https://github.com/jthackray created 
https://github.com/llvm/llvm-project/pull/177334

For FEAT_FPRCVT instructions, allow them to run in streaming mode if safe

>From 79cbbac60dbdfed6f2f1b2815a890c96aa6a6a59 Mon Sep 17 00:00:00 2001
From: Jonathan Thackray <[email protected]>
Date: Thu, 8 Jan 2026 16:08:36 +0000
Subject: [PATCH] [AArch64][llvm] Allow FPRCVT insns to run in streaming mode
 if safe

For FEAT_FPRCVT instructions, allow them to run in streaming mode if safe
---
 .../Target/AArch64/AArch64ISelLowering.cpp    |   3 +
 llvm/lib/Target/AArch64/AArch64InstrInfo.td   |   4 +-
 .../CodeGen/AArch64/arm64-cvt-simd-fptoi.ll   | 126 +++++-------------
 .../CodeGen/AArch64/arm64-cvtf-simd-itofp.ll  |  30 ++---
 4 files changed, 49 insertions(+), 114 deletions(-)

diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp 
b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
index 0fff8f52d6632..a5b18ac7cabca 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -20409,6 +20409,9 @@ tryToReplaceScalarFPConversionWithSVE(SDNode *N, 
SelectionDAG &DAG,
       N->getOpcode() == ISD::FP_TO_UINT_SAT)
     return SDValue();
 
+  if (Subtarget->isStreaming() && Subtarget->hasFPRCVT())
+    return SDValue();
+
   if (!Subtarget->isSVEorStreamingSVEAvailable() ||
       (!Subtarget->isStreaming() && !Subtarget->isStreamingCompatible()))
     return SDValue();
diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.td 
b/llvm/lib/Target/AArch64/AArch64InstrInfo.td
index 59a3b2d36e0f0..9ce89e83b9a26 100644
--- a/llvm/lib/Target/AArch64/AArch64InstrInfo.td
+++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.td
@@ -5318,7 +5318,7 @@ defm FCVTZU : FPToIntegerUnscaled<0b11, 0b001, "fcvtzu", 
any_fp_to_uint>;
 defm FCVTZS : FPToIntegerScaled<0b11, 0b000, "fcvtzs", any_fp_to_sint>;
 defm FCVTZU : FPToIntegerScaled<0b11, 0b001, "fcvtzu", any_fp_to_uint>;
 
-let Predicates = [HasNEON, HasFPRCVT] in{
+let Predicates = [HasNEONandIsStreamingSafe, HasFPRCVT] in{
   defm FCVTAS : FPToIntegerSIMDScalar<0b11, 0b010, "fcvtas", 
int_aarch64_neon_fcvtas>;
   defm FCVTAU : FPToIntegerSIMDScalar<0b11, 0b011, "fcvtau", 
int_aarch64_neon_fcvtau>;
   defm FCVTMS : FPToIntegerSIMDScalar<0b10, 0b100, "fcvtms", 
int_aarch64_neon_fcvtms>;
@@ -5361,7 +5361,7 @@ def : Pat<(i64 (any_llround f64:$Rn)),
 defm SCVTF : IntegerToFP<0b00, 0b010, "scvtf", any_sint_to_fp>;
 defm UCVTF : IntegerToFP<0b00, 0b011, "ucvtf", any_uint_to_fp>;
 
-let Predicates = [HasNEON, HasFPRCVT] in {
+let Predicates = [HasNEONandIsStreamingSafe, HasFPRCVT] in {
   defm SCVTF : IntegerToFPSIMDScalar<0b11, 0b100, "scvtf", any_sint_to_fp>;
   defm UCVTF : IntegerToFPSIMDScalar<0b11, 0b101, "ucvtf", any_uint_to_fp>;
 
diff --git a/llvm/test/CodeGen/AArch64/arm64-cvt-simd-fptoi.ll 
b/llvm/test/CodeGen/AArch64/arm64-cvt-simd-fptoi.ll
index 98bd2bc46a7ff..de7ddae5256e7 100644
--- a/llvm/test/CodeGen/AArch64/arm64-cvt-simd-fptoi.ll
+++ b/llvm/test/CodeGen/AArch64/arm64-cvt-simd-fptoi.ll
@@ -36,8 +36,7 @@ define float @test_fptosi_f16_i32_simd(half %a)  {
 ;
 ; CHECK-SME-LABEL: test_fptosi_f16_i32_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.s
-; CHECK-SME-NEXT:    fcvtzs z0.s, p0/m, z0.h
+; CHECK-SME-NEXT:    fcvtzs s0, h0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: test_fptosi_f16_i32_simd:
@@ -66,8 +65,7 @@ define double @test_fptosi_f16_i64_simd(half %a)  {
 ;
 ; CHECK-SME-LABEL: test_fptosi_f16_i64_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzs z0.d, p0/m, z0.h
+; CHECK-SME-NEXT:    fcvtzs d0, h0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: test_fptosi_f16_i64_simd:
@@ -122,8 +120,7 @@ define double @test_fptosi_f32_i64_simd(float %a)  {
 ;
 ; CHECK-SME-LABEL: test_fptosi_f32_i64_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzs z0.d, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtzs d0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: test_fptosi_f32_i64_simd:
@@ -151,8 +148,7 @@ define double @test_fptosi_f64_i64_simd(double %a)  {
 ;
 ; CHECK-SME-LABEL: test_fptosi_f64_i64_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzs z0.d, p0/m, z0.d
+; CHECK-SME-NEXT:    fcvtzs d0, d0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: test_fptosi_f64_i64_simd:
@@ -181,8 +177,7 @@ define float @test_fptosi_f32_i32_simd(float %a)  {
 ;
 ; CHECK-SME-LABEL: test_fptosi_f32_i32_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.s
-; CHECK-SME-NEXT:    fcvtzs z0.s, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtzs s0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: test_fptosi_f32_i32_simd:
@@ -211,8 +206,7 @@ define float @test_fptoui_f16_i32_simd(half %a)  {
 ;
 ; CHECK-SME-LABEL: test_fptoui_f16_i32_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.s
-; CHECK-SME-NEXT:    fcvtzu z0.s, p0/m, z0.h
+; CHECK-SME-NEXT:    fcvtzu s0, h0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: test_fptoui_f16_i32_simd:
@@ -241,8 +235,7 @@ define double @test_fptoui_f16_i64_simd(half %a)  {
 ;
 ; CHECK-SME-LABEL: test_fptoui_f16_i64_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzu z0.d, p0/m, z0.h
+; CHECK-SME-NEXT:    fcvtzu d0, h0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: test_fptoui_f16_i64_simd:
@@ -297,8 +290,7 @@ define double @test_fptoui_f32_i64_simd(float %a)  {
 ;
 ; CHECK-SME-LABEL: test_fptoui_f32_i64_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzu z0.d, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtzu d0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: test_fptoui_f32_i64_simd:
@@ -326,8 +318,7 @@ define double @test_fptoui_f64_i64_simd(double %a)  {
 ;
 ; CHECK-SME-LABEL: test_fptoui_f64_i64_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzu z0.d, p0/m, z0.d
+; CHECK-SME-NEXT:    fcvtzu d0, d0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: test_fptoui_f64_i64_simd:
@@ -356,8 +347,7 @@ define float @test_fptoui_f32_i32_simd(float %a)  {
 ;
 ; CHECK-SME-LABEL: test_fptoui_f32_i32_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.s
-; CHECK-SME-NEXT:    fcvtzu z0.s, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtzu s0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: test_fptoui_f32_i32_simd:
@@ -706,9 +696,7 @@ define double @fcvtas_ds_round_simd(float %a) {
 ;
 ; CHECK-SME-LABEL: fcvtas_ds_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frinta s0, s0
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzs z0.d, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtas d0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtas_ds_round_simd:
@@ -764,9 +752,7 @@ define float @fcvtas_ss_round_simd(float %a) {
 ;
 ; CHECK-SME-LABEL: fcvtas_ss_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frinta s0, s0
-; CHECK-SME-NEXT:    ptrue p0.s
-; CHECK-SME-NEXT:    fcvtzs z0.s, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtas s0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtas_ss_round_simd:
@@ -795,9 +781,7 @@ define double @fcvtas_dd_round_simd(double %a) {
 ;
 ; CHECK-SME-LABEL: fcvtas_dd_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frinta d0, d0
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzs z0.d, p0/m, z0.d
+; CHECK-SME-NEXT:    fcvtas d0, d0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtas_dd_round_simd:
@@ -828,9 +812,7 @@ define double @fcvtau_ds_round_simd(float %a) {
 ;
 ; CHECK-SME-LABEL: fcvtau_ds_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frinta s0, s0
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzu z0.d, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtau d0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtau_ds_round_simd:
@@ -886,9 +868,7 @@ define float @fcvtau_ss_round_simd(float %a) {
 ;
 ; CHECK-SME-LABEL: fcvtau_ss_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frinta s0, s0
-; CHECK-SME-NEXT:    ptrue p0.s
-; CHECK-SME-NEXT:    fcvtzs z0.s, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtas s0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtau_ss_round_simd:
@@ -917,9 +897,7 @@ define double @fcvtau_dd_round_simd(double %a) {
 ;
 ; CHECK-SME-LABEL: fcvtau_dd_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frinta d0, d0
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzs z0.d, p0/m, z0.d
+; CHECK-SME-NEXT:    fcvtas d0, d0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtau_dd_round_simd:
@@ -950,9 +928,7 @@ define double @fcvtms_ds_round_simd(float %a) {
 ;
 ; CHECK-SME-LABEL: fcvtms_ds_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintm s0, s0
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzs z0.d, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtms d0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtms_ds_round_simd:
@@ -1008,9 +984,7 @@ define float @fcvtms_ss_round_simd(float %a) {
 ;
 ; CHECK-SME-LABEL: fcvtms_ss_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintm s0, s0
-; CHECK-SME-NEXT:    ptrue p0.s
-; CHECK-SME-NEXT:    fcvtzs z0.s, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtms s0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtms_ss_round_simd:
@@ -1039,9 +1013,7 @@ define double @fcvtms_dd_round_simd(double %a) {
 ;
 ; CHECK-SME-LABEL: fcvtms_dd_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintm d0, d0
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzs z0.d, p0/m, z0.d
+; CHECK-SME-NEXT:    fcvtms d0, d0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtms_dd_round_simd:
@@ -1073,9 +1045,7 @@ define double @fcvtmu_ds_round_simd(float %a) {
 ;
 ; CHECK-SME-LABEL: fcvtmu_ds_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintm s0, s0
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzu z0.d, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtmu d0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtmu_ds_round_simd:
@@ -1131,9 +1101,7 @@ define float @fcvtmu_ss_round_simd(float %a) {
 ;
 ; CHECK-SME-LABEL: fcvtmu_ss_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintm s0, s0
-; CHECK-SME-NEXT:    ptrue p0.s
-; CHECK-SME-NEXT:    fcvtzs z0.s, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtms s0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtmu_ss_round_simd:
@@ -1162,9 +1130,7 @@ define double @fcvtmu_dd_round_simd(double %a) {
 ;
 ; CHECK-SME-LABEL: fcvtmu_dd_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintm d0, d0
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzs z0.d, p0/m, z0.d
+; CHECK-SME-NEXT:    fcvtms d0, d0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtmu_dd_round_simd:
@@ -1195,9 +1161,7 @@ define double @fcvtps_ds_round_simd(float %a) {
 ;
 ; CHECK-SME-LABEL: fcvtps_ds_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintp s0, s0
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzs z0.d, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtps d0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtps_ds_round_simd:
@@ -1253,9 +1217,7 @@ define float @fcvtps_ss_round_simd(float %a) {
 ;
 ; CHECK-SME-LABEL: fcvtps_ss_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintp s0, s0
-; CHECK-SME-NEXT:    ptrue p0.s
-; CHECK-SME-NEXT:    fcvtzs z0.s, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtps s0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtps_ss_round_simd:
@@ -1284,9 +1246,7 @@ define double @fcvtps_dd_round_simd(double %a) {
 ;
 ; CHECK-SME-LABEL: fcvtps_dd_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintp d0, d0
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzs z0.d, p0/m, z0.d
+; CHECK-SME-NEXT:    fcvtps d0, d0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtps_dd_round_simd:
@@ -1317,9 +1277,7 @@ define double @fcvtpu_ds_round_simd(float %a) {
 ;
 ; CHECK-SME-LABEL: fcvtpu_ds_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintp s0, s0
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzu z0.d, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtpu d0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtpu_ds_round_simd:
@@ -1375,9 +1333,7 @@ define float @fcvtpu_ss_round_simd(float %a) {
 ;
 ; CHECK-SME-LABEL: fcvtpu_ss_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintp s0, s0
-; CHECK-SME-NEXT:    ptrue p0.s
-; CHECK-SME-NEXT:    fcvtzs z0.s, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtps s0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtpu_ss_round_simd:
@@ -1406,9 +1362,7 @@ define double @fcvtpu_dd_round_simd(double %a) {
 ;
 ; CHECK-SME-LABEL: fcvtpu_dd_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintp d0, d0
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzs z0.d, p0/m, z0.d
+; CHECK-SME-NEXT:    fcvtps d0, d0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtpu_dd_round_simd:
@@ -1439,9 +1393,7 @@ define double @fcvtzs_ds_round_simd(float %a) {
 ;
 ; CHECK-SME-LABEL: fcvtzs_ds_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintz s0, s0
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzs z0.d, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtzs d0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtzs_ds_round_simd:
@@ -1497,9 +1449,7 @@ define float @fcvtzs_ss_round_simd(float %a) {
 ;
 ; CHECK-SME-LABEL: fcvtzs_ss_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintz s0, s0
-; CHECK-SME-NEXT:    ptrue p0.s
-; CHECK-SME-NEXT:    fcvtzs z0.s, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtzs s0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtzs_ss_round_simd:
@@ -1528,9 +1478,7 @@ define double @fcvtzs_dd_round_simd(double %a) {
 ;
 ; CHECK-SME-LABEL: fcvtzs_dd_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintz d0, d0
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzs z0.d, p0/m, z0.d
+; CHECK-SME-NEXT:    fcvtzs d0, d0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtzs_dd_round_simd:
@@ -1560,9 +1508,7 @@ define double @fcvtzu_ds_round_simd(float %a) {
 ;
 ; CHECK-SME-LABEL: fcvtzu_ds_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintz s0, s0
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzu z0.d, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtzu d0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtzu_ds_round_simd:
@@ -1618,9 +1564,7 @@ define float @fcvtzu_ss_round_simd(float %a) {
 ;
 ; CHECK-SME-LABEL: fcvtzu_ss_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintz s0, s0
-; CHECK-SME-NEXT:    ptrue p0.s
-; CHECK-SME-NEXT:    fcvtzs z0.s, p0/m, z0.s
+; CHECK-SME-NEXT:    fcvtzs s0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtzu_ss_round_simd:
@@ -1649,9 +1593,7 @@ define double @fcvtzu_dd_round_simd(double %a) {
 ;
 ; CHECK-SME-LABEL: fcvtzu_dd_round_simd:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    frintz d0, d0
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    fcvtzs z0.d, p0/m, z0.d
+; CHECK-SME-NEXT:    fcvtzs d0, d0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: fcvtzu_dd_round_simd:
diff --git a/llvm/test/CodeGen/AArch64/arm64-cvtf-simd-itofp.ll 
b/llvm/test/CodeGen/AArch64/arm64-cvtf-simd-itofp.ll
index ab7d880b0d8e6..44594fad93d08 100644
--- a/llvm/test/CodeGen/AArch64/arm64-cvtf-simd-itofp.ll
+++ b/llvm/test/CodeGen/AArch64/arm64-cvtf-simd-itofp.ll
@@ -51,8 +51,7 @@ define half @scvtf_bitcast_f32_to_f16(float %f) nounwind {
 ;
 ; CHECK-SME-LABEL: scvtf_bitcast_f32_to_f16:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.s
-; CHECK-SME-NEXT:    scvtf z0.h, p0/m, z0.s
+; CHECK-SME-NEXT:    scvtf h0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: scvtf_bitcast_f32_to_f16:
@@ -75,8 +74,7 @@ define half @ucvtf_bitcast_f32_to_f16(float %f) nounwind {
 ;
 ; CHECK-SME-LABEL: ucvtf_bitcast_f32_to_f16:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.s
-; CHECK-SME-NEXT:    ucvtf z0.h, p0/m, z0.s
+; CHECK-SME-NEXT:    ucvtf h0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: ucvtf_bitcast_f32_to_f16:
@@ -99,8 +97,7 @@ define float @scvtf_bitcast_f64_to_f32(double %d) nounwind {
 ;
 ; CHECK-SME-LABEL: scvtf_bitcast_f64_to_f32:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    scvtf z0.s, p0/m, z0.d
+; CHECK-SME-NEXT:    scvtf s0, d0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: scvtf_bitcast_f64_to_f32:
@@ -123,8 +120,7 @@ define float @ucvtf_bitcast_f64_to_f32(double %d) nounwind {
 ;
 ; CHECK-SME-LABEL: ucvtf_bitcast_f64_to_f32:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    ucvtf z0.s, p0/m, z0.d
+; CHECK-SME-NEXT:    ucvtf s0, d0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: ucvtf_bitcast_f64_to_f32:
@@ -147,8 +143,7 @@ define half @scvtf_bitcast_f64_to_f16(double %d) nounwind {
 ;
 ; CHECK-SME-LABEL: scvtf_bitcast_f64_to_f16:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    scvtf z0.h, p0/m, z0.d
+; CHECK-SME-NEXT:    scvtf h0, d0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: scvtf_bitcast_f64_to_f16:
@@ -171,8 +166,7 @@ define half @ucvtf_bitcast_f64_to_f16(double %d) nounwind {
 ;
 ; CHECK-SME-LABEL: ucvtf_bitcast_f64_to_f16:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    ucvtf z0.h, p0/m, z0.d
+; CHECK-SME-NEXT:    ucvtf h0, d0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: ucvtf_bitcast_f64_to_f16:
@@ -195,8 +189,7 @@ define float @scvtf_bitcast_f32_to_f32(float %f) nounwind {
 ;
 ; CHECK-SME-LABEL: scvtf_bitcast_f32_to_f32:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.s
-; CHECK-SME-NEXT:    scvtf z0.s, p0/m, z0.s
+; CHECK-SME-NEXT:    scvtf s0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: scvtf_bitcast_f32_to_f32:
@@ -219,8 +212,7 @@ define float @ucvtf_bitcast_f32_to_f32(float %f) nounwind {
 ;
 ; CHECK-SME-LABEL: ucvtf_bitcast_f32_to_f32:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.s
-; CHECK-SME-NEXT:    ucvtf z0.s, p0/m, z0.s
+; CHECK-SME-NEXT:    ucvtf s0, s0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: ucvtf_bitcast_f32_to_f32:
@@ -243,8 +235,7 @@ define double @scvtf_bitcast_f64_to_f64(double %d) nounwind 
{
 ;
 ; CHECK-SME-LABEL: scvtf_bitcast_f64_to_f64:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    scvtf z0.d, p0/m, z0.d
+; CHECK-SME-NEXT:    scvtf d0, d0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: scvtf_bitcast_f64_to_f64:
@@ -267,8 +258,7 @@ define double @ucvtf_bitcast_f64_to_f64(double %d) nounwind 
{
 ;
 ; CHECK-SME-LABEL: ucvtf_bitcast_f64_to_f64:
 ; CHECK-SME:       // %bb.0:
-; CHECK-SME-NEXT:    ptrue p0.d
-; CHECK-SME-NEXT:    ucvtf z0.d, p0/m, z0.d
+; CHECK-SME-NEXT:    ucvtf d0, d0
 ; CHECK-SME-NEXT:    ret
 ;
 ; CHECK-SVE-LABEL: ucvtf_bitcast_f64_to_f64:

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