[clang] [llvm] [AArch64] Fix feature flags dependecies (PR #90612)

via llvm-commits llvm-commits at lists.llvm.org
Tue Apr 30 06:58:29 PDT 2024


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-mc
@llvm/pr-subscribers-clang-driver

@llvm/pr-subscribers-clang

Author: None (Lukacma)

<details>
<summary>Changes</summary>

This patch removes FEAT_FPMR from list of available of architecture features, instead enabling FMPR register by default. 
Additionally dependencies between architectural features are added and fixed.

---

Patch is 25.13 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/90612.diff


8 Files Affected:

- (modified) clang/test/Driver/aarch64-v95a.c (+8) 
- (modified) llvm/include/llvm/TargetParser/AArch64TargetParser.h (+19-13) 
- (modified) llvm/lib/Target/AArch64/AArch64Features.td (+19-21) 
- (modified) llvm/lib/Target/AArch64/AArch64InstrInfo.td (-2) 
- (modified) llvm/lib/Target/AArch64/AArch64SystemOperands.td (+1-3) 
- (modified) llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp (+1-2) 
- (modified) llvm/test/MC/AArch64/FP8/system-regs.s (+8-13) 
- (modified) llvm/unittests/TargetParser/TargetParserTest.cpp (+96-59) 


``````````diff
diff --git a/clang/test/Driver/aarch64-v95a.c b/clang/test/Driver/aarch64-v95a.c
index 1037da65c8cb5c..538ff0876090b2 100644
--- a/clang/test/Driver/aarch64-v95a.c
+++ b/clang/test/Driver/aarch64-v95a.c
@@ -22,6 +22,14 @@
 // RUN: %clang -target aarch64 -march=armv9.5-a+cpa -### -c %s 2>&1 | FileCheck -check-prefix=V95A-CPA %s
 // V95A-CPA: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic" "-target-feature" "+v9.5a"{{.*}} "-target-feature" "+cpa"
 
+// RUN: %clang -target aarch64 -march=armv9.5a+cpa -### -c %s 2>&1 | FileCheck -check-prefix=V95A-LUT %s
+// RUN: %clang -target aarch64 -march=armv9.5-a+cpa -### -c %s 2>&1 | FileCheck -check-prefix=V95A-LUT %s
+// V95A-LUT: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic" "-target-feature" "+v9.5a"{{.*}} "-target-feature" "+lut"
+
+// RUN: %clang -target aarch64 -march=armv9.5a+cpa -### -c %s 2>&1 | FileCheck -check-prefix=V95A-FAMINMAX %s
+// RUN: %clang -target aarch64 -march=armv9.5-a+cpa -### -c %s 2>&1 | FileCheck -check-prefix=V95A-FAMINMAX %s
+// V95A-FAMINMAX: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic" "-target-feature" "+v9.5a"{{.*}} "-target-feature" "+faminmax"
+
 // RUN: %clang -target aarch64 -march=armv9.5a+pauth-lr -### -c %s 2>&1 | FileCheck -check-prefix=V95A-PAUTHLR %s
 // RUN: %clang -target aarch64 -march=armv9.5-a+pauth-lr -### -c %s 2>&1 | FileCheck -check-prefix=V95A-PAUTHLR %s
 // V95A-PAUTHLR: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic" "-target-feature" "+v9.5a"{{.*}} "-target-feature" "+pauth-lr"
diff --git a/llvm/include/llvm/TargetParser/AArch64TargetParser.h b/llvm/include/llvm/TargetParser/AArch64TargetParser.h
index 805b963a7a13c7..b0df70f5343a57 100644
--- a/llvm/include/llvm/TargetParser/AArch64TargetParser.h
+++ b/llvm/include/llvm/TargetParser/AArch64TargetParser.h
@@ -164,7 +164,6 @@ enum ArchExtKind : unsigned {
   AEK_RASv2 =         55, // FEAT_RASv2
   AEK_ITE =           56, // FEAT_ITE
   AEK_GCS =           57, // FEAT_GCS
-  AEK_FPMR =          58, // FEAT_FPMR
   AEK_FP8 =           59, // FEAT_FP8
   AEK_FAMINMAX =      60, // FEAT_FAMINMAX
   AEK_FP8FMA =        61, // FEAT_FP8FMA
@@ -291,18 +290,17 @@ inline constexpr ExtensionInfo Extensions[] = {
     {"tme", AArch64::AEK_TME, "+tme", "-tme", FEAT_INIT, "", 0},
     {"wfxt", AArch64::AEK_NONE, {}, {}, FEAT_WFXT, "+wfxt", 550},
     {"gcs", AArch64::AEK_GCS, "+gcs", "-gcs", FEAT_INIT, "", 0},
-    {"fpmr", AArch64::AEK_FPMR, "+fpmr", "-fpmr", FEAT_INIT, "", 0},
-    {"fp8", AArch64::AEK_FP8, "+fp8", "-fp8", FEAT_INIT, "+fpmr", 0},
+    {"fp8", AArch64::AEK_FP8, "+fp8", "-fp8", FEAT_INIT, "+faminmax, +lut, +bf16", 0},
     {"faminmax", AArch64::AEK_FAMINMAX, "+faminmax", "-faminmax", FEAT_INIT, "", 0},
-    {"fp8fma", AArch64::AEK_FP8FMA, "+fp8fma", "-fp8fma", FEAT_INIT, "+fpmr", 0},
-    {"ssve-fp8fma", AArch64::AEK_SSVE_FP8FMA, "+ssve-fp8fma", "-ssve-fp8fma", FEAT_INIT, "+sme2", 0},
-    {"fp8dot2", AArch64::AEK_FP8DOT2, "+fp8dot2", "-fp8dot2", FEAT_INIT, "", 0},
-    {"ssve-fp8dot2", AArch64::AEK_SSVE_FP8DOT2, "+ssve-fp8dot2", "-ssve-fp8dot2", FEAT_INIT, "+sme2", 0},
-    {"fp8dot4", AArch64::AEK_FP8DOT4, "+fp8dot4", "-fp8dot4", FEAT_INIT, "", 0},
-    {"ssve-fp8dot4", AArch64::AEK_SSVE_FP8DOT4, "+ssve-fp8dot4", "-ssve-fp8dot4", FEAT_INIT, "+sme2", 0},
+    {"fp8fma", AArch64::AEK_FP8FMA, "+fp8fma", "-fp8fma", FEAT_INIT, "+fp8", 0},
+    {"ssve-fp8fma", AArch64::AEK_SSVE_FP8FMA, "+ssve-fp8fma", "-ssve-fp8fma", FEAT_INIT, "+sme2,+fp8", 0},
+    {"fp8dot2", AArch64::AEK_FP8DOT2, "+fp8dot2", "-fp8dot2", FEAT_INIT, "+fp8dot4", 0},
+    {"ssve-fp8dot2", AArch64::AEK_SSVE_FP8DOT2, "+ssve-fp8dot2", "-ssve-fp8dot2", FEAT_INIT, "+ssve-fp8dot4", 0},
+    {"fp8dot4", AArch64::AEK_FP8DOT4, "+fp8dot4", "-fp8dot4", FEAT_INIT, "+fp8fma", 0},
+    {"ssve-fp8dot4", AArch64::AEK_SSVE_FP8DOT4, "+ssve-fp8dot4", "-ssve-fp8dot4", FEAT_INIT, "+ssve-fp8fma", 0},
     {"lut", AArch64::AEK_LUT, "+lut", "-lut", FEAT_INIT, "", 0},
     {"sme-lutv2", AArch64::AEK_SME_LUTv2, "+sme-lutv2", "-sme-lutv2", FEAT_INIT, "", 0},
-    {"sme-f8f16", AArch64::AEK_SMEF8F16, "+sme-f8f16", "-sme-f8f16", FEAT_INIT, "+sme2,+fp8", 0},
+    {"sme-f8f16", AArch64::AEK_SMEF8F16, "+sme-f8f16", "-sme-f8f16", FEAT_INIT, "+sme-f8f32", 0},
     {"sme-f8f32", AArch64::AEK_SMEF8F32, "+sme-f8f32", "-sme-f8f32", FEAT_INIT, "+sme2,+fp8", 0},
     {"sme-fa64",  AArch64::AEK_SMEFA64,  "+sme-fa64", "-sme-fa64",  FEAT_INIT, "", 0},
     {"cpa", AArch64::AEK_CPA, "+cpa", "-cpa", FEAT_INIT, "", 0},
@@ -401,8 +399,6 @@ inline constexpr ExtensionDependency ExtensionDependencies[] = {
   {AEK_SME, AEK_SMEFA64},
   {AEK_SME2, AEK_SME2p1},
   {AEK_SME2, AEK_SSVE_FP8FMA},
-  {AEK_SME2, AEK_SSVE_FP8DOT2},
-  {AEK_SME2, AEK_SSVE_FP8DOT4},
   {AEK_SME2, AEK_SMEF8F16},
   {AEK_SME2, AEK_SMEF8F32},
   {AEK_FP8, AEK_SMEF8F16},
@@ -411,6 +407,16 @@ inline constexpr ExtensionDependency ExtensionDependencies[] = {
   {AEK_PREDRES, AEK_SPECRES2},
   {AEK_RAS, AEK_RASv2},
   {AEK_RCPC, AEK_RCPC3},
+  {AEK_FAMINMAX, AEK_FP8},
+  {AEK_LUT, AEK_FP8},
+  {AEK_BF16, AEK_FP8},
+  {AEK_FP8, AEK_FP8FMA},
+  {AEK_FP8, AEK_SSVE_FP8FMA},
+  {AEK_FP8DOT4, AEK_FP8DOT2},
+  {AEK_SSVE_FP8DOT4, AEK_SSVE_FP8DOT2},
+  {AEK_FP8FMA, AEK_FP8DOT4},
+  {AEK_SSVE_FP8FMA, AEK_SSVE_FP8DOT4},
+  {AEK_SMEF8F32, AEK_SMEF8F16},
 };
 // clang-format on
 
@@ -499,7 +505,7 @@ inline constexpr ArchInfo ARMV9_3A  = { VersionTuple{9, 3}, AProfile, "armv9.3-a
 inline constexpr ArchInfo ARMV9_4A  = { VersionTuple{9, 4}, AProfile, "armv9.4-a", "+v9.4a", (ARMV9_3A.DefaultExts |
                                         AArch64::ExtensionBitset({AArch64::AEK_SPECRES2, AArch64::AEK_CSSC, AArch64::AEK_RASv2}))};
 inline constexpr ArchInfo ARMV9_5A  = { VersionTuple{9, 5}, AProfile, "armv9.5-a", "+v9.5a", (ARMV9_4A.DefaultExts |
-                                        AArch64::ExtensionBitset({AArch64::AEK_CPA}))};
+                                        AArch64::ExtensionBitset({AArch64::AEK_CPA, AArch64::AEK_LUT, AArch64::AEK_FAMINMAX}))};
 // For v8-R, we do not enable crypto and align with GCC that enables a more minimal set of optional architecture extensions.
 inline constexpr ArchInfo ARMV8R    = { VersionTuple{8, 0}, RProfile, "armv8-r", "+v8r", (ARMV8_5A.DefaultExts |
                                         AArch64::ExtensionBitset({AArch64::AEK_SSBS,
diff --git a/llvm/lib/Target/AArch64/AArch64Features.td b/llvm/lib/Target/AArch64/AArch64Features.td
index efda45a72ef424..3a6cfef5b5ac5b 100644
--- a/llvm/lib/Target/AArch64/AArch64Features.td
+++ b/llvm/lib/Target/AArch64/AArch64Features.td
@@ -118,12 +118,6 @@ def FeatureCCPP : SubtargetFeature<"ccpp", "HasCCPP",
 def FeatureSVE : SubtargetFeature<"sve", "HasSVE", "true",
   "Enable Scalable Vector Extension (SVE) instructions (FEAT_SVE)", [FeatureFullFP16]>;
 
-def FeatureFPMR : SubtargetFeature<"fpmr", "HasFPMR", "true",
-  "Enable FPMR Register (FEAT_FPMR)">;
-
-def FeatureFP8 : SubtargetFeature<"fp8", "HasFP8", "true",
-  "Enable FP8 instructions (FEAT_FP8)">;
-
 // This flag is currently still labeled as Experimental, but when fully
 // implemented this should tell the compiler to use the zeroing pseudos to
 // benefit from the reverse instructions (e.g. SUB vs SUBR) if the inactive
@@ -520,34 +514,38 @@ def FeatureSME2p1 : SubtargetFeature<"sme2p1", "HasSME2p1", "true",
 def FeatureFAMINMAX: SubtargetFeature<"faminmax", "HasFAMINMAX", "true",
    "Enable FAMIN and FAMAX instructions (FEAT_FAMINMAX)">;
 
-def FeatureFP8FMA : SubtargetFeature<"fp8fma", "HasFP8FMA", "true",
-  "Enable fp8 multiply-add instructions (FEAT_FP8FMA)">;
+def FeatureLUT: SubtargetFeature<"lut", "HasLUT", "true",
+   "Enable Lookup Table instructions (FEAT_LUT)">;
 
-def FeatureSSVE_FP8FMA : SubtargetFeature<"ssve-fp8fma", "HasSSVE_FP8FMA", "true",
-  "Enable SVE2 fp8 multiply-add instructions (FEAT_SSVE_FP8FMA)", [FeatureSME2]>;
+def FeatureFP8 : SubtargetFeature<"fp8", "HasFP8", "true",
+  "Enable FP8 instructions (FEAT_FP8)", [FeatureFAMINMAX, FeatureLUT, FeatureBF16]>;
 
-def FeatureFP8DOT2: SubtargetFeature<"fp8dot2", "HasFP8DOT2", "true",
-   "Enable fp8 2-way dot instructions (FEAT_FP8DOT2)">;
+def FeatureFP8FMA : SubtargetFeature<"fp8fma", "HasFP8FMA", "true",
+  "Enable fp8 multiply-add instructions (FEAT_FP8FMA)", [FeatureFP8]>;
 
-def FeatureSSVE_FP8DOT2 : SubtargetFeature<"ssve-fp8dot2", "HasSSVE_FP8DOT2", "true",
-  "Enable SVE2 fp8 2-way dot product instructions (FEAT_SSVE_FP8DOT2)", [FeatureSME2]>;
+def FeatureSSVE_FP8FMA : SubtargetFeature<"ssve-fp8fma", "HasSSVE_FP8FMA", "true",
+  "Enable SVE2 fp8 multiply-add instructions (FEAT_SSVE_FP8FMA)", [FeatureSME2, FeatureFP8]>;
 
 def FeatureFP8DOT4: SubtargetFeature<"fp8dot4", "HasFP8DOT4", "true",
-   "Enable fp8 4-way dot instructions (FEAT_FP8DOT4)">;
+   "Enable fp8 4-way dot instructions (FEAT_FP8DOT4)", [FeatureFP8FMA]>;
+  
+def FeatureFP8DOT2: SubtargetFeature<"fp8dot2", "HasFP8DOT2", "true",
+   "Enable fp8 2-way dot instructions (FEAT_FP8DOT2)", [FeatureFP8DOT4]>;
 
 def FeatureSSVE_FP8DOT4 : SubtargetFeature<"ssve-fp8dot4", "HasSSVE_FP8DOT4", "true",
-  "Enable SVE2 fp8 4-way dot product instructions (FEAT_SSVE_FP8DOT4)", [FeatureSME2]>;
-def FeatureLUT: SubtargetFeature<"lut", "HasLUT", "true",
-   "Enable Lookup Table instructions (FEAT_LUT)">;
+  "Enable SVE2 fp8 4-way dot product instructions (FEAT_SSVE_FP8DOT4)", [FeatureSSVE_FP8FMA]>;
+
+def FeatureSSVE_FP8DOT2 : SubtargetFeature<"ssve-fp8dot2", "HasSSVE_FP8DOT2", "true",
+  "Enable SVE2 fp8 2-way dot product instructions (FEAT_SSVE_FP8DOT2)", [FeatureSSVE_FP8DOT4]>;
 
 def FeatureSME_LUTv2 : SubtargetFeature<"sme-lutv2", "HasSME_LUTv2", "true",
   "Enable Scalable Matrix Extension (SME) LUTv2 instructions (FEAT_SME_LUTv2)">;
 
-def FeatureSMEF8F16 : SubtargetFeature<"sme-f8f16", "HasSMEF8F16", "true",
-  "Enable Scalable Matrix Extension (SME) F8F16 instructions(FEAT_SME_F8F16)", [FeatureSME2, FeatureFP8]>;
-
 def FeatureSMEF8F32 : SubtargetFeature<"sme-f8f32", "HasSMEF8F32", "true",
   "Enable Scalable Matrix Extension (SME) F8F32 instructions (FEAT_SME_F8F32)", [FeatureSME2, FeatureFP8]>;
+  
+def FeatureSMEF8F16 : SubtargetFeature<"sme-f8f16", "HasSMEF8F16", "true",
+  "Enable Scalable Matrix Extension (SME) F8F16 instructions(FEAT_SME_F8F16)", [FeatureSMEF8F32]>;
 
 def FeatureAppleA7SysReg  : SubtargetFeature<"apple-a7-sysreg", "HasAppleA7SysReg", "true",
   "Apple A7 (the CPU formerly known as Cyclone)">;
diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.td b/llvm/lib/Target/AArch64/AArch64InstrInfo.td
index a7abb58064a535..b6b40ff5873b0d 100644
--- a/llvm/lib/Target/AArch64/AArch64InstrInfo.td
+++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.td
@@ -171,8 +171,6 @@ def HasSME2          : Predicate<"Subtarget->hasSME2()">,
                                  AssemblerPredicateWithAll<(all_of FeatureSME2), "sme2">;
 def HasSME2p1        : Predicate<"Subtarget->hasSME2p1()">,
                                  AssemblerPredicateWithAll<(all_of FeatureSME2p1), "sme2p1">;
-def HasFPMR          : Predicate<"Subtarget->hasFPMR()">,
-                                 AssemblerPredicateWithAll<(all_of FeatureFPMR), "fpmr">;
 def HasFP8           : Predicate<"Subtarget->hasFP8()">,
                                  AssemblerPredicateWithAll<(all_of FeatureFP8), "fp8">;
 def HasFAMINMAX      : Predicate<"Subtarget->hasFAMINMAX()">,
diff --git a/llvm/lib/Target/AArch64/AArch64SystemOperands.td b/llvm/lib/Target/AArch64/AArch64SystemOperands.td
index 0564741c497000..65800ab093422a 100644
--- a/llvm/lib/Target/AArch64/AArch64SystemOperands.td
+++ b/llvm/lib/Target/AArch64/AArch64SystemOperands.td
@@ -1942,12 +1942,10 @@ def : RWSysReg<"PM",                0b11, 0b000, 0b0100, 0b0011, 0b001>;
 
 // 2023 ISA Extension
 // AArch64 Floating-point Mode Register controls behaviors of the FP8
-// instructions (FEAT_FPMR)
-let Requires = [{ {AArch64::FeatureFPMR} }] in {
+// instructions
 //                                 Op0   Op1    CRn     CRm     Op2
 def : ROSysReg<"ID_AA64FPFR0_EL1", 0b11, 0b000, 0b0000, 0b0100, 0b111>;
 def : RWSysReg<"FPMR",             0b11, 0b011, 0b0100, 0b0100, 0b010>;
-}
 
 // v9.5a Software Stepping Enhancements (FEAT_STEP2)
 //                                  Op0   Op1    CRn     CRm     Op2
diff --git a/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp b/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
index a3b966aa61550c..db5e59c8187579 100644
--- a/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
+++ b/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
@@ -3718,7 +3718,6 @@ static const struct Extension {
     {"sb", {AArch64::FeatureSB}},
     {"ssbs", {AArch64::FeatureSSBS}},
     {"tme", {AArch64::FeatureTME}},
-    {"fpmr", {AArch64::FeatureFPMR}},
     {"fp8", {AArch64::FeatureFP8}},
     {"faminmax", {AArch64::FeatureFAMINMAX}},
     {"fp8fma", {AArch64::FeatureFP8FMA}},
@@ -3731,7 +3730,7 @@ static const struct Extension {
     {"sme-lutv2", {AArch64::FeatureSME_LUTv2}},
     {"sme-f8f16", {AArch64::FeatureSMEF8F16}},
     {"sme-f8f32", {AArch64::FeatureSMEF8F32}},
-    {"sme-fa64",  {AArch64::FeatureSMEFA64}},
+    {"sme-fa64", {AArch64::FeatureSMEFA64}},
     {"cpa", {AArch64::FeatureCPA}},
     {"tlbiw", {AArch64::FeatureTLBIW}},
 };
diff --git a/llvm/test/MC/AArch64/FP8/system-regs.s b/llvm/test/MC/AArch64/FP8/system-regs.s
index 4a396d4dff82bd..b93950d6eaf2f7 100644
--- a/llvm/test/MC/AArch64/FP8/system-regs.s
+++ b/llvm/test/MC/AArch64/FP8/system-regs.s
@@ -1,11 +1,9 @@
-// RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+fpmr < %s \
+// RUN: llvm-mc -triple=aarch64 -show-encoding < %s \
 // RUN:        | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
-// RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 \
-// RUN:        | FileCheck %s --check-prefix=CHECK-ERROR
-// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+fpmr < %s \
-// RUN:        | llvm-objdump -d --mattr=+fpmr - | FileCheck %s --check-prefix=CHECK-INST
-// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+fpmr < %s \
-// RUN:        | llvm-objdump --mattr=-fpmr -d - | FileCheck %s --check-prefix=CHECK-UNKNOWN
+// RUN: llvm-mc -triple=aarch64 -filetype=obj < %s \
+// RUN:        | llvm-objdump -d - | FileCheck %s --check-prefix=CHECK-INST
+// RUN: llvm-mc -triple=aarch64 -filetype=obj < %s \
+// RUN:        | llvm-objdump -d - | FileCheck %s --check-prefix=CHECK-UNKNOWN
 
 // --------------------------------------------------------------------------//
 // read
@@ -13,14 +11,12 @@
 mrs x3, FPMR
 // CHECK-INST: mrs x3, FPMR
 // CHECK-ENCODING: [0x43,0x44,0x3b,0xd5]
-// CHECK-ERROR: expected readable system register
-// CHECK-UNKNOWN: d53b4443   mrs   x3, S3_3_C4_C4_2
+// CHECK-UNKNOWN: d53b4443   mrs   x3, FPMR
 
 mrs x3, ID_AA64FPFR0_EL1
 // CHECK-INST: mrs x3, ID_AA64FPFR0_EL1
 // CHECK-ENCODING: [0xe3,0x04,0x38,0xd5]
-// CHECK-ERROR: expected readable system register
-// CHECK-UNKNOWN: d53804e3   mrs   x3, S3_0_C0_C4_7
+// CHECK-UNKNOWN: d53804e3   mrs   x3, ID_AA64FPFR0_EL1
 
 // --------------------------------------------------------------------------//
 // write
@@ -28,5 +24,4 @@ mrs x3, ID_AA64FPFR0_EL1
 msr FPMR, x3
 // CHECK-INST: msr FPMR, x3
 // CHECK-ENCODING: [0x43,0x44,0x1b,0xd5]
-// CHECK-ERROR: expected writable system register or pstate
-// CHECK-UNKNOWN: d51b4443   msr   S3_3_C4_C4_2, x3
+// CHECK-UNKNOWN: d51b4443   msr   FPMR, x3
diff --git a/llvm/unittests/TargetParser/TargetParserTest.cpp b/llvm/unittests/TargetParser/TargetParserTest.cpp
index 2c72a7229b5274..1a5241b0182d70 100644
--- a/llvm/unittests/TargetParser/TargetParserTest.cpp
+++ b/llvm/unittests/TargetParser/TargetParserTest.cpp
@@ -1899,44 +1899,43 @@ TEST(TargetParserTest, testAArch64Extension) {
 
 TEST(TargetParserTest, AArch64ExtensionFeatures) {
   std::vector<uint64_t> Extensions = {
-      AArch64::AEK_CRC,          AArch64::AEK_LSE,
-      AArch64::AEK_RDM,          AArch64::AEK_CRYPTO,
-      AArch64::AEK_SM4,          AArch64::AEK_SHA3,
-      AArch64::AEK_SHA2,         AArch64::AEK_AES,
-      AArch64::AEK_DOTPROD,      AArch64::AEK_FP,
-      AArch64::AEK_SIMD,         AArch64::AEK_FP16,
-      AArch64::AEK_FP16FML,      AArch64::AEK_PROFILE,
-      AArch64::AEK_RAS,          AArch64::AEK_SVE,
-      AArch64::AEK_SVE2,         AArch64::AEK_SVE2AES,
-      AArch64::AEK_SVE2SM4,      AArch64::AEK_SVE2SHA3,
-      AArch64::AEK_SVE2BITPERM,  AArch64::AEK_RCPC,
-      AArch64::AEK_RAND,         AArch64::AEK_MTE,
-      AArch64::AEK_SSBS,         AArch64::AEK_SB,
-      AArch64::AEK_PREDRES,      AArch64::AEK_BF16,
-      AArch64::AEK_I8MM,         AArch64::AEK_F32MM,
-      AArch64::AEK_F64MM,        AArch64::AEK_TME,
-      AArch64::AEK_LS64,         AArch64::AEK_BRBE,
-      AArch64::AEK_PAUTH,        AArch64::AEK_FLAGM,
-      AArch64::AEK_SME,          AArch64::AEK_SMEF64F64,
-      AArch64::AEK_SMEI16I64,    AArch64::AEK_SME2,
-      AArch64::AEK_HBC,          AArch64::AEK_MOPS,
-      AArch64::AEK_PERFMON,      AArch64::AEK_SVE2p1,
-      AArch64::AEK_SME2p1,       AArch64::AEK_B16B16,
-      AArch64::AEK_SMEF16F16,    AArch64::AEK_CSSC,
-      AArch64::AEK_RCPC3,        AArch64::AEK_THE,
-      AArch64::AEK_D128,         AArch64::AEK_LSE128,
-      AArch64::AEK_SPECRES2,     AArch64::AEK_RASv2,
-      AArch64::AEK_ITE,          AArch64::AEK_GCS,
-      AArch64::AEK_FPMR,         AArch64::AEK_FP8,
-      AArch64::AEK_FAMINMAX,     AArch64::AEK_FP8FMA,
-      AArch64::AEK_SSVE_FP8FMA,  AArch64::AEK_FP8DOT2,
-      AArch64::AEK_SSVE_FP8DOT2, AArch64::AEK_FP8DOT4,
-      AArch64::AEK_SSVE_FP8DOT4, AArch64::AEK_LUT,
-      AArch64::AEK_SME_LUTv2,    AArch64::AEK_SMEF8F16,
-      AArch64::AEK_SMEF8F32,     AArch64::AEK_SMEFA64,
-      AArch64::AEK_CPA,          AArch64::AEK_PAUTHLR,
-      AArch64::AEK_TLBIW,        AArch64::AEK_JSCVT,
-      AArch64::AEK_FCMA,
+      AArch64::AEK_CRC,         AArch64::AEK_LSE,
+      AArch64::AEK_RDM,         AArch64::AEK_CRYPTO,
+      AArch64::AEK_SM4,         AArch64::AEK_SHA3,
+      AArch64::AEK_SHA2,        AArch64::AEK_AES,
+      AArch64::AEK_DOTPROD,     AArch64::AEK_FP,
+      AArch64::AEK_SIMD,        AArch64::AEK_FP16,
+      AArch64::AEK_FP16FML,     AArch64::AEK_PROFILE,
+      AArch64::AEK_RAS,         AArch64::AEK_SVE,
+      AArch64::AEK_SVE2,        AArch64::AEK_SVE2AES,
+      AArch64::AEK_SVE2SM4,     AArch64::AEK_SVE2SHA3,
+      AArch64::AEK_SVE2BITPERM, AArch64::AEK_RCPC,
+      AArch64::AEK_RAND,        AArch64::AEK_MTE,
+      AArch64::AEK_SSBS,        AArch64::AEK_SB,
+      AArch64::AEK_PREDRES,     AArch64::AEK_BF16,
+      AArch64::AEK_I8MM,        AArch64::AEK_F32MM,
+      AArch64::AEK_F64MM,       AArch64::AEK_TME,
+      AArch64::AEK_LS64,        AArch64::AEK_BRBE,
+      AArch64::AEK_PAUTH,       AArch64::AEK_FLAGM,
+      AArch64::AEK_SME,         AArch64::AEK_SMEF64F64,
+      AArch64::AEK_SMEI16I64,   AArch64::AEK_SME2,
+      AArch64::AEK_HBC,         AArch64::AEK_MOPS,
+      AArch64::AEK_PERFMON,     AArch64::AEK_SVE2p1,
+      AArch64::AEK_SME2p1,      AArch64::AEK_B16B16,
+      AArch64::AEK_SMEF16F16,   AArch64::AEK_CSSC,
+      AArch64::AEK_RCPC3,       AArch64::AEK_THE,
+      AArch64::AEK_D128,        AArch64::AEK_LSE128,
+      AArch64::AEK_SPECRES2,    AArch64::AEK_RASv2,
+      AArch64::AEK_ITE,         AArch64::AEK_GCS,
+      AArch64::AEK_FP8,         AArch64::AEK_FAMINMAX,
+      AArch64::AEK_FP8FMA,      AArch64::AEK_SSVE_FP8FMA,
+      AArch64::AEK_FP8DOT2,     AArch64::AEK_SSVE_FP8DOT2,
+      AArch64::AEK_FP8DOT4,     AArch64::AEK_SSVE_FP8DOT4,
+      AArch64::AEK_LUT,         AArch64::AEK_FCMA,
+      AArch64::AEK_SME_LUTv2,   AArch64::AEK_SMEF8F16,
+      AArch64::AEK_SMEF8F32,    AArch64::AEK_SMEFA64,
+      AArch64::AEK_CPA,         AArch64::AEK_PAUTHLR,
+      AArch64::AEK_TLBIW,       AArch64::AEK_JSCVT,
   };
 
   std::vector<StringRef> Features;
@@ -2009,7 +2008,6 @@ TEST(TargetParserTest, AArch64ExtensionFeatures) {
   EXPECT_TRUE(llvm::is_contained(Features, "+specres2"));
   EXPECT_TRUE(llvm::is_contained(Features, "+ite"));
   EXPECT_TRUE(llvm::is_contained(Features, "+gcs"));
-  EXPECT_TRUE(llvm::is_contained(Features, "+fpmr"));
   EXPECT_TRUE(llvm::is_contained(Features, "+fp8"));
   EXPECT_TRUE(llvm::is_contained(Features, "+faminmax"));
   EXPECT_TRUE(llvm::is_contained(Features, "+fp8fma"));
@@ -2155,7 +2153,6 @@ TEST(TargetParserTest, AArch64ArchExtFeature) {
       {"predres2", "nopredres2...
[truncated]

``````````

</details>


https://github.com/llvm/llvm-project/pull/90612


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