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llvm-mirror/test/CodeGen/Thumb2/mve-vmaxnma-commute.ll
David Green 2182ef8121 [ARM] Mark VMINNMA/VMAXNMA as commutative 
These operations take Qda and Rn register operands, which are
commutative so long as the instruction is not predicated.

Differential Revision: https://reviews.llvm.org/D85813
2020-08-13 18:01:11 +01:00

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LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve.fp %s -o - | FileCheck %s
; F32
define arm_aapcs_vfpcc <4 x float> @maxf32(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: maxf32:
; CHECK: @ %bb.0:
; CHECK-NEXT: vmaxnma.f32 q0, q1
; CHECK-NEXT: bx lr
%aa = tail call fast <4 x float> @llvm.fabs.v4f32(<4 x float> %a)
%bb = tail call fast <4 x float> @llvm.fabs.v4f32(<4 x float> %b)
%c = tail call fast <4 x float> @llvm.maxnum.v4f32(<4 x float> %aa, <4 x float> %bb)
ret <4 x float> %c
}
define arm_aapcs_vfpcc <4 x float> @maxf32_c(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: maxf32_c:
; CHECK: @ %bb.0:
; CHECK-NEXT: vmaxnma.f32 q0, q1
; CHECK-NEXT: bx lr
%aa = tail call fast <4 x float> @llvm.fabs.v4f32(<4 x float> %a)
%bb = tail call fast <4 x float> @llvm.fabs.v4f32(<4 x float> %b)
%c = tail call fast <4 x float> @llvm.maxnum.v4f32(<4 x float> %bb, <4 x float> %aa)
ret <4 x float> %c
}
define arm_aapcs_vfpcc <4 x float> @minf32(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: minf32:
; CHECK: @ %bb.0:
; CHECK-NEXT: vminnma.f32 q0, q1
; CHECK-NEXT: bx lr
%aa = tail call fast <4 x float> @llvm.fabs.v4f32(<4 x float> %a)
%bb = tail call fast <4 x float> @llvm.fabs.v4f32(<4 x float> %b)
%c = tail call fast <4 x float> @llvm.minnum.v4f32(<4 x float> %aa, <4 x float> %bb)
ret <4 x float> %c
}
define arm_aapcs_vfpcc <4 x float> @minf32_c(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: minf32_c:
; CHECK: @ %bb.0:
; CHECK-NEXT: vminnma.f32 q0, q1
; CHECK-NEXT: bx lr
%aa = tail call fast <4 x float> @llvm.fabs.v4f32(<4 x float> %a)
%bb = tail call fast <4 x float> @llvm.fabs.v4f32(<4 x float> %b)
%c = tail call fast <4 x float> @llvm.minnum.v4f32(<4 x float> %bb, <4 x float> %aa)
ret <4 x float> %c
}
define arm_aapcs_vfpcc <4 x float> @maxpredf32(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: maxpredf32:
; CHECK: @ %bb.0:
; CHECK-NEXT: vpt.f32 gt, q1, q0
; CHECK-NEXT: vmaxnmat.f32 q0, q1
; CHECK-NEXT: bx lr
%c = fcmp olt <4 x float> %a, %b
%s = tail call fast <4 x float> @llvm.arm.mve.vmaxnma.predicated.v4f32.v4i1(<4 x float> %a, <4 x float> %b, <4 x i1> %c)
ret <4 x float> %s
}
define arm_aapcs_vfpcc <4 x float> @maxpredf32_c(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: maxpredf32_c:
; CHECK: @ %bb.0:
; CHECK-NEXT: vpt.f32 gt, q1, q0
; CHECK-NEXT: vmaxnmat.f32 q1, q0
; CHECK-NEXT: vmov q0, q1
; CHECK-NEXT: bx lr
%c = fcmp olt <4 x float> %a, %b
%s = tail call fast <4 x float> @llvm.arm.mve.vmaxnma.predicated.v4f32.v4i1(<4 x float> %b, <4 x float> %a, <4 x i1> %c)
ret <4 x float> %s
}
define arm_aapcs_vfpcc <4 x float> @minpredf32(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: minpredf32:
; CHECK: @ %bb.0:
; CHECK-NEXT: vpt.f32 gt, q1, q0
; CHECK-NEXT: vminnmat.f32 q0, q1
; CHECK-NEXT: bx lr
%c = fcmp olt <4 x float> %a, %b
%s = tail call fast <4 x float> @llvm.arm.mve.vminnma.predicated.v4f32.v4i1(<4 x float> %a, <4 x float> %b, <4 x i1> %c)
ret <4 x float> %s
}
define arm_aapcs_vfpcc <4 x float> @minpredf32_c(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: minpredf32_c:
; CHECK: @ %bb.0:
; CHECK-NEXT: vpt.f32 gt, q1, q0
; CHECK-NEXT: vminnmat.f32 q1, q0
; CHECK-NEXT: vmov q0, q1
; CHECK-NEXT: bx lr
%c = fcmp olt <4 x float> %a, %b
%s = tail call fast <4 x float> @llvm.arm.mve.vminnma.predicated.v4f32.v4i1(<4 x float> %b, <4 x float> %a, <4 x i1> %c)
ret <4 x float> %s
}
; F16
define arm_aapcs_vfpcc <8 x half> @maxf16(<8 x half> %a, <8 x half> %b) {
; CHECK-LABEL: maxf16:
; CHECK: @ %bb.0:
; CHECK-NEXT: vmaxnma.f16 q0, q1
; CHECK-NEXT: bx lr
%aa = tail call fast <8 x half> @llvm.fabs.v8f16(<8 x half> %a)
%bb = tail call fast <8 x half> @llvm.fabs.v8f16(<8 x half> %b)
%c = tail call fast <8 x half> @llvm.maxnum.v8f16(<8 x half> %aa, <8 x half> %bb)
ret <8 x half> %c
}
define arm_aapcs_vfpcc <8 x half> @maxf16_c(<8 x half> %a, <8 x half> %b) {
; CHECK-LABEL: maxf16_c:
; CHECK: @ %bb.0:
; CHECK-NEXT: vmaxnma.f16 q0, q1
; CHECK-NEXT: bx lr
%aa = tail call fast <8 x half> @llvm.fabs.v8f16(<8 x half> %a)
%bb = tail call fast <8 x half> @llvm.fabs.v8f16(<8 x half> %b)
%c = tail call fast <8 x half> @llvm.maxnum.v8f16(<8 x half> %bb, <8 x half> %aa)
ret <8 x half> %c
}
define arm_aapcs_vfpcc <8 x half> @minf16(<8 x half> %a, <8 x half> %b) {
; CHECK-LABEL: minf16:
; CHECK: @ %bb.0:
; CHECK-NEXT: vminnma.f16 q0, q1
; CHECK-NEXT: bx lr
%aa = tail call fast <8 x half> @llvm.fabs.v8f16(<8 x half> %a)
%bb = tail call fast <8 x half> @llvm.fabs.v8f16(<8 x half> %b)
%c = tail call fast <8 x half> @llvm.minnum.v8f16(<8 x half> %aa, <8 x half> %bb)
ret <8 x half> %c
}
define arm_aapcs_vfpcc <8 x half> @minf16_c(<8 x half> %a, <8 x half> %b) {
; CHECK-LABEL: minf16_c:
; CHECK: @ %bb.0:
; CHECK-NEXT: vminnma.f16 q0, q1
; CHECK-NEXT: bx lr
%aa = tail call fast <8 x half> @llvm.fabs.v8f16(<8 x half> %a)
%bb = tail call fast <8 x half> @llvm.fabs.v8f16(<8 x half> %b)
%c = tail call fast <8 x half> @llvm.minnum.v8f16(<8 x half> %bb, <8 x half> %aa)
ret <8 x half> %c
}
define arm_aapcs_vfpcc <8 x half> @maxpredf16(<8 x half> %a, <8 x half> %b) {
; CHECK-LABEL: maxpredf16:
; CHECK: @ %bb.0:
; CHECK-NEXT: vpt.f16 gt, q1, q0
; CHECK-NEXT: vmaxnmat.f16 q0, q1
; CHECK-NEXT: bx lr
%c = fcmp olt <8 x half> %a, %b
%s = tail call fast <8 x half> @llvm.arm.mve.vmaxnma.predicated.v8f16.v8i1(<8 x half> %a, <8 x half> %b, <8 x i1> %c)
ret <8 x half> %s
}
define arm_aapcs_vfpcc <8 x half> @maxpredf16_c(<8 x half> %a, <8 x half> %b) {
; CHECK-LABEL: maxpredf16_c:
; CHECK: @ %bb.0:
; CHECK-NEXT: vpt.f16 gt, q1, q0
; CHECK-NEXT: vmaxnmat.f16 q1, q0
; CHECK-NEXT: vmov q0, q1
; CHECK-NEXT: bx lr
%c = fcmp olt <8 x half> %a, %b
%s = tail call fast <8 x half> @llvm.arm.mve.vmaxnma.predicated.v8f16.v8i1(<8 x half> %b, <8 x half> %a, <8 x i1> %c)
ret <8 x half> %s
}
define arm_aapcs_vfpcc <8 x half> @minpredf16(<8 x half> %a, <8 x half> %b) {
; CHECK-LABEL: minpredf16:
; CHECK: @ %bb.0:
; CHECK-NEXT: vpt.f16 gt, q1, q0
; CHECK-NEXT: vminnmat.f16 q0, q1
; CHECK-NEXT: bx lr
%c = fcmp olt <8 x half> %a, %b
%s = tail call fast <8 x half> @llvm.arm.mve.vminnma.predicated.v8f16.v8i1(<8 x half> %a, <8 x half> %b, <8 x i1> %c)
ret <8 x half> %s
}
define arm_aapcs_vfpcc <8 x half> @minpredf16_c(<8 x half> %a, <8 x half> %b) {
; CHECK-LABEL: minpredf16_c:
; CHECK: @ %bb.0:
; CHECK-NEXT: vpt.f16 gt, q1, q0
; CHECK-NEXT: vminnmat.f16 q1, q0
; CHECK-NEXT: vmov q0, q1
; CHECK-NEXT: bx lr
%c = fcmp olt <8 x half> %a, %b
%s = tail call fast <8 x half> @llvm.arm.mve.vminnma.predicated.v8f16.v8i1(<8 x half> %b, <8 x half> %a, <8 x i1> %c)
ret <8 x half> %s
}
; Loops
define void @loop_absmax32(float* nocapture readonly %0, i32 %1, float* nocapture %2) {
; CHECK-LABEL: loop_absmax32:
; CHECK: @ %bb.0:
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: lsr.w lr, r1, #3
; CHECK-NEXT: wls lr, lr, .LBB16_3
; CHECK-NEXT: @ %bb.1: @ %.preheader
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: .LBB16_2: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrw.u32 q1, [r0], #16
; CHECK-NEXT: vmaxnma.f32 q0, q1
; CHECK-NEXT: le lr, .LBB16_2
; CHECK-NEXT: .LBB16_3:
; CHECK-NEXT: vldr s4, .LCPI16_0
; CHECK-NEXT: vmov r0, s4
; CHECK-NEXT: vmaxnmav.f32 r0, q0
; CHECK-NEXT: vmov s0, r0
; CHECK-NEXT: vstr s0, [r2]
; CHECK-NEXT: pop {r7, pc}
; CHECK-NEXT: .p2align 2
; CHECK-NEXT: @ %bb.4:
; CHECK-NEXT: .LCPI16_0:
; CHECK-NEXT: .long 0x00000000 @ float 0
%4 = lshr i32 %1, 3
%5 = icmp eq i32 %4, 0
br i1 %5, label %18, label %6
6: ; preds = %3, %6
%7 = phi i32 [ %16, %6 ], [ %4, %3 ]
%8 = phi <4 x float> [ %15, %6 ], [ zeroinitializer, %3 ]
%9 = phi float* [ %12, %6 ], [ %0, %3 ]
%10 = bitcast float* %9 to <4 x float>*
%11 = load <4 x float>, <4 x float>* %10, align 4
%12 = getelementptr inbounds float, float* %9, i32 4
%13 = tail call fast <4 x float> @llvm.fabs.v4f32(<4 x float> %11)
%14 = tail call fast <4 x float> @llvm.fabs.v4f32(<4 x float> %8)
%15 = tail call fast <4 x float> @llvm.maxnum.v4f32(<4 x float> %14, <4 x float> %13)
%16 = add nsw i32 %7, -1
%17 = icmp eq i32 %16, 0
br i1 %17, label %18, label %6
18: ; preds = %6, %3
%19 = phi <4 x float> [ zeroinitializer, %3 ], [ %15, %6 ]
%20 = tail call fast float @llvm.arm.mve.maxnmav.f32.v4f32(float 0.000000e+00, <4 x float> %19)
store float %20, float* %2, align 4
ret void
}
define void @loop_absmax32_c(float* nocapture readonly %0, i32 %1, float* nocapture %2) {
; CHECK-LABEL: loop_absmax32_c:
; CHECK: @ %bb.0:
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: lsr.w lr, r1, #3
; CHECK-NEXT: wls lr, lr, .LBB17_3
; CHECK-NEXT: @ %bb.1: @ %.preheader
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: .LBB17_2: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrw.u32 q1, [r0], #16
; CHECK-NEXT: vmaxnma.f32 q0, q1
; CHECK-NEXT: le lr, .LBB17_2
; CHECK-NEXT: .LBB17_3:
; CHECK-NEXT: vldr s4, .LCPI17_0
; CHECK-NEXT: vmov r0, s4
; CHECK-NEXT: vmaxnmav.f32 r0, q0
; CHECK-NEXT: vmov s0, r0
; CHECK-NEXT: vstr s0, [r2]
; CHECK-NEXT: pop {r7, pc}
; CHECK-NEXT: .p2align 2
; CHECK-NEXT: @ %bb.4:
; CHECK-NEXT: .LCPI17_0:
; CHECK-NEXT: .long 0x00000000 @ float 0
%4 = lshr i32 %1, 3
%5 = icmp eq i32 %4, 0
br i1 %5, label %18, label %6
6: ; preds = %3, %6
%7 = phi i32 [ %16, %6 ], [ %4, %3 ]
%8 = phi <4 x float> [ %15, %6 ], [ zeroinitializer, %3 ]
%9 = phi float* [ %12, %6 ], [ %0, %3 ]
%10 = bitcast float* %9 to <4 x float>*
%11 = load <4 x float>, <4 x float>* %10, align 4
%12 = getelementptr inbounds float, float* %9, i32 4
%13 = tail call fast <4 x float> @llvm.fabs.v4f32(<4 x float> %11)
%14 = tail call fast <4 x float> @llvm.fabs.v4f32(<4 x float> %8)
%15 = tail call fast <4 x float> @llvm.maxnum.v4f32(<4 x float> %13, <4 x float> %14)
%16 = add nsw i32 %7, -1
%17 = icmp eq i32 %16, 0
br i1 %17, label %18, label %6
18: ; preds = %6, %3
%19 = phi <4 x float> [ zeroinitializer, %3 ], [ %15, %6 ]
%20 = tail call fast float @llvm.arm.mve.maxnmav.f32.v4f32(float 0.000000e+00, <4 x float> %19)
store float %20, float* %2, align 4
ret void
}
define void @loop_absmax32_pred(float* %0, i32 %1, float* nocapture %2) {
; CHECK-LABEL: loop_absmax32_pred:
; CHECK: @ %bb.0:
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: dlstp.32 lr, r1
; CHECK-NEXT: .LBB18_1: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrw.u32 q1, [r0], #16
; CHECK-NEXT: vmaxnma.f32 q0, q1
; CHECK-NEXT: letp lr, .LBB18_1
; CHECK-NEXT: @ %bb.2:
; CHECK-NEXT: vldr s4, .LCPI18_0
; CHECK-NEXT: vmov r0, s4
; CHECK-NEXT: vmaxnmav.f32 r0, q0
; CHECK-NEXT: vmov s0, r0
; CHECK-NEXT: vstr s0, [r2]
; CHECK-NEXT: pop {r7, pc}
; CHECK-NEXT: .p2align 2
; CHECK-NEXT: @ %bb.3:
; CHECK-NEXT: .LCPI18_0:
; CHECK-NEXT: .long 0x00000000 @ float 0
br label %4
4: ; preds = %4, %3
%5 = phi <4 x float> [ zeroinitializer, %3 ], [ %12, %4 ]
%6 = phi i32 [ %1, %3 ], [ %13, %4 ]
%7 = phi float* [ %0, %3 ], [ %11, %4 ]
%8 = tail call <4 x i1> @llvm.arm.mve.vctp32(i32 %6)
%9 = bitcast float* %7 to <4 x float>*
%10 = tail call fast <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>* %9, i32 4, <4 x i1> %8, <4 x float> zeroinitializer)
%11 = getelementptr inbounds float, float* %7, i32 4
%12 = tail call fast <4 x float> @llvm.arm.mve.vmaxnma.predicated.v4f32.v4i1(<4 x float> %5, <4 x float> %10, <4 x i1> %8)
%13 = add nsw i32 %6, -4
%14 = icmp sgt i32 %6, 4
br i1 %14, label %4, label %15
15: ; preds = %4
%16 = tail call fast float @llvm.arm.mve.maxnmav.f32.v4f32(float 0.000000e+00, <4 x float> %12)
store float %16, float* %2, align 4
ret void
}
define void @loop_absmax32_pred_c(float* %0, i32 %1, float* nocapture %2) {
; CHECK-LABEL: loop_absmax32_pred_c:
; CHECK: @ %bb.0:
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: dlstp.32 lr, r1
; CHECK-NEXT: .LBB19_1: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrw.u32 q1, [r0], #16
; CHECK-NEXT: vmaxnma.f32 q1, q0
; CHECK-NEXT: vmov q0, q1
; CHECK-NEXT: letp lr, .LBB19_1
; CHECK-NEXT: @ %bb.2:
; CHECK-NEXT: vldr s0, .LCPI19_0
; CHECK-NEXT: vmov r0, s0
; CHECK-NEXT: vmaxnmav.f32 r0, q1
; CHECK-NEXT: vmov s0, r0
; CHECK-NEXT: vstr s0, [r2]
; CHECK-NEXT: pop {r7, pc}
; CHECK-NEXT: .p2align 2
; CHECK-NEXT: @ %bb.3:
; CHECK-NEXT: .LCPI19_0:
; CHECK-NEXT: .long 0x00000000 @ float 0
br label %4
4: ; preds = %4, %3
%5 = phi <4 x float> [ zeroinitializer, %3 ], [ %12, %4 ]
%6 = phi i32 [ %1, %3 ], [ %13, %4 ]
%7 = phi float* [ %0, %3 ], [ %11, %4 ]
%8 = tail call <4 x i1> @llvm.arm.mve.vctp32(i32 %6)
%9 = bitcast float* %7 to <4 x float>*
%10 = tail call fast <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>* %9, i32 4, <4 x i1> %8, <4 x float> zeroinitializer)
%11 = getelementptr inbounds float, float* %7, i32 4
%12 = tail call fast <4 x float> @llvm.arm.mve.vmaxnma.predicated.v4f32.v4i1(<4 x float> %10, <4 x float> %5, <4 x i1> %8)
%13 = add nsw i32 %6, -4
%14 = icmp sgt i32 %6, 4
br i1 %14, label %4, label %15
15: ; preds = %4
%16 = tail call fast float @llvm.arm.mve.maxnmav.f32.v4f32(float 0.000000e+00, <4 x float> %12)
store float %16, float* %2, align 4
ret void
}
define void @loop_absmax16(half* nocapture readonly %0, i32 %1, half* nocapture %2) {
; CHECK-LABEL: loop_absmax16:
; CHECK: @ %bb.0:
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: lsr.w lr, r1, #3
; CHECK-NEXT: wls lr, lr, .LBB20_3
; CHECK-NEXT: @ %bb.1: @ %.preheader
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: .LBB20_2: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrw.u32 q1, [r0], #8
; CHECK-NEXT: vmaxnma.f16 q0, q1
; CHECK-NEXT: le lr, .LBB20_2
; CHECK-NEXT: .LBB20_3:
; CHECK-NEXT: vldr.16 s4, .LCPI20_0
; CHECK-NEXT: vmov r0, s4
; CHECK-NEXT: vmaxnmav.f16 r0, q0
; CHECK-NEXT: vmov s0, r0
; CHECK-NEXT: vstr.16 s0, [r2]
; CHECK-NEXT: pop {r7, pc}
; CHECK-NEXT: .p2align 1
; CHECK-NEXT: @ %bb.4:
; CHECK-NEXT: .LCPI20_0:
; CHECK-NEXT: .short 0x0000 @ half 0
%4 = lshr i32 %1, 3
%5 = icmp eq i32 %4, 0
br i1 %5, label %18, label %6
6: ; preds = %3, %6
%7 = phi i32 [ %16, %6 ], [ %4, %3 ]
%8 = phi <8 x half> [ %15, %6 ], [ zeroinitializer, %3 ]
%9 = phi half* [ %12, %6 ], [ %0, %3 ]
%10 = bitcast half* %9 to <8 x half>*
%11 = load <8 x half>, <8 x half>* %10, align 4
%12 = getelementptr inbounds half, half* %9, i32 4
%13 = tail call fast <8 x half> @llvm.fabs.v8f16(<8 x half> %11)
%14 = tail call fast <8 x half> @llvm.fabs.v8f16(<8 x half> %8)
%15 = tail call fast <8 x half> @llvm.maxnum.v8f16(<8 x half> %14, <8 x half> %13)
%16 = add nsw i32 %7, -1
%17 = icmp eq i32 %16, 0
br i1 %17, label %18, label %6
18: ; preds = %6, %3
%19 = phi <8 x half> [ zeroinitializer, %3 ], [ %15, %6 ]
%20 = tail call fast half @llvm.arm.mve.maxnmav.f16.v8f16(half 0.000000e+00, <8 x half> %19)
store half %20, half* %2, align 4
ret void
}
define void @loop_absmax16_c(half* nocapture readonly %0, i32 %1, half* nocapture %2) {
; CHECK-LABEL: loop_absmax16_c:
; CHECK: @ %bb.0:
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: lsr.w lr, r1, #3
; CHECK-NEXT: wls lr, lr, .LBB21_3
; CHECK-NEXT: @ %bb.1: @ %.preheader
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: .LBB21_2: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrw.u32 q1, [r0], #8
; CHECK-NEXT: vmaxnma.f16 q0, q1
; CHECK-NEXT: le lr, .LBB21_2
; CHECK-NEXT: .LBB21_3:
; CHECK-NEXT: vldr.16 s4, .LCPI21_0
; CHECK-NEXT: vmov r0, s4
; CHECK-NEXT: vmaxnmav.f16 r0, q0
; CHECK-NEXT: vmov s0, r0
; CHECK-NEXT: vstr.16 s0, [r2]
; CHECK-NEXT: pop {r7, pc}
; CHECK-NEXT: .p2align 1
; CHECK-NEXT: @ %bb.4:
; CHECK-NEXT: .LCPI21_0:
; CHECK-NEXT: .short 0x0000 @ half 0
%4 = lshr i32 %1, 3
%5 = icmp eq i32 %4, 0
br i1 %5, label %18, label %6
6: ; preds = %3, %6
%7 = phi i32 [ %16, %6 ], [ %4, %3 ]
%8 = phi <8 x half> [ %15, %6 ], [ zeroinitializer, %3 ]
%9 = phi half* [ %12, %6 ], [ %0, %3 ]
%10 = bitcast half* %9 to <8 x half>*
%11 = load <8 x half>, <8 x half>* %10, align 4
%12 = getelementptr inbounds half, half* %9, i32 4
%13 = tail call fast <8 x half> @llvm.fabs.v8f16(<8 x half> %11)
%14 = tail call fast <8 x half> @llvm.fabs.v8f16(<8 x half> %8)
%15 = tail call fast <8 x half> @llvm.maxnum.v8f16(<8 x half> %13, <8 x half> %14)
%16 = add nsw i32 %7, -1
%17 = icmp eq i32 %16, 0
br i1 %17, label %18, label %6
18: ; preds = %6, %3
%19 = phi <8 x half> [ zeroinitializer, %3 ], [ %15, %6 ]
%20 = tail call fast half @llvm.arm.mve.maxnmav.f16.v8f16(half 0.000000e+00, <8 x half> %19)
store half %20, half* %2, align 4
ret void
}
define void @loop_absmax16_pred(half* %0, i32 %1, half* nocapture %2) {
; CHECK-LABEL: loop_absmax16_pred:
; CHECK: @ %bb.0:
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: dlstp.16 lr, r1
; CHECK-NEXT: .LBB22_1: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrh.u16 q1, [r0], #8
; CHECK-NEXT: vmaxnma.f16 q0, q1
; CHECK-NEXT: letp lr, .LBB22_1
; CHECK-NEXT: @ %bb.2:
; CHECK-NEXT: vldr.16 s4, .LCPI22_0
; CHECK-NEXT: vmov r0, s4
; CHECK-NEXT: vmaxnmav.f16 r0, q0
; CHECK-NEXT: vmov s0, r0
; CHECK-NEXT: vstr.16 s0, [r2]
; CHECK-NEXT: pop {r7, pc}
; CHECK-NEXT: .p2align 1
; CHECK-NEXT: @ %bb.3:
; CHECK-NEXT: .LCPI22_0:
; CHECK-NEXT: .short 0x0000 @ half 0
br label %4
4: ; preds = %4, %3
%5 = phi <8 x half> [ zeroinitializer, %3 ], [ %12, %4 ]
%6 = phi i32 [ %1, %3 ], [ %13, %4 ]
%7 = phi half* [ %0, %3 ], [ %11, %4 ]
%8 = tail call <8 x i1> @llvm.arm.mve.vctp16(i32 %6)
%9 = bitcast half* %7 to <8 x half>*
%10 = tail call fast <8 x half> @llvm.masked.load.v8f16.p0v8f16(<8 x half>* %9, i32 4, <8 x i1> %8, <8 x half> zeroinitializer)
%11 = getelementptr inbounds half, half* %7, i32 4
%12 = tail call fast <8 x half> @llvm.arm.mve.vmaxnma.predicated.v8f16.v8i1(<8 x half> %5, <8 x half> %10, <8 x i1> %8)
%13 = add nsw i32 %6, -8
%14 = icmp sgt i32 %6, 8
br i1 %14, label %4, label %15
15: ; preds = %4
%16 = tail call fast half @llvm.arm.mve.maxnmav.f16.v8f16(half 0.000000e+00, <8 x half> %12)
store half %16, half* %2, align 4
ret void
}
define void @loop_absmax16_pred_c(half* %0, i32 %1, half* nocapture %2) {
; CHECK-LABEL: loop_absmax16_pred_c:
; CHECK: @ %bb.0:
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: dlstp.16 lr, r1
; CHECK-NEXT: .LBB23_1: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrh.u16 q1, [r0], #8
; CHECK-NEXT: vmaxnma.f16 q1, q0
; CHECK-NEXT: vmov q0, q1
; CHECK-NEXT: letp lr, .LBB23_1
; CHECK-NEXT: @ %bb.2:
; CHECK-NEXT: vldr.16 s0, .LCPI23_0
; CHECK-NEXT: vmov r0, s0
; CHECK-NEXT: vmaxnmav.f16 r0, q1
; CHECK-NEXT: vmov s0, r0
; CHECK-NEXT: vstr.16 s0, [r2]
; CHECK-NEXT: pop {r7, pc}
; CHECK-NEXT: .p2align 1
; CHECK-NEXT: @ %bb.3:
; CHECK-NEXT: .LCPI23_0:
; CHECK-NEXT: .short 0x0000 @ half 0
br label %4
4: ; preds = %4, %3
%5 = phi <8 x half> [ zeroinitializer, %3 ], [ %12, %4 ]
%6 = phi i32 [ %1, %3 ], [ %13, %4 ]
%7 = phi half* [ %0, %3 ], [ %11, %4 ]
%8 = tail call <8 x i1> @llvm.arm.mve.vctp16(i32 %6)
%9 = bitcast half* %7 to <8 x half>*
%10 = tail call fast <8 x half> @llvm.masked.load.v8f16.p0v8f16(<8 x half>* %9, i32 4, <8 x i1> %8, <8 x half> zeroinitializer)
%11 = getelementptr inbounds half, half* %7, i32 4
%12 = tail call fast <8 x half> @llvm.arm.mve.vmaxnma.predicated.v8f16.v8i1(<8 x half> %10, <8 x half> %5, <8 x i1> %8)
%13 = add nsw i32 %6, -8
%14 = icmp sgt i32 %6, 8
br i1 %14, label %4, label %15
15: ; preds = %4
%16 = tail call fast half @llvm.arm.mve.maxnmav.f16.v8f16(half 0.000000e+00, <8 x half> %12)
store half %16, half* %2, align 4
ret void
}
declare <4 x i1> @llvm.arm.mve.vctp32(i32)
declare <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>*, i32 immarg, <4 x i1>, <4 x float>)
declare <4 x float> @llvm.arm.mve.vminnma.predicated.v4f32.v4i1(<4 x float>, <4 x float>, <4 x i1>)
declare <4 x float> @llvm.arm.mve.vmaxnma.predicated.v4f32.v4i1(<4 x float>, <4 x float>, <4 x i1>)
declare float @llvm.arm.mve.maxnmav.f32.v4f32(float, <4 x float>)
declare <4 x float> @llvm.fabs.v4f32(<4 x float>)
declare <4 x float> @llvm.maxnum.v4f32(<4 x float>, <4 x float>)
declare <4 x float> @llvm.minnum.v4f32(<4 x float>, <4 x float>)
declare <8 x i1> @llvm.arm.mve.vctp16(i32)
declare <8 x half> @llvm.masked.load.v8f16.p0v8f16(<8 x half>*, i32 immarg, <8 x i1>, <8 x half>)
declare <8 x half> @llvm.arm.mve.vminnma.predicated.v8f16.v8i1(<8 x half>, <8 x half>, <8 x i1>)
declare <8 x half> @llvm.arm.mve.vmaxnma.predicated.v8f16.v8i1(<8 x half>, <8 x half>, <8 x i1>)
declare half @llvm.arm.mve.maxnmav.f16.v8f16(half, <8 x half>)
declare <8 x half> @llvm.fabs.v8f16(<8 x half>)
declare <8 x half> @llvm.maxnum.v8f16(<8 x half>, <8 x half>)
declare <8 x half> @llvm.minnum.v8f16(<8 x half>, <8 x half>)
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