diff options
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/CorrelatedValuePropagation/pr161367.ll | 31 | ||||
| -rw-r--r-- | llvm/test/Transforms/FunctionAttrs/nocapture.ll | 68 | ||||
| -rw-r--r-- | llvm/test/Transforms/GlobalOpt/fastcc.ll | 90 | ||||
| -rw-r--r-- | llvm/test/Transforms/InstCombine/in-freeze-phi.ll | 274 | ||||
| -rw-r--r-- | llvm/test/Transforms/SimplifyCFG/hoist-with-metadata.ll | 171 |
5 files changed, 618 insertions, 16 deletions
diff --git a/llvm/test/Transforms/CorrelatedValuePropagation/pr161367.ll b/llvm/test/Transforms/CorrelatedValuePropagation/pr161367.ll new file mode 100644 index 0000000..346eaea --- /dev/null +++ b/llvm/test/Transforms/CorrelatedValuePropagation/pr161367.ll @@ -0,0 +1,31 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6 +; RUN: opt < %s -passes=correlated-propagation -S | FileCheck %s + +; Make sure that we apply trunc to the edge value of %x. +@g = external global i8 + +define i16 @pr161367(i64 %x) { +; CHECK-LABEL: define i16 @pr161367( +; CHECK-SAME: i64 [[X:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*]]: +; CHECK-NEXT: [[TRUNC:%.*]] = trunc i64 [[X]] to i16 +; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[X]], sub (i64 0, i64 ptrtoint (ptr @g to i64)) +; CHECK-NEXT: br i1 [[EXITCOND]], label %[[EXIT:.*]], label %[[ELSE:.*]] +; CHECK: [[ELSE]]: +; CHECK-NEXT: br label %[[EXIT]] +; CHECK: [[EXIT]]: +; CHECK-NEXT: [[RET:%.*]] = phi i16 [ trunc (i64 sub (i64 0, i64 ptrtoint (ptr @g to i64)) to i16), %[[ENTRY]] ], [ 0, %[[ELSE]] ] +; CHECK-NEXT: ret i16 [[RET]] +; +entry: + %trunc = trunc i64 %x to i16 + %exitcond = icmp eq i64 %x, sub (i64 0, i64 ptrtoint (ptr @g to i64)) + br i1 %exitcond, label %exit, label %else + +else: + br label %exit + +exit: + %ret = phi i16 [ %trunc, %entry ], [ 0, %else ] + ret i16 %ret +} diff --git a/llvm/test/Transforms/FunctionAttrs/nocapture.ll b/llvm/test/Transforms/FunctionAttrs/nocapture.ll index 60a4214..8113ba65 100644 --- a/llvm/test/Transforms/FunctionAttrs/nocapture.ll +++ b/llvm/test/Transforms/FunctionAttrs/nocapture.ll @@ -1398,5 +1398,73 @@ define void @assume_nonnull(ptr %p) { ret void } +define void @captures_metadata_address_is_null(ptr %x, ptr %y) { +; FNATTRS: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) +; FNATTRS-LABEL: define void @captures_metadata_address_is_null +; FNATTRS-SAME: (ptr captures(address_is_null) [[X:%.*]], ptr writeonly captures(none) initializes((0, 8)) [[Y:%.*]]) #[[ATTR17]] { +; FNATTRS-NEXT: store ptr [[X]], ptr [[Y]], align 8, !captures [[META0:![0-9]+]] +; FNATTRS-NEXT: ret void +; +; ATTRIBUTOR: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) +; ATTRIBUTOR-LABEL: define void @captures_metadata_address_is_null +; ATTRIBUTOR-SAME: (ptr nofree writeonly [[X:%.*]], ptr nofree nonnull writeonly captures(none) [[Y:%.*]]) #[[ATTR13]] { +; ATTRIBUTOR-NEXT: store ptr [[X]], ptr [[Y]], align 8, !captures [[META0:![0-9]+]] +; ATTRIBUTOR-NEXT: ret void +; + store ptr %x, ptr %y, !captures !{!"address_is_null"} + ret void +} + +define void @captures_metadata_address(ptr %x, ptr %y) { +; FNATTRS: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) +; FNATTRS-LABEL: define void @captures_metadata_address +; FNATTRS-SAME: (ptr captures(address) [[X:%.*]], ptr writeonly captures(none) initializes((0, 8)) [[Y:%.*]]) #[[ATTR17]] { +; FNATTRS-NEXT: store ptr [[X]], ptr [[Y]], align 8, !captures [[META1:![0-9]+]] +; FNATTRS-NEXT: ret void +; +; ATTRIBUTOR: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) +; ATTRIBUTOR-LABEL: define void @captures_metadata_address +; ATTRIBUTOR-SAME: (ptr nofree writeonly [[X:%.*]], ptr nofree nonnull writeonly captures(none) [[Y:%.*]]) #[[ATTR13]] { +; ATTRIBUTOR-NEXT: store ptr [[X]], ptr [[Y]], align 8, !captures [[META1:![0-9]+]] +; ATTRIBUTOR-NEXT: ret void +; + store ptr %x, ptr %y, !captures !{!"address"} + ret void +} + +define void @captures_metadata_address_read_provenance(ptr %x, ptr %y) { +; FNATTRS: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) +; FNATTRS-LABEL: define void @captures_metadata_address_read_provenance +; FNATTRS-SAME: (ptr captures(address, read_provenance) [[X:%.*]], ptr writeonly captures(none) initializes((0, 8)) [[Y:%.*]]) #[[ATTR17]] { +; FNATTRS-NEXT: store ptr [[X]], ptr [[Y]], align 8, !captures [[META2:![0-9]+]] +; FNATTRS-NEXT: ret void +; +; ATTRIBUTOR: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) +; ATTRIBUTOR-LABEL: define void @captures_metadata_address_read_provenance +; ATTRIBUTOR-SAME: (ptr nofree writeonly [[X:%.*]], ptr nofree nonnull writeonly captures(none) [[Y:%.*]]) #[[ATTR13]] { +; ATTRIBUTOR-NEXT: store ptr [[X]], ptr [[Y]], align 8, !captures [[META2:![0-9]+]] +; ATTRIBUTOR-NEXT: ret void +; + store ptr %x, ptr %y, !captures !{!"address", !"read_provenance"} + ret void +} + +define void @captures_metadata_provenance(ptr %x, ptr %y) { +; FNATTRS: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) +; FNATTRS-LABEL: define void @captures_metadata_provenance +; FNATTRS-SAME: (ptr captures(provenance) [[X:%.*]], ptr writeonly captures(none) initializes((0, 8)) [[Y:%.*]]) #[[ATTR17]] { +; FNATTRS-NEXT: store ptr [[X]], ptr [[Y]], align 8, !captures [[META3:![0-9]+]] +; FNATTRS-NEXT: ret void +; +; ATTRIBUTOR: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) +; ATTRIBUTOR-LABEL: define void @captures_metadata_provenance +; ATTRIBUTOR-SAME: (ptr nofree writeonly [[X:%.*]], ptr nofree nonnull writeonly captures(none) [[Y:%.*]]) #[[ATTR13]] { +; ATTRIBUTOR-NEXT: store ptr [[X]], ptr [[Y]], align 8, !captures [[META3:![0-9]+]] +; ATTRIBUTOR-NEXT: ret void +; + store ptr %x, ptr %y, !captures !{!"provenance"} + ret void +} + declare ptr @llvm.launder.invariant.group.p0(ptr) declare ptr @llvm.strip.invariant.group.p0(ptr) diff --git a/llvm/test/Transforms/GlobalOpt/fastcc.ll b/llvm/test/Transforms/GlobalOpt/fastcc.ll index 854357e..edbd602 100644 --- a/llvm/test/Transforms/GlobalOpt/fastcc.ll +++ b/llvm/test/Transforms/GlobalOpt/fastcc.ll @@ -1,16 +1,25 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6 ; RUN: opt < %s -passes=globalopt -S | FileCheck %s declare token @llvm.call.preallocated.setup(i32) declare ptr @llvm.call.preallocated.arg(token, i32) define internal i32 @f(ptr %m) { -; CHECK-LABEL: define internal fastcc i32 @f +; CHECK-LABEL: define internal fastcc i32 @f( +; CHECK-SAME: ptr [[M:%.*]]) unnamed_addr { +; CHECK-NEXT: [[V:%.*]] = load i32, ptr [[M]], align 4 +; CHECK-NEXT: ret i32 [[V]] +; %v = load i32, ptr %m ret i32 %v } define internal x86_thiscallcc i32 @g(ptr %m) { -; CHECK-LABEL: define internal fastcc i32 @g +; CHECK-LABEL: define internal fastcc i32 @g( +; CHECK-SAME: ptr [[M:%.*]]) unnamed_addr { +; CHECK-NEXT: [[V:%.*]] = load i32, ptr [[M]], align 4 +; CHECK-NEXT: ret i32 [[V]] +; %v = load i32, ptr %m ret i32 %v } @@ -18,41 +27,80 @@ define internal x86_thiscallcc i32 @g(ptr %m) { ; Leave this one alone, because the user went out of their way to request this ; convention. define internal coldcc i32 @h(ptr %m) { -; CHECK-LABEL: define internal coldcc i32 @h +; CHECK-LABEL: define internal coldcc i32 @h( +; CHECK-SAME: ptr [[M:%.*]]) unnamed_addr { +; CHECK-NEXT: [[V:%.*]] = load i32, ptr [[M]], align 4 +; CHECK-NEXT: ret i32 [[V]] +; %v = load i32, ptr %m ret i32 %v } define internal i32 @j(ptr %m) { -; CHECK-LABEL: define internal i32 @j +; CHECK-LABEL: define internal i32 @j( +; CHECK-SAME: ptr [[M:%.*]]) { +; CHECK-NEXT: [[V:%.*]] = load i32, ptr [[M]], align 4 +; CHECK-NEXT: ret i32 [[V]] +; %v = load i32, ptr %m ret i32 %v } define internal i32 @inalloca(ptr inalloca(i32) %p) { -; CHECK-LABEL: define internal fastcc i32 @inalloca(ptr %p) +; CHECK-LABEL: define internal fastcc i32 @inalloca( +; CHECK-SAME: ptr [[P:%.*]]) unnamed_addr { +; CHECK-NEXT: [[RV:%.*]] = load i32, ptr [[P]], align 4 +; CHECK-NEXT: ret i32 [[RV]] +; %rv = load i32, ptr %p ret i32 %rv } define i32 @inalloca2_caller(ptr inalloca(i32) %p) { +; CHECK-LABEL: define i32 @inalloca2_caller( +; CHECK-SAME: ptr inalloca(i32) [[P:%.*]]) local_unnamed_addr { +; CHECK-NEXT: [[RV:%.*]] = musttail call i32 @inalloca2(ptr inalloca(i32) [[P]]) +; CHECK-NEXT: ret i32 [[RV]] +; %rv = musttail call i32 @inalloca2(ptr inalloca(i32) %p) ret i32 %rv } define internal i32 @inalloca2(ptr inalloca(i32) %p) { ; Because of the musttail caller, this inalloca cannot be dropped. -; CHECK-LABEL: define internal i32 @inalloca2(ptr inalloca(i32) %p) +; CHECK-LABEL: define internal i32 @inalloca2( +; CHECK-SAME: ptr inalloca(i32) [[P:%.*]]) unnamed_addr { +; CHECK-NEXT: [[RV:%.*]] = load i32, ptr [[P]], align 4 +; CHECK-NEXT: ret i32 [[RV]] +; %rv = load i32, ptr %p ret i32 %rv } define internal i32 @preallocated(ptr preallocated(i32) %p) { -; CHECK-LABEL: define internal fastcc i32 @preallocated(ptr %p) +; CHECK-LABEL: define internal fastcc i32 @preallocated( +; CHECK-SAME: ptr [[P:%.*]]) unnamed_addr { +; CHECK-NEXT: [[RV:%.*]] = load i32, ptr [[P]], align 4 +; CHECK-NEXT: ret i32 [[RV]] +; %rv = load i32, ptr %p ret i32 %rv } define void @call_things() { +; CHECK-LABEL: define void @call_things() local_unnamed_addr { +; CHECK-NEXT: [[M:%.*]] = alloca i32, align 4 +; CHECK-NEXT: [[TMP1:%.*]] = call fastcc i32 @f(ptr [[M]]) +; CHECK-NEXT: [[TMP2:%.*]] = call fastcc i32 @g(ptr [[M]]) +; CHECK-NEXT: [[TMP3:%.*]] = call coldcc i32 @h(ptr [[M]]) +; CHECK-NEXT: [[TMP4:%.*]] = call i32 @j(ptr [[M]]) +; CHECK-NEXT: [[ARGS:%.*]] = alloca inalloca i32, align 4 +; CHECK-NEXT: [[TMP5:%.*]] = call fastcc i32 @inalloca(ptr [[ARGS]]) +; CHECK-NEXT: [[TMP6:%.*]] = call ptr @llvm.stacksave.p0() +; CHECK-NEXT: [[PAARG:%.*]] = alloca i32, align 4 +; CHECK-NEXT: [[TMP7:%.*]] = call fastcc i32 @preallocated(ptr [[PAARG]]) +; CHECK-NEXT: call void @llvm.stackrestore.p0(ptr [[TMP6]]) +; CHECK-NEXT: ret void +; %m = alloca i32 call i32 @f(ptr %m) call x86_thiscallcc i32 @g(ptr %m) @@ -65,15 +113,25 @@ define void @call_things() { call i32 @preallocated(ptr preallocated(i32) %N) ["preallocated"(token %c)] ret void } -; CHECK-LABEL: define void @call_things() -; CHECK: call fastcc i32 @f -; CHECK: call fastcc i32 @g -; CHECK: call coldcc i32 @h -; CHECK: call i32 @j -; CHECK: call fastcc i32 @inalloca(ptr %args) -; CHECK-NOT: llvm.call.preallocated -; CHECK: call fastcc i32 @preallocated(ptr %paarg) @llvm.used = appending global [1 x ptr] [ - ptr @j + ptr @j ], section "llvm.metadata" + +define internal i32 @assume_fastcc() { +; CHECK-LABEL: define internal fastcc i32 @assume_fastcc() { +; CHECK-NEXT: [[OBJSIZE:%.*]] = call i32 @llvm.objectsize.i32.p0(ptr @assume_fastcc, i1 false, i1 false, i1 false) +; CHECK-NEXT: ret i32 [[OBJSIZE]] +; + %objsize = call i32 @llvm.objectsize.i32.p0(ptr @assume_fastcc, i1 false, i1 false, i1 false) + ret i32 %objsize +} + +define internal i32 @constexpr_self_user() addrspace(1) { +; CHECK-LABEL: define internal fastcc i32 @constexpr_self_user() addrspace(1) { +; CHECK-NEXT: [[OBJSIZE:%.*]] = call i32 @llvm.objectsize.i32.p0(ptr addrspacecast (ptr addrspace(1) @constexpr_self_user to ptr), i1 false, i1 false, i1 false) +; CHECK-NEXT: ret i32 [[OBJSIZE]] +; + %objsize = call i32 @llvm.objectsize.i32.p0(ptr addrspacecast (ptr addrspace(1) @constexpr_self_user to ptr), i1 false, i1 false, i1 false) + ret i32 %objsize +} diff --git a/llvm/test/Transforms/InstCombine/in-freeze-phi.ll b/llvm/test/Transforms/InstCombine/in-freeze-phi.ll new file mode 100644 index 0000000..917d81b --- /dev/null +++ b/llvm/test/Transforms/InstCombine/in-freeze-phi.ll @@ -0,0 +1,274 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 +; RUN: opt -passes=instcombine -S < %s | FileCheck %s + +define i32 @phi_freeze_same_consts(i1 %c0, i1 %c1) { +; CHECK-LABEL: define i32 @phi_freeze_same_consts( +; CHECK-SAME: i1 [[C0:%.*]], i1 [[C1:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*:]] +; CHECK-NEXT: br i1 [[C0]], label %[[BB_FREEZE:.*]], label %[[BB_OTHER:.*]] +; CHECK: [[BB_FREEZE]]: +; CHECK-NEXT: br label %[[FINAL:.*]] +; CHECK: [[BB_OTHER]]: +; CHECK-NEXT: br i1 [[C1]], label %[[CA:.*]], label %[[CB:.*]] +; CHECK: [[CA]]: +; CHECK-NEXT: br label %[[FINAL]] +; CHECK: [[CB]]: +; CHECK-NEXT: br label %[[FINAL]] +; CHECK: [[FINAL]]: +; CHECK-NEXT: ret i32 42 +; +entry: + br i1 %c0, label %bb_freeze, label %bb_other + +bb_freeze: + %f = freeze i32 undef + br label %final + +bb_other: + br i1 %c1, label %cA, label %cB +cA: + br label %final +cB: + br label %final + +final: + %phi = phi i32 [ %f, %bb_freeze ], [ 42, %cA ], [ 42, %cB ] + ret i32 %phi +} + +define i32 @phi_freeze_mixed_consts(i1 %c0, i1 %c1) { +; CHECK-LABEL: define i32 @phi_freeze_mixed_consts( +; CHECK-SAME: i1 [[C0:%.*]], i1 [[C1:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*:]] +; CHECK-NEXT: br i1 [[C0]], label %[[BB_FREEZE:.*]], label %[[BB_OTHER:.*]] +; CHECK: [[BB_FREEZE]]: +; CHECK-NEXT: br label %[[FINAL:.*]] +; CHECK: [[BB_OTHER]]: +; CHECK-NEXT: br i1 [[C1]], label %[[CA:.*]], label %[[CB:.*]] +; CHECK: [[CA]]: +; CHECK-NEXT: br label %[[FINAL]] +; CHECK: [[CB]]: +; CHECK-NEXT: br label %[[FINAL]] +; CHECK: [[FINAL]]: +; CHECK-NEXT: [[PHI:%.*]] = phi i32 [ 0, %[[BB_FREEZE]] ], [ 42, %[[CA]] ], [ 7, %[[CB]] ] +; CHECK-NEXT: ret i32 [[PHI]] +; +entry: + br i1 %c0, label %bb_freeze, label %bb_other + +bb_freeze: + %f = freeze i32 undef + br label %final + +bb_other: + br i1 %c1, label %cA, label %cB +cA: + br label %final +cB: + br label %final + +final: + %phi = phi i32 [ %f, %bb_freeze ], [ 42, %cA ], [ 7, %cB ] + ret i32 %phi +} + +define i32 @phi_freeze_with_nonconst_incoming(i32 %x, i1 %c0, i1 %c1) { +; CHECK-LABEL: define i32 @phi_freeze_with_nonconst_incoming( +; CHECK-SAME: i32 [[X:%.*]], i1 [[C0:%.*]], i1 [[C1:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*:]] +; CHECK-NEXT: br i1 [[C0]], label %[[BB_FREEZE:.*]], label %[[BB_OTHER:.*]] +; CHECK: [[BB_FREEZE]]: +; CHECK-NEXT: br label %[[FINAL:.*]] +; CHECK: [[BB_OTHER]]: +; CHECK-NEXT: br i1 [[C1]], label %[[CA:.*]], label %[[CB:.*]] +; CHECK: [[CA]]: +; CHECK-NEXT: br label %[[FINAL]] +; CHECK: [[CB]]: +; CHECK-NEXT: br label %[[FINAL]] +; CHECK: [[FINAL]]: +; CHECK-NEXT: [[PHI:%.*]] = phi i32 [ 0, %[[BB_FREEZE]] ], [ [[X]], %[[CA]] ], [ 13, %[[CB]] ] +; CHECK-NEXT: ret i32 [[PHI]] +; +entry: + br i1 %c0, label %bb_freeze, label %bb_other + +bb_freeze: + %f = freeze i32 undef + br label %final + +bb_other: + br i1 %c1, label %cA, label %cB +cA: + br label %final +cB: + br label %final + +final: + %phi = phi i32 [ %f, %bb_freeze ], [ %x, %cA ], [ 13, %cB ] + ret i32 %phi +} + +define <4 x i8> @phi_freeze_vector(i1 %c0, i1 %c1) { +; CHECK-LABEL: define <4 x i8> @phi_freeze_vector( +; CHECK-SAME: i1 [[C0:%.*]], i1 [[C1:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*:]] +; CHECK-NEXT: br i1 [[C0]], label %[[BB_FREEZE:.*]], label %[[BB_OTHER:.*]] +; CHECK: [[BB_FREEZE]]: +; CHECK-NEXT: br label %[[FINAL:.*]] +; CHECK: [[BB_OTHER]]: +; CHECK-NEXT: br i1 [[C1]], label %[[CA:.*]], label %[[CB:.*]] +; CHECK: [[CA]]: +; CHECK-NEXT: br label %[[FINAL]] +; CHECK: [[CB]]: +; CHECK-NEXT: br label %[[FINAL]] +; CHECK: [[FINAL]]: +; CHECK-NEXT: ret <4 x i8> splat (i8 9) +; +entry: + br i1 %c0, label %bb_freeze, label %bb_other + +bb_freeze: + %f = freeze <4 x i8> undef + br label %final + +bb_other: + br i1 %c1, label %cA, label %cB + +cA: + br label %final + +cB: + br label %final + +final: + %phi = phi <4 x i8> [ %f, %bb_freeze ], + [<i8 9, i8 9, i8 9, i8 9>, %cA ], + [<i8 9, i8 9, i8 9, i8 9>, %cB ] + ret <4 x i8> %phi +} + +define i32 @multi_use_one_folds_one_not_zero(i1 %c0, i1 %c1, i1 %c2) { +; CHECK-LABEL: define i32 @multi_use_one_folds_one_not_zero( +; CHECK-SAME: i1 [[C0:%.*]], i1 [[C1:%.*]], i1 [[C2:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*:]] +; CHECK-NEXT: br i1 [[C0]], label %[[BB_OTHER3:.*]], label %[[CC1:.*]] +; CHECK: [[BB_OTHER3]]: +; CHECK-NEXT: br label %[[MID:.*]] +; CHECK: [[CC1]]: +; CHECK-NEXT: br i1 [[C1]], label %[[CA:.*]], label %[[CB:.*]] +; CHECK: [[CA]]: +; CHECK-NEXT: br label %[[MID]] +; CHECK: [[CB]]: +; CHECK-NEXT: br label %[[MID]] +; CHECK: [[MID]]: +; CHECK-NEXT: [[PHI_FOLD:%.*]] = phi i32 [ 0, %[[BB_OTHER3]] ], [ 1, %[[CA]] ], [ 1, %[[CB]] ] +; CHECK-NEXT: br i1 [[C2]], label %[[BB_FREEZE2:.*]], label %[[CD:.*]] +; CHECK: [[BB_FREEZE2]]: +; CHECK-NEXT: br label %[[FINAL:.*]] +; CHECK: [[BB_OTHER2:.*:]] +; CHECK-NEXT: br i1 true, label %[[CA]], label %[[CB]] +; CHECK: [[CC:.*:]] +; CHECK-NEXT: br label %[[FINAL]] +; CHECK: [[CD]]: +; CHECK-NEXT: br label %[[FINAL]] +; CHECK: [[FINAL]]: +; CHECK-NEXT: ret i32 [[PHI_FOLD]] +; +entry: + %f = freeze i32 undef + br i1 %c0, label %bb_freeze, label %bb_other +bb_freeze: + br label %mid +bb_other: + br i1 %c1, label %cA, label %cB +cA: + br label %mid +cB: + br label %mid +mid: + %phi_no_fold = phi i32 [ %f, %bb_freeze ], [ 1, %cA ], [ 1, %cB ] + br i1 %c2, label %bb_freeze2, label %cD +bb_freeze2: + br label %final +bb_other2: + br i1 %c1, label %cA, label %cB +cC: + br label %final +cD: + br label %final +final: + %phi_fold = phi i32 [ %f, %bb_freeze2 ], [ 0, %cC ], [ 0, %cD ] + %a = add i32 %phi_fold, %phi_no_fold + ret i32 %a +} + +define i32 @phi_freeze_poison(i1 %c0, i1 %c1) { +; CHECK-LABEL: define i32 @phi_freeze_poison( +; CHECK-SAME: i1 [[C0:%.*]], i1 [[C1:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*:]] +; CHECK-NEXT: br i1 [[C0]], label %[[BB_FREEZE:.*]], label %[[BB_OTHER:.*]] +; CHECK: [[BB_FREEZE]]: +; CHECK-NEXT: br label %[[FINAL:.*]] +; CHECK: [[BB_OTHER]]: +; CHECK-NEXT: br i1 [[C1]], label %[[CA:.*]], label %[[CB:.*]] +; CHECK: [[CA]]: +; CHECK-NEXT: br label %[[FINAL]] +; CHECK: [[CB]]: +; CHECK-NEXT: br label %[[FINAL]] +; CHECK: [[FINAL]]: +; CHECK-NEXT: ret i32 0 +; +entry: + br i1 %c0, label %bb_freeze, label %bb_other + +bb_freeze: + %f = freeze i32 undef + br label %final + +bb_other: + br i1 %c1, label %cA, label %cB +cA: + br label %final +cB: + br label %final + +final: + %phi = phi i32 [ %f, %bb_freeze ], [ poison, %cA ], [ poison, %cB ] + ret i32 %phi +} + +define <2 x i32> @phi_freeze_poison_vec(i1 %c0, i1 %c1) { +; CHECK-LABEL: define <2 x i32> @phi_freeze_poison_vec( +; CHECK-SAME: i1 [[C0:%.*]], i1 [[C1:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*:]] +; CHECK-NEXT: br i1 [[C0]], label %[[BB_FREEZE:.*]], label %[[BB_OTHER:.*]] +; CHECK: [[BB_FREEZE]]: +; CHECK-NEXT: br label %[[FINAL:.*]] +; CHECK: [[BB_OTHER]]: +; CHECK-NEXT: br i1 [[C1]], label %[[CA:.*]], label %[[CB:.*]] +; CHECK: [[CA]]: +; CHECK-NEXT: br label %[[FINAL]] +; CHECK: [[CB]]: +; CHECK-NEXT: br label %[[FINAL]] +; CHECK: [[FINAL]]: +; CHECK-NEXT: [[PHI:%.*]] = phi <2 x i32> [ zeroinitializer, %[[BB_FREEZE]] ], [ <i32 poison, i32 1>, %[[CA]] ], [ <i32 poison, i32 1>, %[[CB]] ] +; CHECK-NEXT: ret <2 x i32> [[PHI]] +; +entry: + br i1 %c0, label %bb_freeze, label %bb_other + +bb_freeze: + %f = freeze <2 x i32> undef + br label %final + +bb_other: + br i1 %c1, label %cA, label %cB +cA: + br label %final +cB: + br label %final + +final: + %phi = phi <2 x i32> [ %f, %bb_freeze ], [ <i32 poison, i32 1>, %cA ], [ <i32 poison, i32 1>, %cB ] + ret <2 x i32> %phi +} diff --git a/llvm/test/Transforms/SimplifyCFG/hoist-with-metadata.ll b/llvm/test/Transforms/SimplifyCFG/hoist-with-metadata.ll index d34ac2b..85c8ed2 100644 --- a/llvm/test/Transforms/SimplifyCFG/hoist-with-metadata.ll +++ b/llvm/test/Transforms/SimplifyCFG/hoist-with-metadata.ll @@ -424,6 +424,174 @@ join: ret ptr %phi } +define void @hoist_captures_same(i1 %c, ptr %x, ptr %y) { +; CHECK-LABEL: @hoist_captures_same( +; CHECK-NEXT: if: +; CHECK-NEXT: store ptr [[X:%.*]], ptr [[Y:%.*]], align 8, !captures [[META9:![0-9]+]] +; CHECK-NEXT: ret void +; +if: + br i1 %c, label %then, label %else + +then: + store ptr %x, ptr %y, !captures !{!"address"} + br label %out + +else: + store ptr %x, ptr %y, !captures !{!"address"} + br label %out + +out: + ret void +} + +define void @hoist_captures_different(i1 %c, ptr %x, ptr %y) { +; CHECK-LABEL: @hoist_captures_different( +; CHECK-NEXT: if: +; CHECK-NEXT: store ptr [[X:%.*]], ptr [[Y:%.*]], align 8, !captures [[META10:![0-9]+]] +; CHECK-NEXT: ret void +; +if: + br i1 %c, label %then, label %else + +then: + store ptr %x, ptr %y, !captures !{!"address"} + br label %out + +else: + store ptr %x, ptr %y, !captures !{!"read_provenance"} + br label %out + +out: + ret void +} + +define void @hoist_captures_overlap(i1 %c, ptr %x, ptr %y) { +; CHECK-LABEL: @hoist_captures_overlap( +; CHECK-NEXT: if: +; CHECK-NEXT: store ptr [[X:%.*]], ptr [[Y:%.*]], align 8, !captures [[META10]] +; CHECK-NEXT: ret void +; +if: + br i1 %c, label %then, label %else + +then: + store ptr %x, ptr %y, !captures !{!"address"} + br label %out + +else: + store ptr %x, ptr %y, !captures !{!"address", !"read_provenance"} + br label %out + +out: + ret void +} + +define void @hoist_captures_subsume1(i1 %c, ptr %x, ptr %y) { +; CHECK-LABEL: @hoist_captures_subsume1( +; CHECK-NEXT: if: +; CHECK-NEXT: store ptr [[X:%.*]], ptr [[Y:%.*]], align 8, !captures [[META9]] +; CHECK-NEXT: ret void +; +if: + br i1 %c, label %then, label %else + +then: + store ptr %x, ptr %y, !captures !{!"address_is_null"} + br label %out + +else: + store ptr %x, ptr %y, !captures !{!"address"} + br label %out + +out: + ret void +} + +define void @hoist_captures_subsume2(i1 %c, ptr %x, ptr %y) { +; CHECK-LABEL: @hoist_captures_subsume2( +; CHECK-NEXT: if: +; CHECK-NEXT: store ptr [[X:%.*]], ptr [[Y:%.*]], align 8, !captures [[META11:![0-9]+]] +; CHECK-NEXT: ret void +; +if: + br i1 %c, label %then, label %else + +then: + store ptr %x, ptr %y, !captures !{!"provenance"} + br label %out + +else: + store ptr %x, ptr %y, !captures !{!"read_provenance"} + br label %out + +out: + ret void +} + +define void @hoist_captures_full_set(i1 %c, ptr %x, ptr %y) { +; CHECK-LABEL: @hoist_captures_full_set( +; CHECK-NEXT: if: +; CHECK-NEXT: store ptr [[X:%.*]], ptr [[Y:%.*]], align 8 +; CHECK-NEXT: ret void +; +if: + br i1 %c, label %then, label %else + +then: + store ptr %x, ptr %y, !captures !{!"address"} + br label %out + +else: + store ptr %x, ptr %y, !captures !{!"provenance"} + br label %out + +out: + ret void +} + +define void @hoist_captures_only_one1(i1 %c, ptr %x, ptr %y) { +; CHECK-LABEL: @hoist_captures_only_one1( +; CHECK-NEXT: if: +; CHECK-NEXT: store ptr [[X:%.*]], ptr [[Y:%.*]], align 8 +; CHECK-NEXT: ret void +; +if: + br i1 %c, label %then, label %else + +then: + store ptr %x, ptr %y, !captures !{!"address"} + br label %out + +else: + store ptr %x, ptr %y + br label %out + +out: + ret void +} + +define void @hoist_captures_only_one2(i1 %c, ptr %x, ptr %y) { +; CHECK-LABEL: @hoist_captures_only_one2( +; CHECK-NEXT: if: +; CHECK-NEXT: store ptr [[X:%.*]], ptr [[Y:%.*]], align 8 +; CHECK-NEXT: ret void +; +if: + br i1 %c, label %then, label %else + +then: + store ptr %x, ptr %y + br label %out + +else: + store ptr %x, ptr %y, !captures !{!"address"} + br label %out + +out: + ret void +} + !0 = !{ i8 0, i8 1 } !1 = !{ i8 3, i8 5 } !2 = !{} @@ -445,4 +613,7 @@ join: ; CHECK: [[META6]] = !{float 2.500000e+00} ; CHECK: [[META7]] = !{i32 5, i32 6} ; CHECK: [[META8]] = !{i32 4, i32 5} +; CHECK: [[META9]] = !{!"address"} +; CHECK: [[META10]] = !{!"address", !"read_provenance"} +; CHECK: [[META11]] = !{!"provenance"} ;. |