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llvm-project/llvm/test/CodeGen/X86/merge_store_duplicated_load...

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Add test cases for merging stores of multiply used stores llvm-svn: 296667
2017-03-02 04:18:14 +08:00
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -o - | FileCheck %s
Revert "[SDAG] Relax conditions under stores of loaded values can be merged" This reverts r302712. The change fails with ASAN enabled: ERROR: AddressSanitizer: use-after-poison on address ... at ... READ of size 2 at ... thread T0 #0 ... in llvm::SDNode::getNumValues() const <snip>/include/llvm/CodeGen/SelectionDAGNodes.h:855:42 #1 ... in llvm::SDNode::hasAnyUseOfValue(unsigned int) const <snip>/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:7270:3 #2 ... in llvm::SDValue::use_empty() const <snip> include/llvm/CodeGen/SelectionDAGNodes.h:1042:17 #3 ... in (anonymous namespace)::DAGCombiner::MergeConsecutiveStores(llvm::StoreSDNode*) <snip>/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:12944:7 Reviewers: niravd Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D33081 llvm-svn: 302746
2017-05-11 07:56:21 +08:00
Add test cases for merging stores of multiply used stores llvm-svn: 296667
2017-03-02 04:18:14 +08:00
target triple = "x86_64-unknown-linux-gnu"
define void @merge_double(double* noalias nocapture %st, double* noalias nocapture readonly %ld) #0 {
; CHECK-LABEL: merge_double:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; CHECK: # %bb.0:
Revert "[SDAG] Relax conditions under stores of loaded values can be merged" This reverts r302712. The change fails with ASAN enabled: ERROR: AddressSanitizer: use-after-poison on address ... at ... READ of size 2 at ... thread T0 #0 ... in llvm::SDNode::getNumValues() const <snip>/include/llvm/CodeGen/SelectionDAGNodes.h:855:42 #1 ... in llvm::SDNode::hasAnyUseOfValue(unsigned int) const <snip>/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:7270:3 #2 ... in llvm::SDValue::use_empty() const <snip> include/llvm/CodeGen/SelectionDAGNodes.h:1042:17 #3 ... in (anonymous namespace)::DAGCombiner::MergeConsecutiveStores(llvm::StoreSDNode*) <snip>/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:12944:7 Reviewers: niravd Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D33081 llvm-svn: 302746
2017-05-11 07:56:21 +08:00
; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
; CHECK-NEXT: movsd {{.*#+}} xmm1 = mem[0],zero
; CHECK-NEXT: movsd %xmm0, (%rdi)
; CHECK-NEXT: movsd %xmm1, 8(%rdi)
; CHECK-NEXT: movsd %xmm0, 16(%rdi)
; CHECK-NEXT: movsd %xmm1, 24(%rdi)
Add test cases for merging stores of multiply used stores llvm-svn: 296667
2017-03-02 04:18:14 +08:00
; CHECK-NEXT: retq
%ld_idx1 = getelementptr inbounds double, double* %ld, i64 1
%ld0 = load double, double* %ld, align 8, !tbaa !2
%ld1 = load double, double* %ld_idx1, align 8, !tbaa !2
%st_idx1 = getelementptr inbounds double, double* %st, i64 1
%st_idx2 = getelementptr inbounds double, double* %st, i64 2
%st_idx3 = getelementptr inbounds double, double* %st, i64 3
store double %ld0, double* %st, align 8, !tbaa !2
store double %ld1, double* %st_idx1, align 8, !tbaa !2
store double %ld0, double* %st_idx2, align 8, !tbaa !2
store double %ld1, double* %st_idx3, align 8, !tbaa !2
ret void
}
define void @merge_loadstore_int(i64* noalias nocapture readonly %p, i64* noalias nocapture %q) local_unnamed_addr #0 {
; CHECK-LABEL: merge_loadstore_int:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; CHECK: # %bb.0: # %entry
Revert "[SDAG] Relax conditions under stores of loaded values can be merged" This reverts r302712. The change fails with ASAN enabled: ERROR: AddressSanitizer: use-after-poison on address ... at ... READ of size 2 at ... thread T0 #0 ... in llvm::SDNode::getNumValues() const <snip>/include/llvm/CodeGen/SelectionDAGNodes.h:855:42 #1 ... in llvm::SDNode::hasAnyUseOfValue(unsigned int) const <snip>/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:7270:3 #2 ... in llvm::SDValue::use_empty() const <snip> include/llvm/CodeGen/SelectionDAGNodes.h:1042:17 #3 ... in (anonymous namespace)::DAGCombiner::MergeConsecutiveStores(llvm::StoreSDNode*) <snip>/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:12944:7 Reviewers: niravd Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D33081 llvm-svn: 302746
2017-05-11 07:56:21 +08:00
; CHECK-NEXT: movq (%rdi), %rax
; CHECK-NEXT: movq 8(%rdi), %rcx
; CHECK-NEXT: movq %rax, (%rsi)
; CHECK-NEXT: movq %rcx, 8(%rsi)
; CHECK-NEXT: movq %rax, 16(%rsi)
; CHECK-NEXT: movq %rcx, 24(%rsi)
Add test cases for merging stores of multiply used stores llvm-svn: 296667
2017-03-02 04:18:14 +08:00
; CHECK-NEXT: retq
entry:
%0 = load i64, i64* %p, align 8, !tbaa !1
%arrayidx1 = getelementptr inbounds i64, i64* %p, i64 1
%1 = load i64, i64* %arrayidx1, align 8, !tbaa !1
store i64 %0, i64* %q, align 8, !tbaa !1
%arrayidx3 = getelementptr inbounds i64, i64* %q, i64 1
store i64 %1, i64* %arrayidx3, align 8, !tbaa !1
%arrayidx4 = getelementptr inbounds i64, i64* %q, i64 2
store i64 %0, i64* %arrayidx4, align 8, !tbaa !1
%arrayidx5 = getelementptr inbounds i64, i64* %q, i64 3
store i64 %1, i64* %arrayidx5, align 8, !tbaa !1
ret void
}
define i64 @merge_loadstore_int_with_extra_use(i64* noalias nocapture readonly %p, i64* noalias nocapture %q) local_unnamed_addr #0 {
; CHECK-LABEL: merge_loadstore_int_with_extra_use:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; CHECK: # %bb.0: # %entry
Add test cases for merging stores of multiply used stores llvm-svn: 296667
2017-03-02 04:18:14 +08:00
; CHECK-NEXT: movq (%rdi), %rax
Revert "[SDAG] Relax conditions under stores of loaded values can be merged" This reverts r302712. The change fails with ASAN enabled: ERROR: AddressSanitizer: use-after-poison on address ... at ... READ of size 2 at ... thread T0 #0 ... in llvm::SDNode::getNumValues() const <snip>/include/llvm/CodeGen/SelectionDAGNodes.h:855:42 #1 ... in llvm::SDNode::hasAnyUseOfValue(unsigned int) const <snip>/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:7270:3 #2 ... in llvm::SDValue::use_empty() const <snip> include/llvm/CodeGen/SelectionDAGNodes.h:1042:17 #3 ... in (anonymous namespace)::DAGCombiner::MergeConsecutiveStores(llvm::StoreSDNode*) <snip>/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:12944:7 Reviewers: niravd Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D33081 llvm-svn: 302746
2017-05-11 07:56:21 +08:00
; CHECK-NEXT: movq 8(%rdi), %rcx
; CHECK-NEXT: movq %rax, (%rsi)
; CHECK-NEXT: movq %rcx, 8(%rsi)
; CHECK-NEXT: movq %rax, 16(%rsi)
; CHECK-NEXT: movq %rcx, 24(%rsi)
Add test cases for merging stores of multiply used stores llvm-svn: 296667
2017-03-02 04:18:14 +08:00
; CHECK-NEXT: retq
entry:
%0 = load i64, i64* %p, align 8, !tbaa !1
%arrayidx1 = getelementptr inbounds i64, i64* %p, i64 1
%1 = load i64, i64* %arrayidx1, align 8, !tbaa !1
store i64 %0, i64* %q, align 8, !tbaa !1
%arrayidx3 = getelementptr inbounds i64, i64* %q, i64 1
store i64 %1, i64* %arrayidx3, align 8, !tbaa !1
%arrayidx4 = getelementptr inbounds i64, i64* %q, i64 2
store i64 %0, i64* %arrayidx4, align 8, !tbaa !1
%arrayidx5 = getelementptr inbounds i64, i64* %q, i64 3
store i64 %1, i64* %arrayidx5, align 8, !tbaa !1
ret i64 %0
}
attributes #0 = { "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" }
!0 = !{!"clang version 5.0.0 (trunk 296467) (llvm/trunk 296476)"}
!1 = !{!2, !2, i64 0}
!2 = !{!"double", !3, i64 0}
!3 = !{!"omnipotent char", !4, i64 0}
!4 = !{!"Simple C/C++ TBAA"}