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llvm-mirror/test/CodeGen/Thumb2/mve-vcvt16.ll
David Green 684e62e531 [ARM] Remove hasSideEffects from FP converts
Whether an instruction is deemed to have side effects in determined by
whether it has a tblgen pattern that emits a single instruction.
Because of the way a lot of the the vcvt instructions are specified
either in dagtodag code or with patterns that emit multiple
instructions, they don't get marked as not having side effects.

This just marks them as not having side effects manually. It can help
especially with instruction scheduling, to not create artificial
barriers, but one of these tests also managed to produce fewer
instructions.

Differential Revision: https://reviews.llvm.org/D81639
2020-07-05 16:23:24 +01:00

342 lines
12 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve.fp -verify-machineinstrs %s -o - | FileCheck %s
define arm_aapcs_vfpcc <4 x float> @fpext_4(<4 x half> %src1) {
; CHECK-LABEL: fpext_4:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcvtt.f32.f16 s7, s1
; CHECK-NEXT: vcvtb.f32.f16 s6, s1
; CHECK-NEXT: vcvtt.f32.f16 s5, s0
; CHECK-NEXT: vcvtb.f32.f16 s4, s0
; CHECK-NEXT: vmov q0, q1
; CHECK-NEXT: bx lr
entry:
%out = fpext <4 x half> %src1 to <4 x float>
ret <4 x float> %out
}
define arm_aapcs_vfpcc <8 x float> @fpext_8(<8 x half> %src1) {
; CHECK-LABEL: fpext_8:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vmov q2, q0
; CHECK-NEXT: vcvtt.f32.f16 s3, s9
; CHECK-NEXT: vcvtt.f32.f16 s7, s11
; CHECK-NEXT: vcvtb.f32.f16 s2, s9
; CHECK-NEXT: vcvtb.f32.f16 s6, s11
; CHECK-NEXT: vcvtt.f32.f16 s1, s8
; CHECK-NEXT: vcvtt.f32.f16 s5, s10
; CHECK-NEXT: vcvtb.f32.f16 s0, s8
; CHECK-NEXT: vcvtb.f32.f16 s4, s10
; CHECK-NEXT: bx lr
entry:
%out = fpext <8 x half> %src1 to <8 x float>
ret <8 x float> %out
}
define arm_aapcs_vfpcc <4 x half> @fptrunc_4(<4 x float> %src1) {
; CHECK-LABEL: fptrunc_4:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcvtb.f16.f32 s4, s0
; CHECK-NEXT: vcvtt.f16.f32 s4, s1
; CHECK-NEXT: vcvtb.f16.f32 s5, s2
; CHECK-NEXT: vcvtt.f16.f32 s5, s3
; CHECK-NEXT: vmov q0, q1
; CHECK-NEXT: bx lr
entry:
%out = fptrunc <4 x float> %src1 to <4 x half>
ret <4 x half> %out
}
define arm_aapcs_vfpcc <8 x half> @fptrunc_8(<8 x float> %src1) {
; CHECK-LABEL: fptrunc_8:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vmov q2, q0
; CHECK-NEXT: vcvtb.f16.f32 s0, s8
; CHECK-NEXT: vcvtt.f16.f32 s0, s9
; CHECK-NEXT: vcvtb.f16.f32 s1, s10
; CHECK-NEXT: vcvtt.f16.f32 s1, s11
; CHECK-NEXT: vcvtb.f16.f32 s2, s4
; CHECK-NEXT: vcvtt.f16.f32 s2, s5
; CHECK-NEXT: vcvtb.f16.f32 s3, s6
; CHECK-NEXT: vcvtt.f16.f32 s3, s7
; CHECK-NEXT: bx lr
entry:
%out = fptrunc <8 x float> %src1 to <8 x half>
ret <8 x half> %out
}
define arm_aapcs_vfpcc <8 x half> @shuffle_trunc1(<4 x float> %src1, <4 x float> %src2) {
; CHECK-LABEL: shuffle_trunc1:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcvtb.f16.f32 q0, q0
; CHECK-NEXT: vcvtt.f16.f32 q0, q1
; CHECK-NEXT: bx lr
entry:
%strided.vec = shufflevector <4 x float> %src1, <4 x float> %src2, <8 x i32> <i32 0, i32 4, i32 1, i32 5, i32 2, i32 6, i32 3, i32 7>
%out = fptrunc <8 x float> %strided.vec to <8 x half>
ret <8 x half> %out
}
define arm_aapcs_vfpcc <8 x half> @shuffle_trunc2(<4 x float> %src1, <4 x float> %src2) {
; CHECK-LABEL: shuffle_trunc2:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcvtb.f16.f32 q1, q1
; CHECK-NEXT: vcvtt.f16.f32 q1, q0
; CHECK-NEXT: vmov q0, q1
; CHECK-NEXT: bx lr
entry:
%strided.vec = shufflevector <4 x float> %src1, <4 x float> %src2, <8 x i32> <i32 4, i32 0, i32 5, i32 1, i32 6, i32 2, i32 7, i32 3>
%out = fptrunc <8 x float> %strided.vec to <8 x half>
ret <8 x half> %out
}
define arm_aapcs_vfpcc <16 x half> @shuffle_trunc3(<8 x float> %src1, <8 x float> %src2) {
; CHECK-LABEL: shuffle_trunc3:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcvtb.f16.f32 q0, q0
; CHECK-NEXT: vcvtb.f16.f32 q1, q1
; CHECK-NEXT: vcvtt.f16.f32 q0, q2
; CHECK-NEXT: vcvtt.f16.f32 q1, q3
; CHECK-NEXT: bx lr
entry:
%strided.vec = shufflevector <8 x float> %src1, <8 x float> %src2, <16 x i32> <i32 0, i32 8, i32 1, i32 9, i32 2, i32 10, i32 3, i32 11, i32 4, i32 12, i32 5, i32 13, i32 6, i32 14, i32 7, i32 15>
%out = fptrunc <16 x float> %strided.vec to <16 x half>
ret <16 x half> %out
}
define arm_aapcs_vfpcc <16 x half> @shuffle_trunc4(<8 x float> %src1, <8 x float> %src2) {
; CHECK-LABEL: shuffle_trunc4:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcvtb.f16.f32 q2, q2
; CHECK-NEXT: vcvtb.f16.f32 q3, q3
; CHECK-NEXT: vcvtt.f16.f32 q2, q0
; CHECK-NEXT: vcvtt.f16.f32 q3, q1
; CHECK-NEXT: vmov q0, q2
; CHECK-NEXT: vmov q1, q3
; CHECK-NEXT: bx lr
entry:
%strided.vec = shufflevector <8 x float> %src1, <8 x float> %src2, <16 x i32> <i32 8, i32 0, i32 9, i32 1, i32 10, i32 2, i32 11, i32 3, i32 12, i32 4, i32 13, i32 5, i32 14, i32 6, i32 15, i32 7>
%out = fptrunc <16 x float> %strided.vec to <16 x half>
ret <16 x half> %out
}
define arm_aapcs_vfpcc <8 x half> @shuffle_trunc5(<4 x float> %src1, <4 x float> %src2) {
; CHECK-LABEL: shuffle_trunc5:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcvtb.f16.f32 q0, q0
; CHECK-NEXT: vcvtt.f16.f32 q0, q1
; CHECK-NEXT: bx lr
entry:
%out1 = fptrunc <4 x float> %src1 to <4 x half>
%out2 = fptrunc <4 x float> %src2 to <4 x half>
%s = shufflevector <4 x half> %out1, <4 x half> %out2, <8 x i32> <i32 0, i32 4, i32 1, i32 5, i32 2, i32 6, i32 3, i32 7>
ret <8 x half> %s
}
define arm_aapcs_vfpcc <8 x half> @shuffle_trunc6(<4 x float> %src1, <4 x float> %src2) {
; CHECK-LABEL: shuffle_trunc6:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcvtb.f16.f32 q1, q1
; CHECK-NEXT: vcvtt.f16.f32 q1, q0
; CHECK-NEXT: vmov q0, q1
; CHECK-NEXT: bx lr
entry:
%out1 = fptrunc <4 x float> %src1 to <4 x half>
%out2 = fptrunc <4 x float> %src2 to <4 x half>
%s = shufflevector <4 x half> %out1, <4 x half> %out2, <8 x i32> <i32 4, i32 0, i32 5, i32 1, i32 6, i32 2, i32 7, i32 3>
ret <8 x half> %s
}
define arm_aapcs_vfpcc <16 x half> @shuffle_trunc7(<8 x float> %src1, <8 x float> %src2) {
; CHECK-LABEL: shuffle_trunc7:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcvtb.f16.f32 q0, q0
; CHECK-NEXT: vcvtb.f16.f32 q1, q1
; CHECK-NEXT: vcvtt.f16.f32 q0, q2
; CHECK-NEXT: vcvtt.f16.f32 q1, q3
; CHECK-NEXT: bx lr
entry:
%out1 = fptrunc <8 x float> %src1 to <8 x half>
%out2 = fptrunc <8 x float> %src2 to <8 x half>
%s = shufflevector <8 x half> %out1, <8 x half> %out2, <16 x i32> <i32 0, i32 8, i32 1, i32 9, i32 2, i32 10, i32 3, i32 11, i32 4, i32 12, i32 5, i32 13, i32 6, i32 14, i32 7, i32 15>
ret <16 x half> %s
}
define arm_aapcs_vfpcc <16 x half> @shuffle_trunc8(<8 x float> %src1, <8 x float> %src2) {
; CHECK-LABEL: shuffle_trunc8:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcvtb.f16.f32 q2, q2
; CHECK-NEXT: vcvtb.f16.f32 q3, q3
; CHECK-NEXT: vcvtt.f16.f32 q2, q0
; CHECK-NEXT: vcvtt.f16.f32 q3, q1
; CHECK-NEXT: vmov q0, q2
; CHECK-NEXT: vmov q1, q3
; CHECK-NEXT: bx lr
entry:
%out1 = fptrunc <8 x float> %src1 to <8 x half>
%out2 = fptrunc <8 x float> %src2 to <8 x half>
%s = shufflevector <8 x half> %out1, <8 x half> %out2, <16 x i32> <i32 8, i32 0, i32 9, i32 1, i32 10, i32 2, i32 11, i32 3, i32 12, i32 4, i32 13, i32 5, i32 14, i32 6, i32 15, i32 7>
ret <16 x half> %s
}
define arm_aapcs_vfpcc <4 x float> @load_ext_4(<4 x half>* %src) {
; CHECK-LABEL: load_ext_4:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vldrh.u32 q0, [r0]
; CHECK-NEXT: vcvtb.f32.f16 q0, q0
; CHECK-NEXT: bx lr
entry:
%wide.load = load <4 x half>, <4 x half>* %src, align 4
%e = fpext <4 x half> %wide.load to <4 x float>
ret <4 x float> %e
}
define arm_aapcs_vfpcc <8 x float> @load_ext_8(<8 x half>* %src) {
; CHECK-LABEL: load_ext_8:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vldrh.u32 q0, [r0]
; CHECK-NEXT: vldrh.u32 q1, [r0, #8]
; CHECK-NEXT: vcvtb.f32.f16 q0, q0
; CHECK-NEXT: vcvtb.f32.f16 q1, q1
; CHECK-NEXT: bx lr
entry:
%wide.load = load <8 x half>, <8 x half>* %src, align 4
%e = fpext <8 x half> %wide.load to <8 x float>
ret <8 x float> %e
}
define arm_aapcs_vfpcc <16 x float> @load_ext_16(<16 x half>* %src) {
; CHECK-LABEL: load_ext_16:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vldrh.u32 q0, [r0]
; CHECK-NEXT: vldrh.u32 q1, [r0, #8]
; CHECK-NEXT: vldrh.u32 q2, [r0, #16]
; CHECK-NEXT: vldrh.u32 q3, [r0, #24]
; CHECK-NEXT: vcvtb.f32.f16 q0, q0
; CHECK-NEXT: vcvtb.f32.f16 q1, q1
; CHECK-NEXT: vcvtb.f32.f16 q2, q2
; CHECK-NEXT: vcvtb.f32.f16 q3, q3
; CHECK-NEXT: bx lr
entry:
%wide.load = load <16 x half>, <16 x half>* %src, align 4
%e = fpext <16 x half> %wide.load to <16 x float>
ret <16 x float> %e
}
define arm_aapcs_vfpcc <4 x float> @load_shuffleext_8(<8 x half>* %src) {
; CHECK-LABEL: load_shuffleext_8:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vldrw.u32 q0, [r0]
; CHECK-NEXT: vcvtb.f32.f16 q0, q0
; CHECK-NEXT: bx lr
entry:
%wide.load = load <8 x half>, <8 x half>* %src, align 4
%sh = shufflevector <8 x half> %wide.load, <8 x half> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
%e = fpext <4 x half> %sh to <4 x float>
ret <4 x float> %e
}
define arm_aapcs_vfpcc <8 x float> @load_shuffleext_16(<16 x half>* %src) {
; CHECK-LABEL: load_shuffleext_16:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vld20.16 {q2, q3}, [r0]
; CHECK-NEXT: vld21.16 {q2, q3}, [r0]
; CHECK-NEXT: vcvtt.f32.f16 s3, s9
; CHECK-NEXT: vcvtt.f32.f16 s7, s11
; CHECK-NEXT: vcvtb.f32.f16 s2, s9
; CHECK-NEXT: vcvtb.f32.f16 s6, s11
; CHECK-NEXT: vcvtt.f32.f16 s1, s8
; CHECK-NEXT: vcvtt.f32.f16 s5, s10
; CHECK-NEXT: vcvtb.f32.f16 s0, s8
; CHECK-NEXT: vcvtb.f32.f16 s4, s10
; CHECK-NEXT: bx lr
entry:
%wide.load = load <16 x half>, <16 x half>* %src, align 4
%sh = shufflevector <16 x half> %wide.load, <16 x half> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
%e = fpext <8 x half> %sh to <8 x float>
ret <8 x float> %e
}
define arm_aapcs_vfpcc void @store_trunc_4(<4 x half>* %src, <4 x float> %val) {
; CHECK-LABEL: store_trunc_4:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcvtb.f16.f32 q0, q0
; CHECK-NEXT: vstrh.32 q0, [r0]
; CHECK-NEXT: bx lr
entry:
%e = fptrunc <4 x float> %val to <4 x half>
store <4 x half> %e, <4 x half>* %src, align 4
ret void
}
define arm_aapcs_vfpcc void @store_trunc_8(<8 x half>* %src, <8 x float> %val) {
; CHECK-LABEL: store_trunc_8:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcvtb.f16.f32 q1, q1
; CHECK-NEXT: vcvtb.f16.f32 q0, q0
; CHECK-NEXT: vstrh.32 q1, [r0, #8]
; CHECK-NEXT: vstrh.32 q0, [r0]
; CHECK-NEXT: bx lr
entry:
%e = fptrunc <8 x float> %val to <8 x half>
store <8 x half> %e, <8 x half>* %src, align 4
ret void
}
define arm_aapcs_vfpcc void @store_trunc_16(<16 x half>* %src, <16 x float> %val) {
; CHECK-LABEL: store_trunc_16:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcvtb.f16.f32 q3, q3
; CHECK-NEXT: vcvtb.f16.f32 q2, q2
; CHECK-NEXT: vcvtb.f16.f32 q1, q1
; CHECK-NEXT: vcvtb.f16.f32 q0, q0
; CHECK-NEXT: vstrh.32 q3, [r0, #24]
; CHECK-NEXT: vstrh.32 q2, [r0, #16]
; CHECK-NEXT: vstrh.32 q1, [r0, #8]
; CHECK-NEXT: vstrh.32 q0, [r0]
; CHECK-NEXT: bx lr
entry:
%e = fptrunc <16 x float> %val to <16 x half>
store <16 x half> %e, <16 x half>* %src, align 4
ret void
}
define arm_aapcs_vfpcc void @store_shuffletrunc_8(<8 x half>* %src, <4 x float> %val1, <4 x float> %val2) {
; CHECK-LABEL: store_shuffletrunc_8:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcvtb.f16.f32 q0, q0
; CHECK-NEXT: vcvtt.f16.f32 q0, q1
; CHECK-NEXT: vstrw.32 q0, [r0]
; CHECK-NEXT: bx lr
entry:
%strided.vec = shufflevector <4 x float> %val1, <4 x float> %val2, <8 x i32> <i32 0, i32 4, i32 1, i32 5, i32 2, i32 6, i32 3, i32 7>
%out = fptrunc <8 x float> %strided.vec to <8 x half>
store <8 x half> %out, <8 x half>* %src, align 4
ret void
}
define arm_aapcs_vfpcc void @store_shuffletrunc_16(<16 x half>* %src, <8 x float> %val1, <8 x float> %val2) {
; CHECK-LABEL: store_shuffletrunc_16:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcvtb.f16.f32 q1, q1
; CHECK-NEXT: vcvtb.f16.f32 q0, q0
; CHECK-NEXT: vcvtt.f16.f32 q1, q3
; CHECK-NEXT: vcvtt.f16.f32 q0, q2
; CHECK-NEXT: vstrw.32 q1, [r0, #16]
; CHECK-NEXT: vstrw.32 q0, [r0]
; CHECK-NEXT: bx lr
entry:
%strided.vec = shufflevector <8 x float> %val1, <8 x float> %val2, <16 x i32> <i32 0, i32 8, i32 1, i32 9, i32 2, i32 10, i32 3, i32 11, i32 4, i32 12, i32 5, i32 13, i32 6, i32 14, i32 7, i32 15>
%out = fptrunc <16 x float> %strided.vec to <16 x half>
store <16 x half> %out, <16 x half>* %src, align 4
ret void
}