forked from OSchip/llvm-project
498 lines
21 KiB
LLVM
498 lines
21 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes --check-attributes
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; RUN: opt -attributor -enable-new-pm=0 -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM
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; RUN: opt -attributor-cgscc -enable-new-pm=0 -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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; Test cases designed for the nosync function attribute.
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; FIXME's are used to indicate problems and missing attributes.
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; struct RT {
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; char A;
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; int B[10][20];
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; char C;
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; };
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; struct ST {
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; int X;
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; double Y;
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; struct RT Z;
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; };
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;
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; int *foo(struct ST *s) {
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; return &s[1].Z.B[5][13];
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; }
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; TEST 1
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; non-convergent and readnone implies nosync
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%struct.RT = type { i8, [10 x [20 x i32]], i8 }
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%struct.ST = type { i32, double, %struct.RT }
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define i32* @foo(%struct.ST* %s) nounwind uwtable readnone optsize ssp {
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; IS__TUNIT____: Function Attrs: nofree nosync nounwind optsize readnone ssp uwtable willreturn
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; IS__TUNIT____-LABEL: define {{[^@]+}}@foo
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; IS__TUNIT____-SAME: (%struct.ST* nofree readnone "no-capture-maybe-returned" [[S:%.*]])
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; IS__TUNIT____-NEXT: entry:
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; IS__TUNIT____-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [[STRUCT_ST:%.*]], %struct.ST* [[S]], i64 1, i32 2, i32 1, i64 5, i64 13
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; IS__TUNIT____-NEXT: ret i32* [[ARRAYIDX]]
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;
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; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind optsize readnone ssp uwtable willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@foo
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; IS__CGSCC____-SAME: (%struct.ST* nofree readnone "no-capture-maybe-returned" [[S:%.*]])
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; IS__CGSCC____-NEXT: entry:
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; IS__CGSCC____-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [[STRUCT_ST:%.*]], %struct.ST* [[S]], i64 1, i32 2, i32 1, i64 5, i64 13
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; IS__CGSCC____-NEXT: ret i32* [[ARRAYIDX]]
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;
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entry:
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%arrayidx = getelementptr inbounds %struct.ST, %struct.ST* %s, i64 1, i32 2, i32 1, i64 5, i64 13
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ret i32* %arrayidx
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}
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; TEST 2
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; atomic load with monotonic ordering
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; int load_monotonic(_Atomic int *num) {
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; int n = atomic_load_explicit(num, memory_order_relaxed);
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; return n;
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; }
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define i32 @load_monotonic(i32* nocapture readonly %0) norecurse nounwind uwtable {
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; CHECK: Function Attrs: argmemonly nofree norecurse nosync nounwind uwtable willreturn
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; CHECK-LABEL: define {{[^@]+}}@load_monotonic
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; CHECK-SAME: (i32* nocapture nofree nonnull readonly align 4 dereferenceable(4) [[TMP0:%.*]])
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; CHECK-NEXT: [[TMP2:%.*]] = load atomic i32, i32* [[TMP0]] monotonic, align 4
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; CHECK-NEXT: ret i32 [[TMP2]]
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;
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%2 = load atomic i32, i32* %0 monotonic, align 4
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ret i32 %2
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}
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; TEST 3
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; atomic store with monotonic ordering.
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; void store_monotonic(_Atomic int *num) {
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; atomic_load_explicit(num, memory_order_relaxed);
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; }
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define void @store_monotonic(i32* nocapture %0) norecurse nounwind uwtable {
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; CHECK: Function Attrs: argmemonly nofree norecurse nosync nounwind uwtable willreturn
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; CHECK-LABEL: define {{[^@]+}}@store_monotonic
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; CHECK-SAME: (i32* nocapture nofree nonnull writeonly align 4 dereferenceable(4) [[TMP0:%.*]])
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; CHECK-NEXT: store atomic i32 10, i32* [[TMP0]] monotonic, align 4
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; CHECK-NEXT: ret void
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;
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store atomic i32 10, i32* %0 monotonic, align 4
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ret void
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}
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; TEST 4 - negative, should not deduce nosync
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; atomic load with acquire ordering.
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; int load_acquire(_Atomic int *num) {
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; int n = atomic_load_explicit(num, memory_order_acquire);
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; return n;
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; }
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define i32 @load_acquire(i32* nocapture readonly %0) norecurse nounwind uwtable {
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; CHECK: Function Attrs: argmemonly nofree norecurse nounwind uwtable willreturn
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; CHECK-LABEL: define {{[^@]+}}@load_acquire
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; CHECK-SAME: (i32* nocapture nofree nonnull readonly align 4 dereferenceable(4) [[TMP0:%.*]])
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; CHECK-NEXT: [[TMP2:%.*]] = load atomic i32, i32* [[TMP0]] acquire, align 4
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; CHECK-NEXT: ret i32 [[TMP2]]
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;
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%2 = load atomic i32, i32* %0 acquire, align 4
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ret i32 %2
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}
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; TEST 5 - negative, should not deduce nosync
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; atomic load with release ordering
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; void load_release(_Atomic int *num) {
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; atomic_store_explicit(num, 10, memory_order_release);
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; }
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define void @load_release(i32* nocapture %0) norecurse nounwind uwtable {
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; CHECK: Function Attrs: argmemonly nofree norecurse nounwind uwtable willreturn
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; CHECK-LABEL: define {{[^@]+}}@load_release
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; CHECK-SAME: (i32* nocapture nofree writeonly align 4 [[TMP0:%.*]])
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; CHECK-NEXT: store atomic volatile i32 10, i32* [[TMP0]] release, align 4
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; CHECK-NEXT: ret void
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;
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store atomic volatile i32 10, i32* %0 release, align 4
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ret void
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}
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; TEST 6 - negative volatile, relaxed atomic
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define void @load_volatile_release(i32* nocapture %0) norecurse nounwind uwtable {
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; CHECK: Function Attrs: argmemonly nofree norecurse nounwind uwtable willreturn
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; CHECK-LABEL: define {{[^@]+}}@load_volatile_release
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; CHECK-SAME: (i32* nocapture nofree writeonly align 4 [[TMP0:%.*]])
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; CHECK-NEXT: store atomic volatile i32 10, i32* [[TMP0]] release, align 4
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; CHECK-NEXT: ret void
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;
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store atomic volatile i32 10, i32* %0 release, align 4
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ret void
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}
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; TEST 7 - negative, should not deduce nosync
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; volatile store.
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; void volatile_store(volatile int *num) {
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; *num = 14;
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; }
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define void @volatile_store(i32* %0) norecurse nounwind uwtable {
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; CHECK: Function Attrs: argmemonly nofree norecurse nounwind uwtable willreturn
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; CHECK-LABEL: define {{[^@]+}}@volatile_store
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; CHECK-SAME: (i32* nofree align 4 [[TMP0:%.*]])
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; CHECK-NEXT: store volatile i32 14, i32* [[TMP0]], align 4
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; CHECK-NEXT: ret void
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;
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store volatile i32 14, i32* %0, align 4
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ret void
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}
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; TEST 8 - negative, should not deduce nosync
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; volatile load.
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; int volatile_load(volatile int *num) {
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; int n = *num;
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; return n;
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; }
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define i32 @volatile_load(i32* %0) norecurse nounwind uwtable {
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; CHECK: Function Attrs: argmemonly nofree norecurse nounwind uwtable willreturn
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; CHECK-LABEL: define {{[^@]+}}@volatile_load
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; CHECK-SAME: (i32* nofree align 4 [[TMP0:%.*]])
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; CHECK-NEXT: [[TMP2:%.*]] = load volatile i32, i32* [[TMP0]], align 4
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; CHECK-NEXT: ret i32 [[TMP2]]
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;
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%2 = load volatile i32, i32* %0, align 4
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ret i32 %2
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}
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; TEST 9
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; CHECK: Function Attrs: noinline nosync nounwind uwtable
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; CHECK-NEXT: declare void @nosync_function()
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declare void @nosync_function() noinline nounwind uwtable nosync
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define void @call_nosync_function() nounwind uwtable noinline {
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; CHECK: Function Attrs: noinline nosync nounwind uwtable
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; CHECK-LABEL: define {{[^@]+}}@call_nosync_function()
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; CHECK-NEXT: tail call void @nosync_function()
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; CHECK-NEXT: ret void
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;
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tail call void @nosync_function() noinline nounwind uwtable
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ret void
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}
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; TEST 10 - negative, should not deduce nosync
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; CHECK: Function Attrs: noinline nounwind uwtable
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; CHECK-NEXT: declare void @might_sync()
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declare void @might_sync() noinline nounwind uwtable
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define void @call_might_sync() nounwind uwtable noinline {
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; CHECK: Function Attrs: noinline nounwind uwtable
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; CHECK-LABEL: define {{[^@]+}}@call_might_sync()
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; CHECK-NEXT: tail call void @might_sync()
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; CHECK-NEXT: ret void
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;
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tail call void @might_sync() noinline nounwind uwtable
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ret void
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}
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; TEST 11 - positive, should deduce nosync
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; volatile operation in same scc but dead. Call volatile_load defined in TEST 8.
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define i32 @scc1(i32* %0) noinline nounwind uwtable {
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; NOT_CGSCC_NPM: Function Attrs: nofree noinline noreturn nosync nounwind readnone uwtable willreturn
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; NOT_CGSCC_NPM-LABEL: define {{[^@]+}}@scc1
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; NOT_CGSCC_NPM-SAME: (i32* nocapture nofree readnone [[TMP0:%.*]])
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; NOT_CGSCC_NPM-NEXT: unreachable
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;
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; IS__CGSCC_NPM: Function Attrs: nofree noinline norecurse noreturn nosync nounwind readnone uwtable willreturn
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; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@scc1
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; IS__CGSCC_NPM-SAME: (i32* nocapture nofree readnone [[TMP0:%.*]])
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; IS__CGSCC_NPM-NEXT: unreachable
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;
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tail call void @scc2(i32* %0);
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%val = tail call i32 @volatile_load(i32* %0);
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ret i32 %val;
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}
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define void @scc2(i32* %0) noinline nounwind uwtable {
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; NOT_CGSCC_NPM: Function Attrs: nofree noinline noreturn nosync nounwind readnone uwtable willreturn
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; NOT_CGSCC_NPM-LABEL: define {{[^@]+}}@scc2
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; NOT_CGSCC_NPM-SAME: (i32* nocapture nofree readnone [[TMP0:%.*]])
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; NOT_CGSCC_NPM-NEXT: unreachable
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;
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; IS__CGSCC_NPM: Function Attrs: nofree noinline norecurse noreturn nosync nounwind readnone uwtable willreturn
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; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@scc2
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; IS__CGSCC_NPM-SAME: (i32* nocapture nofree readnone [[TMP0:%.*]])
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; IS__CGSCC_NPM-NEXT: unreachable
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;
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tail call i32 @scc1(i32* %0);
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ret void;
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}
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; TEST 12 - fences, negative
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;
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; void foo1(int *a, std::atomic<bool> flag){
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; *a = 100;
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; atomic_thread_fence(std::memory_order_release);
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; flag.store(true, std::memory_order_relaxed);
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; }
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;
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; void bar(int *a, std::atomic<bool> flag){
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; while(!flag.load(std::memory_order_relaxed))
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; ;
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;
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; atomic_thread_fence(std::memory_order_acquire);
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; int b = *a;
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; }
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%"struct.std::atomic" = type { %"struct.std::__atomic_base" }
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%"struct.std::__atomic_base" = type { i8 }
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define void @foo1(i32* %0, %"struct.std::atomic"* %1) {
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; IS__TUNIT____: Function Attrs: nofree nounwind willreturn
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; IS__TUNIT____-LABEL: define {{[^@]+}}@foo1
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; IS__TUNIT____-SAME: (i32* nocapture nofree nonnull writeonly align 4 dereferenceable(4) [[TMP0:%.*]], %"struct.std::atomic"* nocapture nofree nonnull writeonly dereferenceable(1) [[TMP1:%.*]])
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; IS__TUNIT____-NEXT: store i32 100, i32* [[TMP0]], align 4
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; IS__TUNIT____-NEXT: fence release
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; IS__TUNIT____-NEXT: [[TMP3:%.*]] = getelementptr inbounds %"struct.std::atomic", %"struct.std::atomic"* [[TMP1]], i64 0, i32 0, i32 0
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; IS__TUNIT____-NEXT: store atomic i8 1, i8* [[TMP3]] monotonic, align 1
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; IS__TUNIT____-NEXT: ret void
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;
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; IS__CGSCC____: Function Attrs: nofree norecurse nounwind willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@foo1
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; IS__CGSCC____-SAME: (i32* nocapture nofree nonnull writeonly align 4 dereferenceable(4) [[TMP0:%.*]], %"struct.std::atomic"* nocapture nofree nonnull writeonly dereferenceable(1) [[TMP1:%.*]])
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; IS__CGSCC____-NEXT: store i32 100, i32* [[TMP0]], align 4
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; IS__CGSCC____-NEXT: fence release
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; IS__CGSCC____-NEXT: [[TMP3:%.*]] = getelementptr inbounds %"struct.std::atomic", %"struct.std::atomic"* [[TMP1]], i64 0, i32 0, i32 0
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; IS__CGSCC____-NEXT: store atomic i8 1, i8* [[TMP3]] monotonic, align 1
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; IS__CGSCC____-NEXT: ret void
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;
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store i32 100, i32* %0, align 4
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fence release
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%3 = getelementptr inbounds %"struct.std::atomic", %"struct.std::atomic"* %1, i64 0, i32 0, i32 0
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store atomic i8 1, i8* %3 monotonic, align 1
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ret void
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}
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define void @bar(i32* %0, %"struct.std::atomic"* %1) {
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; IS__TUNIT____: Function Attrs: nofree nounwind
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; IS__TUNIT____-LABEL: define {{[^@]+}}@bar
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; IS__TUNIT____-SAME: (i32* nocapture nofree readnone [[TMP0:%.*]], %"struct.std::atomic"* nocapture nofree nonnull readonly dereferenceable(1) [[TMP1:%.*]])
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; IS__TUNIT____-NEXT: [[TMP3:%.*]] = getelementptr inbounds %"struct.std::atomic", %"struct.std::atomic"* [[TMP1]], i64 0, i32 0, i32 0
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; IS__TUNIT____-NEXT: br label [[TMP4:%.*]]
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; IS__TUNIT____: 4:
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; IS__TUNIT____-NEXT: [[TMP5:%.*]] = load atomic i8, i8* [[TMP3]] monotonic, align 1
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; IS__TUNIT____-NEXT: [[TMP6:%.*]] = and i8 [[TMP5]], 1
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; IS__TUNIT____-NEXT: [[TMP7:%.*]] = icmp eq i8 [[TMP6]], 0
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; IS__TUNIT____-NEXT: br i1 [[TMP7]], label [[TMP4]], label [[TMP8:%.*]]
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; IS__TUNIT____: 8:
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; IS__TUNIT____-NEXT: fence acquire
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; IS__TUNIT____-NEXT: ret void
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;
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; IS__CGSCC____: Function Attrs: nofree norecurse nounwind
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; IS__CGSCC____-LABEL: define {{[^@]+}}@bar
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; IS__CGSCC____-SAME: (i32* nocapture nofree readnone [[TMP0:%.*]], %"struct.std::atomic"* nocapture nofree nonnull readonly dereferenceable(1) [[TMP1:%.*]])
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; IS__CGSCC____-NEXT: [[TMP3:%.*]] = getelementptr inbounds %"struct.std::atomic", %"struct.std::atomic"* [[TMP1]], i64 0, i32 0, i32 0
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; IS__CGSCC____-NEXT: br label [[TMP4:%.*]]
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; IS__CGSCC____: 4:
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; IS__CGSCC____-NEXT: [[TMP5:%.*]] = load atomic i8, i8* [[TMP3]] monotonic, align 1
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; IS__CGSCC____-NEXT: [[TMP6:%.*]] = and i8 [[TMP5]], 1
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; IS__CGSCC____-NEXT: [[TMP7:%.*]] = icmp eq i8 [[TMP6]], 0
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; IS__CGSCC____-NEXT: br i1 [[TMP7]], label [[TMP4]], label [[TMP8:%.*]]
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; IS__CGSCC____: 8:
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; IS__CGSCC____-NEXT: fence acquire
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; IS__CGSCC____-NEXT: ret void
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;
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%3 = getelementptr inbounds %"struct.std::atomic", %"struct.std::atomic"* %1, i64 0, i32 0, i32 0
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br label %4
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4: ; preds = %4, %2
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%5 = load atomic i8, i8* %3 monotonic, align 1
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%6 = and i8 %5, 1
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%7 = icmp eq i8 %6, 0
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br i1 %7, label %4, label %8
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8: ; preds = %4
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fence acquire
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ret void
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}
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; TEST 13 - Fence syncscope("singlethread") seq_cst
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define void @foo1_singlethread(i32* %0, %"struct.std::atomic"* %1) {
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; IS__TUNIT____: Function Attrs: nofree nosync nounwind willreturn
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; IS__TUNIT____-LABEL: define {{[^@]+}}@foo1_singlethread
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; IS__TUNIT____-SAME: (i32* nocapture nofree nonnull writeonly align 4 dereferenceable(4) [[TMP0:%.*]], %"struct.std::atomic"* nocapture nofree nonnull writeonly dereferenceable(1) [[TMP1:%.*]])
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; IS__TUNIT____-NEXT: store i32 100, i32* [[TMP0]], align 4
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; IS__TUNIT____-NEXT: fence syncscope("singlethread") release
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; IS__TUNIT____-NEXT: [[TMP3:%.*]] = getelementptr inbounds %"struct.std::atomic", %"struct.std::atomic"* [[TMP1]], i64 0, i32 0, i32 0
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; IS__TUNIT____-NEXT: store atomic i8 1, i8* [[TMP3]] monotonic, align 1
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; IS__TUNIT____-NEXT: ret void
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;
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; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@foo1_singlethread
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; IS__CGSCC____-SAME: (i32* nocapture nofree nonnull writeonly align 4 dereferenceable(4) [[TMP0:%.*]], %"struct.std::atomic"* nocapture nofree nonnull writeonly dereferenceable(1) [[TMP1:%.*]])
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; IS__CGSCC____-NEXT: store i32 100, i32* [[TMP0]], align 4
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; IS__CGSCC____-NEXT: fence syncscope("singlethread") release
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; IS__CGSCC____-NEXT: [[TMP3:%.*]] = getelementptr inbounds %"struct.std::atomic", %"struct.std::atomic"* [[TMP1]], i64 0, i32 0, i32 0
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; IS__CGSCC____-NEXT: store atomic i8 1, i8* [[TMP3]] monotonic, align 1
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; IS__CGSCC____-NEXT: ret void
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;
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store i32 100, i32* %0, align 4
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fence syncscope("singlethread") release
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%3 = getelementptr inbounds %"struct.std::atomic", %"struct.std::atomic"* %1, i64 0, i32 0, i32 0
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store atomic i8 1, i8* %3 monotonic, align 1
|
|
ret void
|
|
}
|
|
|
|
define void @bar_singlethread(i32* %0, %"struct.std::atomic"* %1) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@bar_singlethread
|
|
; IS__TUNIT____-SAME: (i32* nocapture nofree readnone [[TMP0:%.*]], %"struct.std::atomic"* nocapture nofree nonnull readonly dereferenceable(1) [[TMP1:%.*]])
|
|
; IS__TUNIT____-NEXT: [[TMP3:%.*]] = getelementptr inbounds %"struct.std::atomic", %"struct.std::atomic"* [[TMP1]], i64 0, i32 0, i32 0
|
|
; IS__TUNIT____-NEXT: br label [[TMP4:%.*]]
|
|
; IS__TUNIT____: 4:
|
|
; IS__TUNIT____-NEXT: [[TMP5:%.*]] = load atomic i8, i8* [[TMP3]] monotonic, align 1
|
|
; IS__TUNIT____-NEXT: [[TMP6:%.*]] = and i8 [[TMP5]], 1
|
|
; IS__TUNIT____-NEXT: [[TMP7:%.*]] = icmp eq i8 [[TMP6]], 0
|
|
; IS__TUNIT____-NEXT: br i1 [[TMP7]], label [[TMP4]], label [[TMP8:%.*]]
|
|
; IS__TUNIT____: 8:
|
|
; IS__TUNIT____-NEXT: fence syncscope("singlethread") acquire
|
|
; IS__TUNIT____-NEXT: ret void
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@bar_singlethread
|
|
; IS__CGSCC____-SAME: (i32* nocapture nofree readnone [[TMP0:%.*]], %"struct.std::atomic"* nocapture nofree nonnull readonly dereferenceable(1) [[TMP1:%.*]])
|
|
; IS__CGSCC____-NEXT: [[TMP3:%.*]] = getelementptr inbounds %"struct.std::atomic", %"struct.std::atomic"* [[TMP1]], i64 0, i32 0, i32 0
|
|
; IS__CGSCC____-NEXT: br label [[TMP4:%.*]]
|
|
; IS__CGSCC____: 4:
|
|
; IS__CGSCC____-NEXT: [[TMP5:%.*]] = load atomic i8, i8* [[TMP3]] monotonic, align 1
|
|
; IS__CGSCC____-NEXT: [[TMP6:%.*]] = and i8 [[TMP5]], 1
|
|
; IS__CGSCC____-NEXT: [[TMP7:%.*]] = icmp eq i8 [[TMP6]], 0
|
|
; IS__CGSCC____-NEXT: br i1 [[TMP7]], label [[TMP4]], label [[TMP8:%.*]]
|
|
; IS__CGSCC____: 8:
|
|
; IS__CGSCC____-NEXT: fence syncscope("singlethread") acquire
|
|
; IS__CGSCC____-NEXT: ret void
|
|
;
|
|
%3 = getelementptr inbounds %"struct.std::atomic", %"struct.std::atomic"* %1, i64 0, i32 0, i32 0
|
|
br label %4
|
|
|
|
4: ; preds = %4, %2
|
|
%5 = load atomic i8, i8* %3 monotonic, align 1
|
|
%6 = and i8 %5, 1
|
|
%7 = icmp eq i8 %6, 0
|
|
br i1 %7, label %4, label %8
|
|
|
|
8: ; preds = %4
|
|
fence syncscope("singlethread") acquire
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.memcpy(i8* %dest, i8* %src, i32 %len, i1 %isvolatile)
|
|
declare void @llvm.memset(i8* %dest, i8 %val, i32 %len, i1 %isvolatile)
|
|
|
|
; TEST 14 - negative, checking volatile intrinsics.
|
|
|
|
; It is odd to add nocapture but a result of the llvm.memcpy nocapture.
|
|
;
|
|
define i32 @memcpy_volatile(i8* %ptr1, i8* %ptr2) {
|
|
; CHECK: Function Attrs: argmemonly nounwind willreturn
|
|
; CHECK-LABEL: define {{[^@]+}}@memcpy_volatile
|
|
; CHECK-SAME: (i8* nocapture writeonly [[PTR1:%.*]], i8* nocapture readonly [[PTR2:%.*]])
|
|
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias nocapture writeonly [[PTR1]], i8* noalias nocapture readonly [[PTR2]], i32 8, i1 true)
|
|
; CHECK-NEXT: ret i32 4
|
|
;
|
|
call void @llvm.memcpy(i8* %ptr1, i8* %ptr2, i32 8, i1 1)
|
|
ret i32 4
|
|
}
|
|
|
|
; TEST 15 - positive, non-volatile intrinsic.
|
|
|
|
; It is odd to add nocapture but a result of the llvm.memset nocapture.
|
|
;
|
|
define i32 @memset_non_volatile(i8* %ptr1, i8 %val) {
|
|
; CHECK: Function Attrs: argmemonly nosync nounwind willreturn writeonly
|
|
; CHECK-LABEL: define {{[^@]+}}@memset_non_volatile
|
|
; CHECK-SAME: (i8* nocapture writeonly [[PTR1:%.*]], i8 [[VAL:%.*]])
|
|
; CHECK-NEXT: call void @llvm.memset.p0i8.i32(i8* nocapture writeonly [[PTR1]], i8 [[VAL]], i32 8, i1 false)
|
|
; CHECK-NEXT: ret i32 4
|
|
;
|
|
call void @llvm.memset(i8* %ptr1, i8 %val, i32 8, i1 0)
|
|
ret i32 4
|
|
}
|
|
|
|
; TEST 16 - negative, inline assembly.
|
|
|
|
define i32 @inline_asm_test(i32 %x) {
|
|
; CHECK-LABEL: define {{[^@]+}}@inline_asm_test
|
|
; CHECK-SAME: (i32 [[X:%.*]])
|
|
; CHECK-NEXT: [[TMP1:%.*]] = call i32 asm "bswap $0", "=r,r"(i32 [[X]])
|
|
; CHECK-NEXT: ret i32 4
|
|
;
|
|
call i32 asm "bswap $0", "=r,r"(i32 %x)
|
|
ret i32 4
|
|
}
|
|
|
|
declare void @readnone_test() convergent readnone
|
|
|
|
; TEST 17 - negative. Convergent
|
|
define void @convergent_readnone(){
|
|
; CHECK: Function Attrs: readnone
|
|
; CHECK-LABEL: define {{[^@]+}}@convergent_readnone()
|
|
; CHECK-NEXT: call void @readnone_test()
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
call void @readnone_test()
|
|
ret void
|
|
}
|
|
|
|
; CHECK: Function Attrs: nounwind
|
|
; CHECK-NEXT: declare void @llvm.x86.sse2.clflush(i8*)
|
|
declare void @llvm.x86.sse2.clflush(i8*)
|
|
@a = common global i32 0, align 4
|
|
|
|
; TEST 18 - negative. Synchronizing intrinsic
|
|
|
|
define void @i_totally_sync() {
|
|
; CHECK: Function Attrs: nounwind
|
|
; CHECK-LABEL: define {{[^@]+}}@i_totally_sync()
|
|
; CHECK-NEXT: tail call void @llvm.x86.sse2.clflush(i8* nonnull align 4 dereferenceable(4) bitcast (i32* @a to i8*))
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
tail call void @llvm.x86.sse2.clflush(i8* bitcast (i32* @a to i8*))
|
|
ret void
|
|
}
|
|
|
|
declare float @llvm.cos(float %val) readnone
|
|
|
|
; TEST 19 - positive, readnone & non-convergent intrinsic.
|
|
|
|
define i32 @cos_test(float %x) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@cos_test
|
|
; IS__TUNIT____-SAME: (float [[X:%.*]])
|
|
; IS__TUNIT____-NEXT: ret i32 4
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@cos_test
|
|
; IS__CGSCC____-SAME: (float [[X:%.*]])
|
|
; IS__CGSCC____-NEXT: ret i32 4
|
|
;
|
|
call float @llvm.cos(float %x)
|
|
ret i32 4
|
|
}
|
|
|
|
define float @cos_test2(float %x) {
|
|
; CHECK: Function Attrs: nosync nounwind readnone willreturn
|
|
; CHECK-LABEL: define {{[^@]+}}@cos_test2
|
|
; CHECK-SAME: (float [[X:%.*]])
|
|
; CHECK-NEXT: [[C:%.*]] = call float @llvm.cos.f32(float [[X]])
|
|
; CHECK-NEXT: ret float [[C]]
|
|
;
|
|
%c = call float @llvm.cos(float %x)
|
|
ret float %c
|
|
}
|