| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; Test to make sure that a new block is inserted if we |
| ; have more than 2 predecessors for the block we're going to sink to. |
| ; RUN: opt -basicaa -memdep -mldst-motion -S < %s | FileCheck %s --check-prefix=CHECK-NO |
| ; RUN: opt -debug-pass-manager -aa-pipeline=basic-aa -passes='require<memdep>,mldst-motion' -S < %s 2>&1 | FileCheck %s --check-prefixes=CHECK-NO,CHECK-INV-NO |
| ; RUN: opt -debug-pass-manager -aa-pipeline=basic-aa -passes='require<memdep>,mldst-motion<split-footer-bb>' -S < %s 2>&1 | FileCheck %s --check-prefixes=CHECK-YES,CHECK-INV-YES |
| target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" |
| |
| ; When passing split-footer-bb to MLSM, it invalidates CFG analyses |
| ; CHECK-INV-NO: Running pass: MergedLoadStoreMotionPass |
| ; CHECK-INV-NO-NOT: Invalidating analysis: DominatorTreeAnalysis |
| ; CHECK-INV-YES: Running pass: MergedLoadStoreMotionPass |
| ; CHECK-INV-YES: Invalidating analysis: DominatorTreeAnalysis |
| |
| ; Function Attrs: nounwind uwtable |
| define dso_local void @st_sink_split_bb(i32* nocapture %arg, i32* nocapture %arg1, i1 zeroext %arg2, i1 zeroext %arg3) local_unnamed_addr { |
| ; CHECK-NO-LABEL: @st_sink_split_bb( |
| ; CHECK-NO-NEXT: bb: |
| ; CHECK-NO-NEXT: br i1 [[ARG2:%.*]], label [[BB4:%.*]], label [[BB5:%.*]] |
| ; CHECK-NO: bb4: |
| ; CHECK-NO-NEXT: store i32 1, i32* [[ARG:%.*]], align 4 |
| ; CHECK-NO-NEXT: br label [[BB9:%.*]] |
| ; CHECK-NO: bb5: |
| ; CHECK-NO-NEXT: br i1 [[ARG3:%.*]], label [[BB6:%.*]], label [[BB7:%.*]] |
| ; CHECK-NO: bb6: |
| ; CHECK-NO-NEXT: store i32 2, i32* [[ARG]], align 4 |
| ; CHECK-NO-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[ARG1:%.*]], i64 1 |
| ; CHECK-NO-NEXT: store i32 3, i32* [[TMP1]], align 4 |
| ; CHECK-NO-NEXT: [[TMP:%.*]] = getelementptr inbounds i32, i32* [[ARG1]], i64 2 |
| ; CHECK-NO-NEXT: store i32 3, i32* [[TMP]], align 4 |
| ; CHECK-NO-NEXT: br label [[BB9]] |
| ; CHECK-NO: bb7: |
| ; CHECK-NO-NEXT: store i32 3, i32* [[ARG]], align 4 |
| ; CHECK-NO-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[ARG1]], i64 1 |
| ; CHECK-NO-NEXT: store i32 3, i32* [[TMP2]], align 4 |
| ; CHECK-NO-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[ARG1]], i64 2 |
| ; CHECK-NO-NEXT: store i32 3, i32* [[TMP8]], align 4 |
| ; CHECK-NO-NEXT: br label [[BB9]] |
| ; CHECK-NO: bb9: |
| ; CHECK-NO-NEXT: ret void |
| ; |
| ; CHECK-YES-LABEL: @st_sink_split_bb( |
| ; CHECK-YES-NEXT: bb: |
| ; CHECK-YES-NEXT: br i1 [[ARG2:%.*]], label [[BB4:%.*]], label [[BB5:%.*]] |
| ; CHECK-YES: bb4: |
| ; CHECK-YES-NEXT: store i32 1, i32* [[ARG:%.*]], align 4 |
| ; CHECK-YES-NEXT: br label [[BB9:%.*]] |
| ; CHECK-YES: bb5: |
| ; CHECK-YES-NEXT: br i1 [[ARG3:%.*]], label [[BB6:%.*]], label [[BB7:%.*]] |
| ; CHECK-YES: bb6: |
| ; CHECK-YES-NEXT: store i32 2, i32* [[ARG]], align 4 |
| ; CHECK-YES-NEXT: br label [[BB9_SINK_SPLIT:%.*]] |
| ; CHECK-YES: bb7: |
| ; CHECK-YES-NEXT: store i32 3, i32* [[ARG]], align 4 |
| ; CHECK-YES-NEXT: br label [[BB9_SINK_SPLIT]] |
| ; CHECK-YES: bb9.sink.split: |
| ; CHECK-YES-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[ARG1:%.*]], i64 1 |
| ; CHECK-YES-NEXT: store i32 3, i32* [[TMP0]], align 4 |
| ; CHECK-YES-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[ARG1]], i64 2 |
| ; CHECK-YES-NEXT: store i32 3, i32* [[TMP1]], align 4 |
| ; CHECK-YES-NEXT: br label [[BB9]] |
| ; CHECK-YES: bb9: |
| ; CHECK-YES-NEXT: ret void |
| ; |
| bb: |
| br i1 %arg2, label %bb4, label %bb5 |
| |
| bb4: ; preds = %bb |
| store i32 1, i32* %arg, align 4 |
| br label %bb9 |
| |
| bb5: ; preds = %bb |
| br i1 %arg3, label %bb6, label %bb7 |
| |
| bb6: ; preds = %bb5 |
| store i32 2, i32* %arg, align 4 |
| %tmp1 = getelementptr inbounds i32, i32* %arg1, i64 1 |
| store i32 3, i32* %tmp1, align 4 |
| %tmp = getelementptr inbounds i32, i32* %arg1, i64 2 |
| store i32 3, i32* %tmp, align 4 |
| br label %bb9 |
| |
| bb7: ; preds = %bb5 |
| store i32 3, i32* %arg, align 4 |
| %tmp2 = getelementptr inbounds i32, i32* %arg1, i64 1 |
| store i32 3, i32* %tmp2, align 4 |
| %tmp8 = getelementptr inbounds i32, i32* %arg1, i64 2 |
| store i32 3, i32* %tmp8, align 4 |
| br label %bb9 |
| |
| |
| bb9: ; preds = %bb7, %bb6, %bb4 |
| ret void |
| } |