0 = lshr <4 x i32> <i32 1, i32 1, i32 undef, i32 1>, %y
%t1 = and <4 x i32> %t0, %x
%res = icmp eq <4 x i32> %t1, <i32 0, i32 0, i32 0, i32 0>
ret <4 x i1> %res
}
define <4 x i1> @vec_4xi32_nonsplat_undef1_eq(<4 x i32> %x, <4 x i32> %y) nounwind {
; ARM6-LABEL: vec_4xi32_nonsplat_undef1_eq:
; ARM6: @ %bb.0:
; ARM6-NEXT: push {r11, lr}
; ARM6-NEXT: ldr r2, [sp, #12]
; ARM6-NEXT: mov lr, #1
; ARM6-NEXT: ldr r12, [sp, #8]
; ARM6-NEXT: bic r1, lr, r1, lsl r2
; ARM6-NEXT: ldr r2, [sp, #20]
; ARM6-NEXT: bic r0, lr, r0, lsl r12
; ARM6-NEXT: bic r3, lr, r3, lsl r2
; ARM6-NEXT: pop {r11, pc}
;
; ARM78-LABEL: vec_4xi32_nonsplat_undef1_eq:
; ARM78: @ %bb.0:
; ARM78-NEXT: mov r12, sp
; ARM78-NEXT: vld1.64 {d16, d17}, [r12]
; ARM78-NEXT: vmov.i32 q9, #0x1
; ARM78-NEXT: vneg.s32 q8, q8
; ARM78-NEXT: vshl.u32 q8, q9, q8
; ARM78-NEXT: vmov d19, r2, r3
; ARM78-NEXT: vmov d18, r0, r1
; ARM78-NEXT: vtst.32 q8, q8, q9
; ARM78-NEXT: vmvn q8, q8
; ARM78-NEXT: vmovn.i32 d16, q8
; ARM78-NEXT: vmov r0, r1, d16
; ARM78-NEXT: bx lr
;
; THUMB6-LABEL: vec_4xi32_nonsplat_undef1_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: push {r4, lr}
; THUMB6-NEXT: ldr r2, [sp, #8]
; THUMB6-NEXT: lsls r0, r2
; THUMB6-NEXT: movs r2, #1
; THUMB6-NEXT: ands r0, r2
; THUMB6-NEXT: rsbs r4, r0, #0
; THUMB6-NEXT: adcs r0, r4
; THUMB6-NEXT: ldr r4, [sp, #12]
; THUMB6-NEXT: lsls r1, r4
; THUMB6-NEXT: ands r1, r2
; THUMB6-NEXT: rsbs r4, r1, #0
; THUMB6-NEXT: adcs r1, r4
; THUMB6-NEXT: ldr r4, [sp, #20]
; THUMB6-NEXT: lsls r3, r4
; THUMB6-NEXT: ands r3, r2
; THUMB6-NEXT: rsbs r2, r3, #0
; THUMB6-NEXT: adcs r3, r2
; THUMB6-NEXT: pop {r4, pc}
;
; THUMB78-LABEL: vec_4xi32_nonsplat_undef1_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: mov r12, sp
; THUMB78-NEXT: vld1.64 {d16, d17}, [r12]
; THUMB78-NEXT: vmov.i32 q9, #0x1
; THUMB78-NEXT: vneg.s32 q8, q8
; THUMB78-NEXT: vshl.u32 q8, q9, q8
; THUMB78-NEXT: vmov d19, r2, r3
; THUMB78-NEXT: vmov d18, r0, r1
; THUMB78-NEXT: vtst.32 q8, q8, q9
; THUMB78-NEXT: vmvn q8, q8
; THUMB78-NEXT: vmovn.i32 d16, q8
; THUMB78-NEXT: vmov r0, r1, d16
; THUMB78-NEXT: bx lr
%t0 = lshr <4 x i32> <i32 1, i32 1, i32 1, i32 1>, %y
%t1 = and <4 x i32> %t0, %x
%res = icmp eq <4 x i32> %t1, <i32 0, i32 0, i32 undef, i32 0>
ret <4 x i1> %res
}
define <4 x i1> @vec_4xi32_nonsplat_undef2_eq(<4 x i32> %x, <4 x i32> %y) nounwind {
; ARM6-LABEL: vec_4xi32_nonsplat_undef2_eq:
; ARM6: @ %bb.0:
; ARM6-NEXT: push {r11, lr}
; ARM6-NEXT: ldr r2, [sp, #12]
; ARM6-NEXT: mov lr, #1
; ARM6-NEXT: ldr r12, [sp, #8]
; ARM6-NEXT: bic r1, lr, r1, lsl r2
; ARM6-NEXT: ldr r2, [sp, #20]
; ARM6-NEXT: bic r0, lr, r0, lsl r12
; ARM6-NEXT: bic r3, lr, r3, lsl r2
; ARM6-NEXT: pop {r11, pc}
;
; ARM78-LABEL: vec_4xi32_nonsplat_undef2_eq:
; ARM78: @ %bb.0:
; ARM78-NEXT: mov r12, sp
; ARM78-NEXT: vld1.64 {d16, d17}, [r12]
; ARM78-NEXT: vmov.i32 q9, #0x1
; ARM78-NEXT: vneg.s32 q8, q8
; ARM78-NEXT: vshl.u32 q8, q9, q8
; ARM78-NEXT: vmov d19, r2, r3
; ARM78-NEXT: vmov d18, r0, r1
; ARM78-NEXT: vtst.32 q8, q8, q9
; ARM78-NEXT: vmvn q8, q8
; ARM78-NEXT: vmovn.i32 d16, q8
; ARM78-NEXT: vmov r0, r1, d16
; ARM78-NEXT: bx lr
;
; THUMB6-LABEL: vec_4xi32_nonsplat_undef2_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: push {r4, lr}
; THUMB6-NEXT: ldr r2, [sp, #8]
; THUMB6-NEXT: lsls r0, r2
; THUMB6-NEXT: movs r2, #1
; THUMB6-NEXT: ands r0, r2
; THUMB6-NEXT: rsbs r4, r0, #0
; THUMB6-NEXT: adcs r0, r4
; THUMB6-NEXT: ldr r4, [sp, #12]
; THUMB6-NEXT: lsls r1, r4
; THUMB6-NEXT: ands r1, r2
; THUMB6-NEXT: rsbs r4, r1, #0
; THUMB6-NEXT: adcs r1, r4
; THUMB6-NEXT: ldr r4, [sp, #20]
; THUMB6-NEXT: lsls r3, r4
; THUMB6-NEXT: ands r3, r2
; THUMB6-NEXT: rsbs r2, r3, #0
; THUMB6-NEXT: adcs r3, r2
; THUMB6-NEXT: pop {r4, pc}
;
; THUMB78-LABEL: vec_4xi32_nonsplat_undef2_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: mov r12, sp
; THUMB78-NEXT: vld1.64 {d16, d17}, [r12]
; THUMB78-NEXT: vmov.i32 q9, #0x1
; THUMB78-NEXT: vneg.s32 q8, q8
; THUMB78-NEXT: vshl.u32 q8, q9, q8
; THUMB78-NEXT: vmov d19, r2, r3
; THUMB78-NEXT: vmov d18, r0, r1
; THUMB78-NEXT: vtst.32 q8, q8, q9
; THUMB78-NEXT: vmvn q8, q8
; THUMB78-NEXT: vmovn.i32 d16, q8
; THUMB78-NEXT: vmov r0, r1, d16
; THUMB78-NEXT: bx lr
%t0 = lshr <4 x i32> <i32 1, i32 1, i32 undef, i32 1>, %y
%t1 = and <4 x i32> %t0, %x
%res = icmp eq <4 x i32> %t1, <i32 0, i32 0, i32 undef, i32 0>
ret <4 x i1> %res
}
;------------------------------------------------------------------------------;
; A special tests
;------------------------------------------------------------------------------;
define i1 @scalar_i8_signbit_ne(i8 %x, i8 %y) nounwind {
; ARM-LABEL: scalar_i8_signbit_ne:
; ARM: @ %bb.0:
; ARM-NEXT: uxtb r1, r1
; ARM-NEXT: lsl r0, r0, r1
; ARM-NEXT: uxtb r0, r0
; ARM-NEXT: lsr r0, r0, #7
; ARM-NEXT: bx lr
;
; THUMB-LABEL: scalar_i8_signbit_ne:
; THUMB: @ %bb.0:
; THUMB-NEXT: uxtb r1, r1
; THUMB-NEXT: lsls r0, r1
; THUMB-NEXT: uxtb r0, r0
; THUMB-NEXT: lsrs r0, r0, #7
; THUMB-NEXT: bx lr
%t0 = lshr i8 128, %y
%t1 = and i8 %t0, %x
%res = icmp ne i8 %t1, 0 ; we are perfectly happy with 'ne' predicate
ret i1 %res
}
;------------------------------------------------------------------------------;
; What if X is a constant too?
;------------------------------------------------------------------------------;
define i1 @scalar_i32_x_is_const_eq(i32 %y) nounwind {
; ARM6-LABEL: scalar_i32_x_is_const_eq:
; ARM6: @ %bb.0:
; ARM6-NEXT: ldr r1, .LCPI18_0
; ARM6-NEXT: mov r2, #1
; ARM6-NEXT: bic r0, r2, r1, lsr r0
; ARM6-NEXT: bx lr
; ARM6-NEXT: .p2align 2
; ARM6-NEXT: @ %bb.1:
; ARM6-NEXT: .LCPI18_0:
; ARM6-NEXT: .long 2857740885 @ 0xaa55aa55
;
; ARM78-LABEL: scalar_i32_x_is_const_eq:
; ARM78: @ %bb.0:
; ARM78-NEXT: movw r1, #43605
; ARM78-NEXT: mov r2, #1
; ARM78-NEXT: movt r1, #43605
; ARM78-NEXT: bic r0, r2, r1, lsr r0
; ARM78-NEXT: bx lr
;
; THUMB6-LABEL: scalar_i32_x_is_const_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: ldr r1, .LCPI18_0
; THUMB6-NEXT: lsrs r1, r0
; THUMB6-NEXT: movs r2, #1
; THUMB6-NEXT: ands r2, r1
; THUMB6-NEXT: rsbs r0, r2, #0
; THUMB6-NEXT: adcs r0, r2
; THUMB6-NEXT: bx lr
; THUMB6-NEXT: .p2align 2
; THUMB6-NEXT: @ %bb.1:
; THUMB6-NEXT: .LCPI18_0:
; THUMB6-NEXT: .long 2857740885 @ 0xaa55aa55
;
; THUMB78-LABEL: scalar_i32_x_is_const_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: movw r1, #43605
; THUMB78-NEXT: movt r1, #43605
; THUMB78-NEXT: lsr.w r0, r1, r0
; THUMB78-NEXT: movs r1, #1
; THUMB78-NEXT: bic.w r0, r1, r0
; THUMB78-NEXT: bx lr
%t0 = lshr i32 2857740885, %y
%t1 = and i32 %t0, 1
%res = icmp eq i32 %t1, 0
ret i1 %res
}
define i1 @scalar_i32_x_is_const2_eq(i32 %y) nounwind {
; ARM-LABEL: scalar_i32_x_is_const2_eq:
; ARM: @ %bb.0:
; ARM-NEXT: mov r1, #1
; ARM-NEXT: eor r0, r1, r1, lsr r0
; ARM-NEXT: bx lr
;
; THUMB6-LABEL: scalar_i32_x_is_const2_eq:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: movs r1, #1
; THUMB6-NEXT: lsrs r1, r0
; THUMB6-NEXT: rsbs r0, r1, #0
; THUMB6-NEXT: adcs r0, r1
; THUMB6-NEXT: bx lr
;
; THUMB78-LABEL: scalar_i32_x_is_const2_eq:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: movs r1, #1
; THUMB78-NEXT: lsr.w r0, r1, r0
; THUMB78-NEXT: eor r0, r0, #1
; THUMB78-NEXT: bx lr
%t0 = lshr i32 1, %y
%t1 = and i32 %t0, 2857740885
%res = icmp eq i32 %t1, 0
ret i1 %res
}
;------------------------------------------------------------------------------;
; A few negative tests
;------------------------------------------------------------------------------;
define i1 @negative_scalar_i8_bitsinmiddle_slt(i8 %x, i8 %y) nounwind {
; ARM6-LABEL: negative_scalar_i8_bitsinmiddle_slt:
; ARM6: @ %bb.0:
; ARM6-NEXT: uxtb r1, r1
; ARM6-NEXT: mov r2, #24
; ARM6-NEXT: and r1, r0, r2, lsr r1
; ARM6-NEXT: mov r0, #0
; ARM6-NEXT: cmp r1, #0
; ARM6-NEXT: movmi r0, #1
; ARM6-NEXT: bx lr
;
; ARM78-LABEL: negative_scalar_i8_bitsinmiddle_slt:
; ARM78: @ %bb.0:
; ARM78-NEXT: uxtb r1, r1
; ARM78-NEXT: mov r2, #24
; ARM78-NEXT: and r1, r0, r2, lsr r1
; ARM78-NEXT: mov r0, #0
; ARM78-NEXT: cmp r1, #0
; ARM78-NEXT: movwmi r0, #1
; ARM78-NEXT: bx lr
;
; THUMB6-LABEL: negative_scalar_i8_bitsinmiddle_slt:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: uxtb r1, r1
; THUMB6-NEXT: movs r2, #24
; THUMB6-NEXT: lsrs r2, r1
; THUMB6-NEXT: ands r2, r0
; THUMB6-NEXT: bmi .LBB20_2
; THUMB6-NEXT: @ %bb.1:
; THUMB6-NEXT: movs r0, #0
; THUMB6-NEXT: bx lr
; THUMB6-NEXT: .LBB20_2:
; THUMB6-NEXT: movs r0, #1
; THUMB6-NEXT: bx lr
;
; THUMB78-LABEL: negative_scalar_i8_bitsinmiddle_slt:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: uxtb r1, r1
; THUMB78-NEXT: movs r2, #24
; THUMB78-NEXT: lsr.w r1, r2, r1
; THUMB78-NEXT: ands r0, r1
; THUMB78-NEXT: mov.w r0, #0
; THUMB78-NEXT: it mi
; THUMB78-NEXT: movmi r0, #1
; THUMB78-NEXT: bx lr
%t0 = lshr i8 24, %y
%t1 = and i8 %t0, %x
%res = icmp slt i8 %t1, 0
ret i1 %res
}
define i1 @scalar_i8_signbit_eq_with_nonzero(i8 %x, i8 %y) nounwind {
; ARM-LABEL: scalar_i8_signbit_eq_with_nonzero:
; ARM: @ %bb.0:
; ARM-NEXT: uxtb r1, r1
; ARM-NEXT: mov r2, #128
; ARM-NEXT: and r0, r0, r2, lsr r1
; ARM-NEXT: sub r0, r0, #1
; ARM-NEXT: clz r0, r0
; ARM-NEXT: lsr r0, r0, #5
; ARM-NEXT: bx lr
;
; THUMB6-LABEL: scalar_i8_signbit_eq_with_nonzero:
; THUMB6: @ %bb.0:
; THUMB6-NEXT: uxtb r1, r1
; THUMB6-NEXT: movs r2, #128
; THUMB6-NEXT: lsrs r2, r1
; THUMB6-NEXT: ands r2, r0
; THUMB6-NEXT: subs r1, r2, #1
; THUMB6-NEXT: rsbs r0, r1, #0
; THUMB6-NEXT: adcs r0, r1
; THUMB6-NEXT: bx lr
;
; THUMB78-LABEL: scalar_i8_signbit_eq_with_nonzero:
; THUMB78: @ %bb.0:
; THUMB78-NEXT: uxtb r1, r1
; THUMB78-NEXT: movs r2, #128
; THUMB78-NEXT: lsr.w r1, r2, r1
; THUMB78-NEXT: ands r0, r1
; THUMB78-NEXT: subs r0, #1
; THUMB78-NEXT: clz r0, r0
; THUMB78-NEXT: lsrs r0, r0, #5
; THUMB78-NEXT: bx lr
%t0 = lshr i8 128, %y
%t1 = and i8 %t0, %x
%res = icmp eq i8 %t1, 1 ; should be comparing with 0
ret i1 %res
}