[llvm-branch-commits] [llvm] 36bf1a9 - [NFC][PhaseOrdering] Precommit tests from D119965
Tom Stellard via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Mon Mar 7 21:02:52 PST 2022
Author: William S. Moses
Date: 2022-03-07T21:02:28-08:00
New Revision: 36bf1a9e628dd086537ec14db3fcf4feed1393e9
URL: https://github.com/llvm/llvm-project/commit/36bf1a9e628dd086537ec14db3fcf4feed1393e9
DIFF: https://github.com/llvm/llvm-project/commit/36bf1a9e628dd086537ec14db3fcf4feed1393e9.diff
LOG: [NFC][PhaseOrdering] Precommit tests from D119965
(cherry picked from commit 73ee82871e60ab87af7a722ef089ede17e97ea9f)
Added:
llvm/test/Transforms/PhaseOrdering/X86/speculation-vs-tbaa.ll
Modified:
Removed:
################################################################################
diff --git a/llvm/test/Transforms/PhaseOrdering/X86/speculation-vs-tbaa.ll b/llvm/test/Transforms/PhaseOrdering/X86/speculation-vs-tbaa.ll
new file mode 100644
index 0000000000000..6b349b57e5faa
--- /dev/null
+++ b/llvm/test/Transforms/PhaseOrdering/X86/speculation-vs-tbaa.ll
@@ -0,0 +1,228 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -O1 -S -enable-new-pm=0 < %s | FileCheck --check-prefixes=OLDPM_O1 %s
+; RUN: opt -O2 -S -enable-new-pm=0 < %s | FileCheck --check-prefixes=OLDPM_O2 %s
+; RUN: opt -O3 -S -enable-new-pm=0 < %s | FileCheck --check-prefixes=OLDPM_O3 %s
+; RUN: opt -passes='default<O1>' -S < %s | FileCheck --check-prefixes=NEWPM_O1 %s
+; RUN: opt -passes='default<O2>' -S < %s | FileCheck --check-prefixes=NEWPM_O2 %s
+; RUN: opt -passes='default<O3>' -S < %s | FileCheck --check-prefixes=NEWPM_O3 %s
+
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+; We should retain the TBAA on the load here, not lose it.
+
+define void @licm(double** align 8 dereferenceable(8) %_M_start.i, i64 %numElem) {
+; OLDPM_O1-LABEL: @licm(
+; OLDPM_O1-NEXT: entry:
+; OLDPM_O1-NEXT: [[TMP0:%.*]] = load double*, double** [[_M_START_I:%.*]], align 8
+; OLDPM_O1-NEXT: [[CMP1_NOT:%.*]] = icmp eq i64 [[NUMELEM:%.*]], 0
+; OLDPM_O1-NEXT: br i1 [[CMP1_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY:%.*]]
+; OLDPM_O1: for.body:
+; OLDPM_O1-NEXT: [[K_02:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
+; OLDPM_O1-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds double, double* [[TMP0]], i64 [[K_02]]
+; OLDPM_O1-NEXT: store double 2.000000e+00, double* [[ADD_PTR_I]], align 8, !tbaa [[TBAA3:![0-9]+]]
+; OLDPM_O1-NEXT: [[INC]] = add nuw i64 [[K_02]], 1
+; OLDPM_O1-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[NUMELEM]]
+; OLDPM_O1-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]]
+; OLDPM_O1: for.cond.cleanup:
+; OLDPM_O1-NEXT: ret void
+;
+; OLDPM_O2-LABEL: @licm(
+; OLDPM_O2-NEXT: entry:
+; OLDPM_O2-NEXT: [[TMP0:%.*]] = load double*, double** [[_M_START_I:%.*]], align 8
+; OLDPM_O2-NEXT: [[CMP1_NOT:%.*]] = icmp eq i64 [[NUMELEM:%.*]], 0
+; OLDPM_O2-NEXT: br i1 [[CMP1_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]]
+; OLDPM_O2: for.body.preheader:
+; OLDPM_O2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[NUMELEM]], 4
+; OLDPM_O2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY_PREHEADER3:%.*]], label [[VECTOR_PH:%.*]]
+; OLDPM_O2: vector.ph:
+; OLDPM_O2-NEXT: [[N_VEC:%.*]] = and i64 [[NUMELEM]], -4
+; OLDPM_O2-NEXT: br label [[VECTOR_BODY:%.*]]
+; OLDPM_O2: vector.body:
+; OLDPM_O2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
+; OLDPM_O2-NEXT: [[TMP1:%.*]] = getelementptr inbounds double, double* [[TMP0]], i64 [[INDEX]]
+; OLDPM_O2-NEXT: [[TMP2:%.*]] = bitcast double* [[TMP1]] to <2 x double>*
+; OLDPM_O2-NEXT: store <2 x double> <double 2.000000e+00, double 2.000000e+00>, <2 x double>* [[TMP2]], align 8, !tbaa [[TBAA3:![0-9]+]]
+; OLDPM_O2-NEXT: [[TMP3:%.*]] = getelementptr inbounds double, double* [[TMP1]], i64 2
+; OLDPM_O2-NEXT: [[TMP4:%.*]] = bitcast double* [[TMP3]] to <2 x double>*
+; OLDPM_O2-NEXT: store <2 x double> <double 2.000000e+00, double 2.000000e+00>, <2 x double>* [[TMP4]], align 8, !tbaa [[TBAA3]]
+; OLDPM_O2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
+; OLDPM_O2-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; OLDPM_O2-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
+; OLDPM_O2: middle.block:
+; OLDPM_O2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[NUMELEM]]
+; OLDPM_O2-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY_PREHEADER3]]
+; OLDPM_O2: for.body.preheader3:
+; OLDPM_O2-NEXT: [[K_02_PH:%.*]] = phi i64 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ]
+; OLDPM_O2-NEXT: br label [[FOR_BODY:%.*]]
+; OLDPM_O2: for.body:
+; OLDPM_O2-NEXT: [[K_02:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[K_02_PH]], [[FOR_BODY_PREHEADER3]] ]
+; OLDPM_O2-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds double, double* [[TMP0]], i64 [[K_02]]
+; OLDPM_O2-NEXT: store double 2.000000e+00, double* [[ADD_PTR_I]], align 8, !tbaa [[TBAA3]]
+; OLDPM_O2-NEXT: [[INC]] = add nuw i64 [[K_02]], 1
+; OLDPM_O2-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[NUMELEM]]
+; OLDPM_O2-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
+; OLDPM_O2: for.cond.cleanup:
+; OLDPM_O2-NEXT: ret void
+;
+; OLDPM_O3-LABEL: @licm(
+; OLDPM_O3-NEXT: entry:
+; OLDPM_O3-NEXT: [[TMP0:%.*]] = load double*, double** [[_M_START_I:%.*]], align 8
+; OLDPM_O3-NEXT: [[CMP1_NOT:%.*]] = icmp eq i64 [[NUMELEM:%.*]], 0
+; OLDPM_O3-NEXT: br i1 [[CMP1_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]]
+; OLDPM_O3: for.body.preheader:
+; OLDPM_O3-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[NUMELEM]], 4
+; OLDPM_O3-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY_PREHEADER3:%.*]], label [[VECTOR_PH:%.*]]
+; OLDPM_O3: vector.ph:
+; OLDPM_O3-NEXT: [[N_VEC:%.*]] = and i64 [[NUMELEM]], -4
+; OLDPM_O3-NEXT: br label [[VECTOR_BODY:%.*]]
+; OLDPM_O3: vector.body:
+; OLDPM_O3-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
+; OLDPM_O3-NEXT: [[TMP1:%.*]] = getelementptr inbounds double, double* [[TMP0]], i64 [[INDEX]]
+; OLDPM_O3-NEXT: [[TMP2:%.*]] = bitcast double* [[TMP1]] to <2 x double>*
+; OLDPM_O3-NEXT: store <2 x double> <double 2.000000e+00, double 2.000000e+00>, <2 x double>* [[TMP2]], align 8, !tbaa [[TBAA3:![0-9]+]]
+; OLDPM_O3-NEXT: [[TMP3:%.*]] = getelementptr inbounds double, double* [[TMP1]], i64 2
+; OLDPM_O3-NEXT: [[TMP4:%.*]] = bitcast double* [[TMP3]] to <2 x double>*
+; OLDPM_O3-NEXT: store <2 x double> <double 2.000000e+00, double 2.000000e+00>, <2 x double>* [[TMP4]], align 8, !tbaa [[TBAA3]]
+; OLDPM_O3-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
+; OLDPM_O3-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; OLDPM_O3-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
+; OLDPM_O3: middle.block:
+; OLDPM_O3-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[NUMELEM]]
+; OLDPM_O3-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY_PREHEADER3]]
+; OLDPM_O3: for.body.preheader3:
+; OLDPM_O3-NEXT: [[K_02_PH:%.*]] = phi i64 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ]
+; OLDPM_O3-NEXT: br label [[FOR_BODY:%.*]]
+; OLDPM_O3: for.body:
+; OLDPM_O3-NEXT: [[K_02:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[K_02_PH]], [[FOR_BODY_PREHEADER3]] ]
+; OLDPM_O3-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds double, double* [[TMP0]], i64 [[K_02]]
+; OLDPM_O3-NEXT: store double 2.000000e+00, double* [[ADD_PTR_I]], align 8, !tbaa [[TBAA3]]
+; OLDPM_O3-NEXT: [[INC]] = add nuw i64 [[K_02]], 1
+; OLDPM_O3-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[NUMELEM]]
+; OLDPM_O3-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
+; OLDPM_O3: for.cond.cleanup:
+; OLDPM_O3-NEXT: ret void
+;
+; NEWPM_O1-LABEL: @licm(
+; NEWPM_O1-NEXT: entry:
+; NEWPM_O1-NEXT: [[TMP0:%.*]] = load double*, double** [[_M_START_I:%.*]], align 8
+; NEWPM_O1-NEXT: [[CMP1_NOT:%.*]] = icmp eq i64 [[NUMELEM:%.*]], 0
+; NEWPM_O1-NEXT: br i1 [[CMP1_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY:%.*]]
+; NEWPM_O1: for.body:
+; NEWPM_O1-NEXT: [[K_02:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
+; NEWPM_O1-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds double, double* [[TMP0]], i64 [[K_02]]
+; NEWPM_O1-NEXT: store double 2.000000e+00, double* [[ADD_PTR_I]], align 8, !tbaa [[TBAA3:![0-9]+]]
+; NEWPM_O1-NEXT: [[INC]] = add nuw i64 [[K_02]], 1
+; NEWPM_O1-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[NUMELEM]]
+; NEWPM_O1-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]]
+; NEWPM_O1: for.cond.cleanup:
+; NEWPM_O1-NEXT: ret void
+;
+; NEWPM_O2-LABEL: @licm(
+; NEWPM_O2-NEXT: entry:
+; NEWPM_O2-NEXT: [[TMP0:%.*]] = load double*, double** [[_M_START_I:%.*]], align 8
+; NEWPM_O2-NEXT: [[CMP1_NOT:%.*]] = icmp eq i64 [[NUMELEM:%.*]], 0
+; NEWPM_O2-NEXT: br i1 [[CMP1_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]]
+; NEWPM_O2: for.body.preheader:
+; NEWPM_O2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[NUMELEM]], 4
+; NEWPM_O2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY_PREHEADER3:%.*]], label [[VECTOR_PH:%.*]]
+; NEWPM_O2: vector.ph:
+; NEWPM_O2-NEXT: [[N_VEC:%.*]] = and i64 [[NUMELEM]], -4
+; NEWPM_O2-NEXT: br label [[VECTOR_BODY:%.*]]
+; NEWPM_O2: vector.body:
+; NEWPM_O2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
+; NEWPM_O2-NEXT: [[TMP1:%.*]] = getelementptr inbounds double, double* [[TMP0]], i64 [[INDEX]]
+; NEWPM_O2-NEXT: [[TMP2:%.*]] = bitcast double* [[TMP1]] to <2 x double>*
+; NEWPM_O2-NEXT: store <2 x double> <double 2.000000e+00, double 2.000000e+00>, <2 x double>* [[TMP2]], align 8, !tbaa [[TBAA3:![0-9]+]]
+; NEWPM_O2-NEXT: [[TMP3:%.*]] = getelementptr inbounds double, double* [[TMP1]], i64 2
+; NEWPM_O2-NEXT: [[TMP4:%.*]] = bitcast double* [[TMP3]] to <2 x double>*
+; NEWPM_O2-NEXT: store <2 x double> <double 2.000000e+00, double 2.000000e+00>, <2 x double>* [[TMP4]], align 8, !tbaa [[TBAA3]]
+; NEWPM_O2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
+; NEWPM_O2-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; NEWPM_O2-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
+; NEWPM_O2: middle.block:
+; NEWPM_O2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[NUMELEM]]
+; NEWPM_O2-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY_PREHEADER3]]
+; NEWPM_O2: for.body.preheader3:
+; NEWPM_O2-NEXT: [[K_02_PH:%.*]] = phi i64 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ]
+; NEWPM_O2-NEXT: br label [[FOR_BODY:%.*]]
+; NEWPM_O2: for.body:
+; NEWPM_O2-NEXT: [[K_02:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[K_02_PH]], [[FOR_BODY_PREHEADER3]] ]
+; NEWPM_O2-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds double, double* [[TMP0]], i64 [[K_02]]
+; NEWPM_O2-NEXT: store double 2.000000e+00, double* [[ADD_PTR_I]], align 8, !tbaa [[TBAA3]]
+; NEWPM_O2-NEXT: [[INC]] = add nuw i64 [[K_02]], 1
+; NEWPM_O2-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[NUMELEM]]
+; NEWPM_O2-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
+; NEWPM_O2: for.cond.cleanup:
+; NEWPM_O2-NEXT: ret void
+;
+; NEWPM_O3-LABEL: @licm(
+; NEWPM_O3-NEXT: entry:
+; NEWPM_O3-NEXT: [[TMP0:%.*]] = load double*, double** [[_M_START_I:%.*]], align 8
+; NEWPM_O3-NEXT: [[CMP1_NOT:%.*]] = icmp eq i64 [[NUMELEM:%.*]], 0
+; NEWPM_O3-NEXT: br i1 [[CMP1_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]]
+; NEWPM_O3: for.body.preheader:
+; NEWPM_O3-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[NUMELEM]], 4
+; NEWPM_O3-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY_PREHEADER3:%.*]], label [[VECTOR_PH:%.*]]
+; NEWPM_O3: vector.ph:
+; NEWPM_O3-NEXT: [[N_VEC:%.*]] = and i64 [[NUMELEM]], -4
+; NEWPM_O3-NEXT: br label [[VECTOR_BODY:%.*]]
+; NEWPM_O3: vector.body:
+; NEWPM_O3-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
+; NEWPM_O3-NEXT: [[TMP1:%.*]] = getelementptr inbounds double, double* [[TMP0]], i64 [[INDEX]]
+; NEWPM_O3-NEXT: [[TMP2:%.*]] = bitcast double* [[TMP1]] to <2 x double>*
+; NEWPM_O3-NEXT: store <2 x double> <double 2.000000e+00, double 2.000000e+00>, <2 x double>* [[TMP2]], align 8, !tbaa [[TBAA3:![0-9]+]]
+; NEWPM_O3-NEXT: [[TMP3:%.*]] = getelementptr inbounds double, double* [[TMP1]], i64 2
+; NEWPM_O3-NEXT: [[TMP4:%.*]] = bitcast double* [[TMP3]] to <2 x double>*
+; NEWPM_O3-NEXT: store <2 x double> <double 2.000000e+00, double 2.000000e+00>, <2 x double>* [[TMP4]], align 8, !tbaa [[TBAA3]]
+; NEWPM_O3-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
+; NEWPM_O3-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; NEWPM_O3-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
+; NEWPM_O3: middle.block:
+; NEWPM_O3-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[NUMELEM]]
+; NEWPM_O3-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY_PREHEADER3]]
+; NEWPM_O3: for.body.preheader3:
+; NEWPM_O3-NEXT: [[K_02_PH:%.*]] = phi i64 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ]
+; NEWPM_O3-NEXT: br label [[FOR_BODY:%.*]]
+; NEWPM_O3: for.body:
+; NEWPM_O3-NEXT: [[K_02:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[K_02_PH]], [[FOR_BODY_PREHEADER3]] ]
+; NEWPM_O3-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds double, double* [[TMP0]], i64 [[K_02]]
+; NEWPM_O3-NEXT: store double 2.000000e+00, double* [[ADD_PTR_I]], align 8, !tbaa [[TBAA3]]
+; NEWPM_O3-NEXT: [[INC]] = add nuw i64 [[K_02]], 1
+; NEWPM_O3-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[NUMELEM]]
+; NEWPM_O3-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
+; NEWPM_O3: for.cond.cleanup:
+; NEWPM_O3-NEXT: ret void
+;
+entry:
+ br label %for.cond
+
+for.cond: ; preds = %for.body, %entry
+ %k.0 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
+ %cmp = icmp ult i64 %k.0, %numElem
+ br i1 %cmp, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %for.cond
+ %0 = load double*, double** %_M_start.i, align 8, !tbaa !3
+ %add.ptr.i = getelementptr inbounds double, double* %0, i64 %k.0
+ store double 2.000000e+00, double* %add.ptr.i, align 8, !tbaa !8
+ %inc = add nuw i64 %k.0, 1
+ br label %for.cond
+
+for.cond.cleanup: ; preds = %for.cond
+ ret void
+}
+
+!llvm.module.flags = !{!0, !1}
+!llvm.ident = !{!2}
+
+!0 = !{i32 1, !"wchar_size", i32 4}
+!1 = !{i32 7, !"uwtable", i32 1}
+!2 = !{!"clang version 15.0.0 (https://github.com/llvm/llvm-project.git fc510998f7c287df2bc1304673e0cd8452d50b31)"}
+!3 = !{!4, !5, i64 0}
+!4 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !5, i64 0, !5, i64 8, !5, i64 16}
+!5 = !{!"any pointer", !6, i64 0}
+!6 = !{!"omnipotent char", !7, i64 0}
+!7 = !{!"Simple C++ TBAA"}
+!8 = !{!9, !9, i64 0}
+!9 = !{!"double", !6, i64 0}
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