[clang] [FMV] Emit the resolver along with the default version definition. (PR #84405)
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cfe-commits at lists.llvm.org
Thu Mar 7 16:02:34 PST 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-clang-codegen
Author: Alexandros Lamprineas (labrinea)
<details>
<summary>Changes</summary>
We would like the resolver to be generated eagerly, even if the versioned function is not called from the current translation unit. Fixes #<!-- -->81494.
---
Patch is 42.97 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/84405.diff
3 Files Affected:
- (modified) clang/lib/CodeGen/CodeGenModule.cpp (+5-2)
- (modified) clang/test/CodeGen/attr-target-version.c (+239-164)
- (modified) clang/test/CodeGenCXX/attr-target-version.cpp (+120-52)
``````````diff
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 967319bdfc4571..ee688a4c17c1d4 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -3969,8 +3969,11 @@ void CodeGenModule::EmitMultiVersionFunctionDefinition(GlobalDecl GD,
EmitGlobalFunctionDefinition(GD.getWithMultiVersionIndex(I), nullptr);
// Ensure that the resolver function is also emitted.
GetOrCreateMultiVersionResolver(GD);
- } else if (FD->hasAttr<TargetVersionAttr>()) {
- GetOrCreateMultiVersionResolver(GD);
+ } else if (auto *TVA = FD->getAttr<TargetVersionAttr>()) {
+ EmitGlobalFunctionDefinition(GD, GV);
+ // Emit the resolver alongside with the default version definition.
+ if (TVA->isDefaultVersion() && FD->doesThisDeclarationHaveABody())
+ GetOrCreateMultiVersionResolver(GD);
} else
EmitGlobalFunctionDefinition(GD, GV);
}
diff --git a/clang/test/CodeGen/attr-target-version.c b/clang/test/CodeGen/attr-target-version.c
index b7112c783da913..cb425b12702db3 100644
--- a/clang/test/CodeGen/attr-target-version.c
+++ b/clang/test/CodeGen/attr-target-version.c
@@ -85,7 +85,21 @@ int hoo(void) {
}
+// This should generate one target version but no resolver.
+__attribute__((target_version("default"))) int unused_with_forward_default_decl(void);
+__attribute__((target_version("mops"))) int unused_with_forward_default_decl(void) { return 0; }
+// FIXME: If the default declaration follows the non-default definition,
+// then target versioning does not trigger.
+__attribute__((target_version("aes"))) int unused_with_default_decl(void) { return 0; }
+__attribute__((target_version("default"))) int unused_with_default_decl(void);
+
+// This should generate two target versions and the resolver.
+__attribute__((target_version("sve"))) int unused_with_default_def(void) { return 0; }
+__attribute__((target_version("default"))) int unused_with_default_def(void) { return 1; }
+
+// This should generate a normal function.
+__attribute__((target_version("rdm"))) int unused_without_default(void) { return 0; }
//.
@@ -97,6 +111,7 @@ int hoo(void) {
// CHECK: @fmv_c.ifunc = weak_odr alias void (), ptr @fmv_c
// CHECK: @fmv_inline.ifunc = weak_odr alias i32 (), ptr @fmv_inline
// CHECK: @fmv_d.ifunc = internal alias i32 (), ptr @fmv_d
+// CHECK: @unused_with_default_def.ifunc = weak_odr alias i32 (), ptr @unused_with_default_def
// CHECK: @fmv = weak_odr ifunc i32 (), ptr @fmv.resolver
// CHECK: @fmv_one = weak_odr ifunc i32 (), ptr @fmv_one.resolver
// CHECK: @fmv_two = weak_odr ifunc i32 (), ptr @fmv_two.resolver
@@ -104,6 +119,7 @@ int hoo(void) {
// CHECK: @fmv_c = weak_odr ifunc void (), ptr @fmv_c.resolver
// CHECK: @fmv_inline = weak_odr ifunc i32 (), ptr @fmv_inline.resolver
// CHECK: @fmv_d = internal ifunc i32 (), ptr @fmv_d.resolver
+// CHECK: @unused_with_default_def = weak_odr ifunc i32 (), ptr @unused_with_default_def.resolver
//.
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv._MflagmMfp16fmlMrng
@@ -113,29 +129,66 @@ int hoo(void) {
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_one._Mls64Msimd
+// CHECK-LABEL: define {{[^@]+}}@fmv._Mflagm2Msme-i16i64
// CHECK-SAME: () #[[ATTR1:[0-9]+]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 1
+// CHECK-NEXT: ret i32 2
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_two._Mfp
-// CHECK-SAME: () #[[ATTR1]] {
+// CHECK-LABEL: define {{[^@]+}}@fmv._MlseMsha2
+// CHECK-SAME: () #[[ATTR2:[0-9]+]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 1
+// CHECK-NEXT: ret i32 3
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@foo
-// CHECK-SAME: () #[[ATTR2:[0-9]+]] {
+// CHECK-LABEL: define {{[^@]+}}@fmv._MdotprodMls64_accdata
+// CHECK-SAME: () #[[ATTR3:[0-9]+]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: [[CALL:%.*]] = call i32 @fmv()
-// CHECK-NEXT: [[CALL1:%.*]] = call i32 @fmv_one()
-// CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[CALL]], [[CALL1]]
-// CHECK-NEXT: [[CALL2:%.*]] = call i32 @fmv_two()
-// CHECK-NEXT: [[ADD3:%.*]] = add nsw i32 [[ADD]], [[CALL2]]
-// CHECK-NEXT: ret i32 [[ADD3]]
+// CHECK-NEXT: ret i32 4
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv._Mfp16fmlMmemtag
+// CHECK-SAME: () #[[ATTR4:[0-9]+]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 5
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv._MaesMfp
+// CHECK-SAME: () #[[ATTR5:[0-9]+]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 6
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv._McrcMls64_v
+// CHECK-SAME: () #[[ATTR6:[0-9]+]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 7
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv._Mbti
+// CHECK-SAME: () #[[ATTR7:[0-9]+]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 8
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv._Msme2
+// CHECK-SAME: () #[[ATTR8:[0-9]+]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 9
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv.default
+// CHECK-SAME: () #[[ATTR9:[0-9]+]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 0
//
//
// CHECK-LABEL: define {{[^@]+}}@fmv.resolver() comdat {
@@ -216,16 +269,91 @@ int hoo(void) {
// CHECK-NEXT: ret ptr @fmv.default
//
//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_one._Mls64Msimd
+// CHECK-SAME: () #[[ATTR5]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 1
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_one._Mdpb
+// CHECK-SAME: () #[[ATTR10:[0-9]+]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 2
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_one.default
+// CHECK-SAME: () #[[ATTR9]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 0
+//
+//
// CHECK-LABEL: define {{[^@]+}}@fmv_one.resolver() comdat {
// CHECK-NEXT: resolver_entry:
// CHECK-NEXT: ret ptr @fmv_one._Mls64Msimd
//
//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_two._Mfp
+// CHECK-SAME: () #[[ATTR5]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 1
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_two._Msimd
+// CHECK-SAME: () #[[ATTR5]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 2
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_two._Mdgh
+// CHECK-SAME: () #[[ATTR9]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 3
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_two._Mfp16Msimd
+// CHECK-SAME: () #[[ATTR5]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 4
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_two.default
+// CHECK-SAME: () #[[ATTR9]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 0
+//
+//
// CHECK-LABEL: define {{[^@]+}}@fmv_two.resolver() comdat {
// CHECK-NEXT: resolver_entry:
// CHECK-NEXT: ret ptr @fmv_two._Mfp16Msimd
//
//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@foo
+// CHECK-SAME: () #[[ATTR9]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[CALL:%.*]] = call i32 @fmv()
+// CHECK-NEXT: [[CALL1:%.*]] = call i32 @fmv_one()
+// CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[CALL]], [[CALL1]]
+// CHECK-NEXT: [[CALL2:%.*]] = call i32 @fmv_two()
+// CHECK-NEXT: [[ADD3:%.*]] = add nsw i32 [[ADD]], [[CALL2]]
+// CHECK-NEXT: ret i32 [[ADD3]]
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_e.default
+// CHECK-SAME: () #[[ATTR9]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 20
+//
+//
// CHECK-LABEL: define {{[^@]+}}@fmv_e.resolver() comdat {
// CHECK-NEXT: resolver_entry:
// CHECK-NEXT: ret ptr @fmv_e._Mls64
@@ -233,11 +361,25 @@ int hoo(void) {
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_default
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 111
//
//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_c._Mssbs
+// CHECK-SAME: () #[[ATTR9]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret void
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_c.default
+// CHECK-SAME: () #[[ATTR9]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret void
+//
+//
// CHECK-LABEL: define {{[^@]+}}@fmv_c.resolver() comdat {
// CHECK-NEXT: resolver_entry:
// CHECK-NEXT: call void @__init_cpu_features_resolver()
@@ -254,7 +396,7 @@ int hoo(void) {
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@goo
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[CALL:%.*]] = call i32 @fmv_inline()
// CHECK-NEXT: [[CALL1:%.*]] = call i32 @fmv_e()
@@ -414,7 +556,7 @@ int hoo(void) {
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@recur
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: call void @reca()
// CHECK-NEXT: ret void
@@ -422,7 +564,7 @@ int hoo(void) {
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@main
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[RETVAL:%.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 0, ptr [[RETVAL]], align 4
@@ -433,7 +575,7 @@ int hoo(void) {
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@hoo
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[FP1:%.*]] = alloca ptr, align 8
// CHECK-NEXT: [[FP2:%.*]] = alloca ptr, align 8
@@ -449,260 +591,183 @@ int hoo(void) {
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv._Mflagm2Msme-i16i64
-// CHECK-SAME: () #[[ATTR4:[0-9]+]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 2
-//
-//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv._MlseMsha2
-// CHECK-SAME: () #[[ATTR5:[0-9]+]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 3
-//
-//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv._MdotprodMls64_accdata
-// CHECK-SAME: () #[[ATTR6:[0-9]+]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 4
-//
-//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv._Mfp16fmlMmemtag
-// CHECK-SAME: () #[[ATTR7:[0-9]+]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 5
-//
-//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv._MaesMfp
-// CHECK-SAME: () #[[ATTR1]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 6
-//
-//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv._McrcMls64_v
-// CHECK-SAME: () #[[ATTR8:[0-9]+]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 7
-//
-//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv._Mbti
-// CHECK-SAME: () #[[ATTR9:[0-9]+]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 8
-//
-//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv._Msme2
-// CHECK-SAME: () #[[ATTR10:[0-9]+]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 9
-//
-//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv.default
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-LABEL: define {{[^@]+}}@unused_with_forward_default_decl._Mmops
+// CHECK-SAME: () #[[ATTR12:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 0
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_one._Mdpb
-// CHECK-SAME: () #[[ATTR11:[0-9]+]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 2
-//
-//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_one.default
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-LABEL: define {{[^@]+}}@unused_with_default_decl
+// CHECK-SAME: () #[[ATTR5]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 0
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_two._Msimd
-// CHECK-SAME: () #[[ATTR1]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 2
-//
-//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_two._Mdgh
-// CHECK-SAME: () #[[ATTR2]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 3
-//
-//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_two._Mfp16Msimd
-// CHECK-SAME: () #[[ATTR1]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 4
-//
-//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_two.default
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-LABEL: define {{[^@]+}}@unused_with_default_def._Msve
+// CHECK-SAME: () #[[ATTR13:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 0
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_e.default
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-LABEL: define {{[^@]+}}@unused_with_default_def.default
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 20
+// CHECK-NEXT: ret i32 1
//
//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_c.default
-// CHECK-SAME: () #[[ATTR2]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret void
+// CHECK-LABEL: define {{[^@]+}}@unused_with_default_def.resolver() comdat {
+// CHECK-NEXT: resolver_entry:
+// CHECK-NEXT: call void @__init_cpu_features_resolver()
+// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
+// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 1073741824
+// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 1073741824
+// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]
+// CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
+// CHECK: resolver_return:
+// CHECK-NEXT: ret ptr @unused_with_default_def._Msve
+// CHECK: resolver_else:
+// CHECK-NEXT: ret ptr @unused_with_default_def.default
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_c._Mssbs
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-LABEL: define {{[^@]+}}@unused_without_default
+// CHECK-SAME: () #[[ATTR14:[0-9]+]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret void
+// CHECK-NEXT: ret i32 0
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._Mf64mmMpmullMsha1
-// CHECK-SAME: () #[[ATTR12:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR15:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 1
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._MfcmaMfp16MrdmMsme
-// CHECK-SAME: () #[[ATTR13:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR16:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 2
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._Mf32mmMi8mmMsha3
-// CHECK-SAME: () #[[ATTR14:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR17:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 12
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._MditMsve-ebf16
-// CHECK-SAME: () #[[ATTR15:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR18:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 8
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._MdpbMrcpc2
-// CHECK-SAME: () #[[ATTR16:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR19:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 6
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._Mdpb2Mjscvt
-// CHECK-SAME: () #[[ATTR17:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR20:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 7
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._MfrinttsMrcpc
-// CHECK-SAME: () #[[ATTR18:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR21:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 3
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._MsveMsve-bf16
-// CHECK-SAME: () #[[ATTR19:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR22:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 4
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._Msve2-aesMsve2-sha3
-// CHECK-SAME: () #[[ATTR20:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR23:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 5
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._Msve2Msve2-bitpermMsve2-pmull128
-// CHECK-SAME: () #[[ATTR21:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR24:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 9
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._Mmemtag2Msve2-sm4
-// CHECK-SAME: () #[[ATTR22:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR25:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 10
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._Mmemtag3MmopsMrcpc3
-// CHECK-SAME: () #[[ATTR23:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR26:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 11
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._MaesMdotprod
-// CHECK-SAME: () #[[ATTR6]] {
+// CHECK-SAME: () #[[ATTR3]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 13
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._Mfp16fmlMsimd
-// CHECK-SAME: () #[[ATTR7]] {
+// CHECK-SAME: () #[[ATTR4]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 14
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._MfpMsm4
-// CHECK-SAME: () #[[ATTR24:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR27:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 15
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._MlseMrdm
-// CHECK-SAME: () #[[ATTR25:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR28:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 16
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline.default
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 3
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_d._Msb
-// CHECK-SAME: () #[[ATTR26:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR29:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 0
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_d.default
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 1
//
@@ -815,34 +880,44 @@ int hoo(void) {
// CHECK-NOFMV-NEXT: [[ADD:%.*]] = add nsw i32 [[CALL]], [[CALL1]]
// CHECK-NOFMV-NEXT: ret i32 [[ADD]]
//
+//
+// CHECK-NOFMV: Function Attrs: noinline nounwind optnone
+// CHECK-NOFMV-LABEL: define {{[^@]+}}@unused_with_default_def
+// CHECK-NOFMV-SAME: () #[[ATTR0]] {
...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/84405
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