diff options
Diffstat (limited to 'llvm/test')
4 files changed, 2 insertions, 380 deletions
diff --git a/llvm/test/Transforms/DeadStoreElimination/PartialStore.ll b/llvm/test/Transforms/DeadStoreElimination/PartialStore.ll index 2a07fae0013..d85b4de0ab9 100644 --- a/llvm/test/Transforms/DeadStoreElimination/PartialStore.ll +++ b/llvm/test/Transforms/DeadStoreElimination/PartialStore.ll @@ -1,4 +1,4 @@ -; RUN: opt < %s -basicaa -dse -enable-dse-partial-store-merging=false -S | FileCheck %s +; RUN: opt < %s -basicaa -dse -S | FileCheck %s target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128" ; Ensure that the dead store is deleted in this case. It is wholely diff --git a/llvm/test/Transforms/DeadStoreElimination/combined-partial-overwrites.ll b/llvm/test/Transforms/DeadStoreElimination/combined-partial-overwrites.ll index 2932307beaf..cb015b2d1ce 100644 --- a/llvm/test/Transforms/DeadStoreElimination/combined-partial-overwrites.ll +++ b/llvm/test/Transforms/DeadStoreElimination/combined-partial-overwrites.ll @@ -1,4 +1,4 @@ -; RUN: opt -S -dse -enable-dse-partial-store-merging=false < %s | FileCheck %s +; RUN: opt -S -dse < %s | FileCheck %s target datalayout = "E-m:e-i64:64-n32:64" target triple = "powerpc64-bgq-linux" diff --git a/llvm/test/Transforms/DeadStoreElimination/merge-stores-big-endian.ll b/llvm/test/Transforms/DeadStoreElimination/merge-stores-big-endian.ll deleted file mode 100644 index 8d44855f2f9..00000000000 --- a/llvm/test/Transforms/DeadStoreElimination/merge-stores-big-endian.ll +++ /dev/null @@ -1,173 +0,0 @@ -; NOTE: Assertions have been autogenerated by utils/update_test_checks.py -; RUN: opt -dse -enable-dse-partial-store-merging -S < %s | FileCheck %s -target datalayout = "E-m:e-i64:64-i128:128-n32:64-S128" - -define void @byte_by_byte_replacement(i32 *%ptr) { -; CHECK-LABEL: @byte_by_byte_replacement( -; CHECK-NEXT: entry: -; CHECK-NEXT: store i32 151653132, i32* [[PTR:%.*]] -; CHECK-NEXT: ret void -; -entry: - ;; This store's value should be modified as it should be better to use one - ;; larger store than several smaller ones. - ;; store will turn into 0x090A0B0C == 151653132 - store i32 305419896, i32* %ptr ; 0x12345678 - %bptr = bitcast i32* %ptr to i8* - %bptr1 = getelementptr inbounds i8, i8* %bptr, i64 1 - %bptr2 = getelementptr inbounds i8, i8* %bptr, i64 2 - %bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3 - - ;; We should be able to merge these four stores with the i32 above - ; value (and bytes) stored before ; 0x12345678 - store i8 9, i8* %bptr ; 09 - store i8 10, i8* %bptr1 ; 0A - store i8 11, i8* %bptr2 ; 0B - store i8 12, i8* %bptr3 ; 0C - ; 0x090A0B0C - - ret void -} - -define void @word_replacement(i64 *%ptr) { -; CHECK-LABEL: @word_replacement( -; CHECK-NEXT: entry: -; CHECK-NEXT: store i64 72638273700655232, i64* [[PTR:%.*]] -; CHECK-NEXT: ret void -; -entry: - store i64 72623859790382856, i64* %ptr ; 0x0102030405060708 - - %wptr = bitcast i64* %ptr to i16* - %wptr1 = getelementptr inbounds i16, i16* %wptr, i64 1 - %wptr2 = getelementptr inbounds i16, i16* %wptr, i64 2 - %wptr3 = getelementptr inbounds i16, i16* %wptr, i64 3 - - ;; We should be able to merge these two stores with the i64 one above - ; value (and bytes) stored before ; 0x0102030405060708 - store i16 4128, i16* %wptr1 ; 1020 - store i16 28800, i16* %wptr3 ; 7080 - ; 0x0102102005067080 - - ret void -} - - -define void @differently_sized_replacements(i64 *%ptr) { -; CHECK-LABEL: @differently_sized_replacements( -; CHECK-NEXT: entry: -; CHECK-NEXT: store i64 289077004501059343, i64* [[PTR:%.*]] -; CHECK-NEXT: ret void -; -entry: - store i64 579005069656919567, i64* %ptr ; 0x08090a0b0c0d0e0f - - %bptr = bitcast i64* %ptr to i8* - %bptr6 = getelementptr inbounds i8, i8* %bptr, i64 6 - %wptr = bitcast i64* %ptr to i16* - %wptr2 = getelementptr inbounds i16, i16* %wptr, i64 2 - %dptr = bitcast i64* %ptr to i32* - - ;; We should be able to merge all these stores with the i64 one above - ; value (and bytes) stored before ; 0x08090a0b0c0d0e0f - store i8 7, i8* %bptr6 ; 07 - store i16 1541, i16* %wptr2 ; 0605 - store i32 67305985, i32* %dptr ; 04030201 - ; 0x040302010605070f - ret void -} - - -define void @multiple_replacements_to_same_byte(i64 *%ptr) { -; CHECK-LABEL: @multiple_replacements_to_same_byte( -; CHECK-NEXT: entry: -; CHECK-NEXT: store i64 289077004602248719, i64* [[PTR:%.*]] -; CHECK-NEXT: ret void -; -entry: - store i64 579005069656919567, i64* %ptr ; 0x08090a0b0c0d0e0f - - %bptr = bitcast i64* %ptr to i8* - %bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3 - %wptr = bitcast i64* %ptr to i16* - %wptr1 = getelementptr inbounds i16, i16* %wptr, i64 1 - %dptr = bitcast i64* %ptr to i32* - - ;; We should be able to merge all these stores with the i64 one above - ; value (and bytes) stored before ; 0x08090a0b0c0d0e0f - store i8 7, i8* %bptr3 ; 07 - store i16 1541, i16* %wptr1 ; 0605 - store i32 67305985, i32* %dptr ; 04030201 - ; 0x040302010c0d0e0f - ret void -} - -define void @merged_merges(i64 *%ptr) { -; CHECK-LABEL: @merged_merges( -; CHECK-NEXT: entry: -; CHECK-NEXT: store i64 289081428418563599, i64* [[PTR:%.*]] -; CHECK-NEXT: ret void -; -entry: - store i64 579005069656919567, i64* %ptr ; 0x08090a0b0c0d0e0f - - %bptr = bitcast i64* %ptr to i8* - %bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3 - %wptr = bitcast i64* %ptr to i16* - %wptr1 = getelementptr inbounds i16, i16* %wptr, i64 1 - %dptr = bitcast i64* %ptr to i32* - - ;; We should be able to merge all these stores with the i64 one above - ; value (not bytes) stored before ; 0x08090a0b0c0d0e0f - store i32 67305985, i32* %dptr ; 04030201 - store i16 1541, i16* %wptr1 ; 0605 - store i8 7, i8* %bptr3 ; 07 - ; 0x040306070c0d0e0f - ret void -} - -define signext i8 @shouldnt_merge_since_theres_a_full_overlap(i64 *%ptr) { -; CHECK-LABEL: @shouldnt_merge_since_theres_a_full_overlap( -; CHECK-NEXT: entry: -; CHECK-NEXT: [[BPTR:%.*]] = bitcast i64* [[PTR:%.*]] to i8* -; CHECK-NEXT: [[BPTRM1:%.*]] = getelementptr inbounds i8, i8* [[BPTR]], i64 -1 -; CHECK-NEXT: [[BPTR3:%.*]] = getelementptr inbounds i8, i8* [[BPTR]], i64 3 -; CHECK-NEXT: [[DPTR:%.*]] = bitcast i8* [[BPTRM1]] to i32* -; CHECK-NEXT: [[QPTR:%.*]] = bitcast i8* [[BPTR3]] to i64* -; CHECK-NEXT: store i32 1234, i32* [[DPTR]], align 1 -; CHECK-NEXT: store i64 5678, i64* [[QPTR]], align 1 -; CHECK-NEXT: ret i8 0 -; -entry: - - store i64 0, i64* %ptr - - %bptr = bitcast i64* %ptr to i8* - %bptrm1 = getelementptr inbounds i8, i8* %bptr, i64 -1 - %bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3 - %dptr = bitcast i8* %bptrm1 to i32* - %qptr = bitcast i8* %bptr3 to i64* - - store i32 1234, i32* %dptr, align 1 - store i64 5678, i64* %qptr, align 1 - - ret i8 0 -} - -;; Test case from PR31777 -%union.U = type { i64 } - -define void @foo(%union.U* nocapture %u) { -; CHECK-LABEL: @foo( -; CHECK-NEXT: entry: -; CHECK-NEXT: [[I:%.*]] = getelementptr inbounds [[UNION_U:%.*]], %union.U* [[U:%.*]], i64 0, i32 0 -; CHECK-NEXT: store i64 11821949021847552, i64* [[I]], align 8 -; CHECK-NEXT: ret void -; -entry: - %i = getelementptr inbounds %union.U, %union.U* %u, i64 0, i32 0 - store i64 0, i64* %i, align 8 - %s = bitcast %union.U* %u to i16* - store i16 42, i16* %s, align 8 - ret void -} diff --git a/llvm/test/Transforms/DeadStoreElimination/merge-stores.ll b/llvm/test/Transforms/DeadStoreElimination/merge-stores.ll deleted file mode 100644 index b180b663a0b..00000000000 --- a/llvm/test/Transforms/DeadStoreElimination/merge-stores.ll +++ /dev/null @@ -1,205 +0,0 @@ -; NOTE: Assertions have been autogenerated by utils/update_test_checks.py -; RUN: opt -dse -enable-dse-partial-store-merging -S < %s | FileCheck %s -target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-f128:128:128-n8:16:32:64" - -define void @byte_by_byte_replacement(i32 *%ptr) { -; CHECK-LABEL: @byte_by_byte_replacement( -; CHECK-NEXT: entry: -; CHECK-NEXT: store i32 202050057, i32* [[PTR:%.*]] -; CHECK-NEXT: ret void -; -entry: - ;; This store's value should be modified as it should be better to use one - ;; larger store than several smaller ones. - ;; store will turn into 0x0C0B0A09 == 202050057 - store i32 305419896, i32* %ptr ; 0x12345678 - %bptr = bitcast i32* %ptr to i8* - %bptr1 = getelementptr inbounds i8, i8* %bptr, i64 1 - %bptr2 = getelementptr inbounds i8, i8* %bptr, i64 2 - %bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3 - - ;; We should be able to merge these four stores with the i32 above - ; value (and bytes) stored before ; 0x12345678 - store i8 9, i8* %bptr ; 09 - store i8 10, i8* %bptr1 ; 0A - store i8 11, i8* %bptr2 ; 0B - store i8 12, i8* %bptr3 ; 0C - ; 0x0C0B0A09 - ret void -} - -define void @word_replacement(i64 *%ptr) { -; CHECK-LABEL: @word_replacement( -; CHECK-NEXT: entry: -; CHECK-NEXT: store i64 8106482645252179720, i64* [[PTR:%.*]] -; CHECK-NEXT: ret void -; -entry: - store i64 72623859790382856, i64* %ptr ; 0x0102030405060708 - - %wptr = bitcast i64* %ptr to i16* - %wptr1 = getelementptr inbounds i16, i16* %wptr, i64 1 - %wptr2 = getelementptr inbounds i16, i16* %wptr, i64 2 - %wptr3 = getelementptr inbounds i16, i16* %wptr, i64 3 - - ;; We should be able to merge these two stores with the i64 one above - ; value (not bytes) stored before ; 0x0102030405060708 - store i16 4128, i16* %wptr1 ; 1020 - store i16 28800, i16* %wptr3 ; 7080 - ; 0x7080030410200708 - ret void -} - - -define void @differently_sized_replacements(i64 *%ptr) { -; CHECK-LABEL: @differently_sized_replacements( -; CHECK-NEXT: entry: -; CHECK-NEXT: store i64 578437695752307201, i64* [[PTR:%.*]] -; CHECK-NEXT: ret void -; -entry: - store i64 579005069656919567, i64* %ptr ; 0x08090a0b0c0d0e0f - - %bptr = bitcast i64* %ptr to i8* - %bptr6 = getelementptr inbounds i8, i8* %bptr, i64 6 - %wptr = bitcast i64* %ptr to i16* - %wptr2 = getelementptr inbounds i16, i16* %wptr, i64 2 - %dptr = bitcast i64* %ptr to i32* - - ;; We should be able to merge all these stores with the i64 one above - ; value (not bytes) stored before ; 0x08090a0b0c0d0e0f - store i8 7, i8* %bptr6 ; 07 - store i16 1541, i16* %wptr2 ; 0605 - store i32 67305985, i32* %dptr ; 04030201 - ; 0x0807060504030201 - ret void -} - - -define void @multiple_replacements_to_same_byte(i64 *%ptr) { -; CHECK-LABEL: @multiple_replacements_to_same_byte( -; CHECK-NEXT: entry: -; CHECK-NEXT: store i64 579005069522043393, i64* [[PTR:%.*]] -; CHECK-NEXT: ret void -; -entry: - store i64 579005069656919567, i64* %ptr ; 0x08090a0b0c0d0e0f - - %bptr = bitcast i64* %ptr to i8* - %bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3 - %wptr = bitcast i64* %ptr to i16* - %wptr1 = getelementptr inbounds i16, i16* %wptr, i64 1 - %dptr = bitcast i64* %ptr to i32* - - ;; We should be able to merge all these stores with the i64 one above - ; value (not bytes) stored before ; 0x08090a0b0c0d0e0f - store i8 7, i8* %bptr3 ; 07 - store i16 1541, i16* %wptr1 ; 0605 - store i32 67305985, i32* %dptr ; 04030201 - ; 0x08090a0b04030201 - ret void -} - -define void @merged_merges(i64 *%ptr) { -; CHECK-LABEL: @merged_merges( -; CHECK-NEXT: entry: -; CHECK-NEXT: store i64 579005069572506113, i64* [[PTR:%.*]] -; CHECK-NEXT: ret void -; -entry: - store i64 579005069656919567, i64* %ptr ; 0x08090a0b0c0d0e0f - - %bptr = bitcast i64* %ptr to i8* - %bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3 - %wptr = bitcast i64* %ptr to i16* - %wptr1 = getelementptr inbounds i16, i16* %wptr, i64 1 - %dptr = bitcast i64* %ptr to i32* - - ;; We should be able to merge all these stores with the i64 one above - ; value (not bytes) stored before ; 0x08090a0b0c0d0e0f - store i32 67305985, i32* %dptr ; 04030201 - store i16 1541, i16* %wptr1 ; 0605 - store i8 7, i8* %bptr3 ; 07 - ; 0x08090a0b07050201 - ret void -} - -define signext i8 @shouldnt_merge_since_theres_a_full_overlap(i64 *%ptr) { -; CHECK-LABEL: @shouldnt_merge_since_theres_a_full_overlap( -; CHECK-NEXT: entry: -; CHECK-NEXT: [[BPTR:%.*]] = bitcast i64* [[PTR:%.*]] to i8* -; CHECK-NEXT: [[BPTRM1:%.*]] = getelementptr inbounds i8, i8* [[BPTR]], i64 -1 -; CHECK-NEXT: [[BPTR3:%.*]] = getelementptr inbounds i8, i8* [[BPTR]], i64 3 -; CHECK-NEXT: [[DPTR:%.*]] = bitcast i8* [[BPTRM1]] to i32* -; CHECK-NEXT: [[QPTR:%.*]] = bitcast i8* [[BPTR3]] to i64* -; CHECK-NEXT: store i32 1234, i32* [[DPTR]], align 1 -; CHECK-NEXT: store i64 5678, i64* [[QPTR]], align 1 -; CHECK-NEXT: ret i8 0 -; -entry: - - ; Also check that alias.scope metadata doesn't get dropped - store i64 0, i64* %ptr, !alias.scope !32 - - %bptr = bitcast i64* %ptr to i8* - %bptrm1 = getelementptr inbounds i8, i8* %bptr, i64 -1 - %bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3 - %dptr = bitcast i8* %bptrm1 to i32* - %qptr = bitcast i8* %bptr3 to i64* - - store i32 1234, i32* %dptr, align 1 - store i64 5678, i64* %qptr, align 1 - - ret i8 0 -} - -;; Test case from PR31777 -%union.U = type { i64 } - -define void @foo(%union.U* nocapture %u) { -; CHECK-LABEL: @foo( -; CHECK-NEXT: entry: -; CHECK-NEXT: [[I:%.*]] = getelementptr inbounds [[UNION_U:%.*]], %union.U* [[U:%.*]], i64 0, i32 0 -; CHECK-NEXT: store i64 42, i64* [[I]], align 8 -; CHECK-NEXT: ret void -; -entry: - %i = getelementptr inbounds %union.U, %union.U* %u, i64 0, i32 0 - store i64 0, i64* %i, align 8, !dbg !22, !tbaa !26, !noalias !30, !nontemporal !29 - %s = bitcast %union.U* %u to i16* - store i16 42, i16* %s, align 8 - ret void -} - -!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 5.0.0 (trunk 306512)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) -!1 = !DIFile(filename: "me.cpp", directory: "/compiler-explorer") -!2 = !{} -!7 = distinct !DISubprogram(name: "foo", linkageName: "foo(U*)", scope: !1, file: !1, line: 9, type: !8, isLocal: false, isDefinition: true, scopeLine: 9, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !20) -!8 = !DISubroutineType(types: !9) -!9 = !{null, !10} -!10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64) -!11 = distinct !DICompositeType(tag: DW_TAG_union_type, name: "U", file: !1, line: 4, size: 64, elements: !12, identifier: "typeinfo name for U") -!12 = !{!13, !17} -!13 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !11, file: !1, line: 5, baseType: !14, size: 64) -!14 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint64_t", file: !15, line: 55, baseType: !16) -!15 = !DIFile(filename: "/usr/include/stdint.h", directory: "/compiler-explorer") -!16 = !DIBasicType(name: "long unsigned int", size: 64, encoding: DW_ATE_unsigned) -!17 = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: !11, file: !1, line: 6, baseType: !18, size: 16) -!18 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint16_t", file: !15, line: 49, baseType: !19) -!19 = !DIBasicType(name: "unsigned short", size: 16, encoding: DW_ATE_unsigned) -!20 = !{!21} -!21 = !DILocalVariable(name: "u", arg: 1, scope: !7, file: !1, line: 9, type: !10) -!22 = !DILocation(line: 10, column: 8, scope: !7) - -!26 = !{!27, !27, i64 0} -!27 = !{!"omnipotent char", !28, i64 0} -!28 = !{!"Simple C++ TBAA"} - -!29 = !{i32 1} - -; Domains and scopes which might alias -!30 = !{!30} -!31 = !{!31, !30} - -!32 = !{!32} -!33 = !{!33, !32} |
