From: Mikael Holmen Date: Mon, 12 Jun 2023 12:06:35 +0000 (+0200) Subject: [test][SLPVectorizer] Precommit testcase showing debug info affects codegen X-Git-Tag: upstream/17.0.6~5295 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6afe9f3985bf340200746b3346aabee26905782c;p=platform%2Fupstream%2Fllvm.git [test][SLPVectorizer] Precommit testcase showing debug info affects codegen Differential Revision: https://reviews.llvm.org/D152705 --- diff --git a/llvm/test/Transforms/SLPVectorizer/X86/schedule_budget_debug_info.ll b/llvm/test/Transforms/SLPVectorizer/X86/schedule_budget_debug_info.ll new file mode 100644 index 0000000..9ec2c38 --- /dev/null +++ b/llvm/test/Transforms/SLPVectorizer/X86/schedule_budget_debug_info.ll @@ -0,0 +1,194 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt < %s -passes=slp-vectorizer -S -slp-schedule-budget=3 -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s -check-prefix VECTOR_DBG +; RUN: opt < %s -strip-debug -passes=slp-vectorizer -S -slp-schedule-budget=3 -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s -check-prefix VECTOR_NODBG + +target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-apple-macosx10.9.0" + +; FIXME: Currently we get different code in the two cases, i.e. debug info +; affects codegen! + +; Verify that we get vectorization with -slp-schedule-budget=3. We should +; get vectorization even if there happens to be some dbg.value calls since they +; should be ignored, to not let debug information affect the code we get. + +declare void @unknown() + +define void @test(ptr %a, ptr %b, ptr %c, ptr %d) { +; VECTOR_DBG-LABEL: @test( +; VECTOR_DBG-NEXT: entry: +; VECTOR_DBG-NEXT: [[L0:%.*]] = load float, ptr [[A:%.*]], align 4 +; VECTOR_DBG-NEXT: [[A1:%.*]] = getelementptr inbounds float, ptr [[A]], i64 1 +; VECTOR_DBG-NEXT: [[L1:%.*]] = load float, ptr [[A1]], align 4 +; VECTOR_DBG-NEXT: [[A2:%.*]] = getelementptr inbounds float, ptr [[A]], i64 2 +; VECTOR_DBG-NEXT: call void @llvm.dbg.value(metadata i16 1, metadata [[META3:![0-9]+]], metadata !DIExpression()), !dbg [[DBG5:![0-9]+]] +; VECTOR_DBG-NEXT: call void @llvm.dbg.value(metadata i16 1, metadata [[META3]], metadata !DIExpression()), !dbg [[DBG5]] +; VECTOR_DBG-NEXT: call void @llvm.dbg.value(metadata i16 1, metadata [[META3]], metadata !DIExpression()), !dbg [[DBG5]] +; VECTOR_DBG-NEXT: call void @llvm.dbg.value(metadata i16 1, metadata [[META3]], metadata !DIExpression()), !dbg [[DBG5]] +; VECTOR_DBG-NEXT: call void @llvm.dbg.value(metadata i16 1, metadata [[META3]], metadata !DIExpression()), !dbg [[DBG5]] +; VECTOR_DBG-NEXT: call void @llvm.dbg.value(metadata i16 1, metadata [[META3]], metadata !DIExpression()), !dbg [[DBG5]] +; VECTOR_DBG-NEXT: call void @llvm.dbg.value(metadata i16 1, metadata [[META3]], metadata !DIExpression()), !dbg [[DBG5]] +; VECTOR_DBG-NEXT: call void @llvm.dbg.value(metadata i16 1, metadata [[META3]], metadata !DIExpression()), !dbg [[DBG5]] +; VECTOR_DBG-NEXT: [[B1:%.*]] = getelementptr inbounds float, ptr [[B:%.*]], i64 1 +; VECTOR_DBG-NEXT: [[B2:%.*]] = getelementptr inbounds float, ptr [[B]], i64 2 +; VECTOR_DBG-NEXT: [[TMP0:%.*]] = load <2 x float>, ptr [[A2]], align 4 +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: call void @unknown() +; VECTOR_DBG-NEXT: store float [[L0]], ptr [[B]], align 4 +; VECTOR_DBG-NEXT: store float [[L1]], ptr [[B1]], align 4 +; VECTOR_DBG-NEXT: store <2 x float> [[TMP0]], ptr [[B2]], align 4 +; VECTOR_DBG-NEXT: [[TMP1:%.*]] = load <4 x float>, ptr [[C:%.*]], align 4 +; VECTOR_DBG-NEXT: store <4 x float> [[TMP1]], ptr [[D:%.*]], align 4 +; VECTOR_DBG-NEXT: ret void +; +; VECTOR_NODBG-LABEL: @test( +; VECTOR_NODBG-NEXT: entry: +; VECTOR_NODBG-NEXT: [[TMP0:%.*]] = load <4 x float>, ptr [[A:%.*]], align 4 +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: call void @unknown() +; VECTOR_NODBG-NEXT: store <4 x float> [[TMP0]], ptr [[B:%.*]], align 4 +; VECTOR_NODBG-NEXT: [[TMP1:%.*]] = load <4 x float>, ptr [[C:%.*]], align 4 +; VECTOR_NODBG-NEXT: store <4 x float> [[TMP1]], ptr [[D:%.*]], align 4 +; VECTOR_NODBG-NEXT: ret void +; +entry: + %l0 = load float, ptr %a + %a1 = getelementptr inbounds float, ptr %a, i64 1 + %l1 = load float, ptr %a1 + %a2 = getelementptr inbounds float, ptr %a, i64 2 + %l2 = load float, ptr %a2 + %a3 = getelementptr inbounds float, ptr %a, i64 3 + %l3 = load float, ptr %a3 + + ; some unrelated instructions inbetween to enlarge the scheduling region + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + call void @unknown() + + ; The dbg.values should not affect vectorization. + call void @llvm.dbg.value(metadata i16 1, metadata !3, metadata !DIExpression()), !dbg !5 + call void @llvm.dbg.value(metadata i16 1, metadata !3, metadata !DIExpression()), !dbg !5 + call void @llvm.dbg.value(metadata i16 1, metadata !3, metadata !DIExpression()), !dbg !5 + call void @llvm.dbg.value(metadata i16 1, metadata !3, metadata !DIExpression()), !dbg !5 + + store float %l0, ptr %b + + ; The dbg.values should not affect vectorization. + call void @llvm.dbg.value(metadata i16 1, metadata !3, metadata !DIExpression()), !dbg !5 + call void @llvm.dbg.value(metadata i16 1, metadata !3, metadata !DIExpression()), !dbg !5 + call void @llvm.dbg.value(metadata i16 1, metadata !3, metadata !DIExpression()), !dbg !5 + call void @llvm.dbg.value(metadata i16 1, metadata !3, metadata !DIExpression()), !dbg !5 + %b1 = getelementptr inbounds float, ptr %b, i64 1 + store float %l1, ptr %b1 + %b2 = getelementptr inbounds float, ptr %b, i64 2 + store float %l2, ptr %b2 + %b3 = getelementptr inbounds float, ptr %b, i64 3 + store float %l3, ptr %b3 + + %l4 = load float, ptr %c + %c1 = getelementptr inbounds float, ptr %c, i64 1 + %l5 = load float, ptr %c1 + %c2 = getelementptr inbounds float, ptr %c, i64 2 + %l6 = load float, ptr %c2 + %c3 = getelementptr inbounds float, ptr %c, i64 3 + %l7 = load float, ptr %c3 + + store float %l4, ptr %d + %d1 = getelementptr inbounds float, ptr %d, i64 1 + store float %l5, ptr %d1 + %d2 = getelementptr inbounds float, ptr %d, i64 2 + store float %l6, ptr %d2 + %d3 = getelementptr inbounds float, ptr %d, i64 3 + store float %l7, ptr %d3 + + ret void +} + +declare void @llvm.dbg.value(metadata, metadata, metadata) + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!2} + +!0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1) +!1 = !DIFile(filename: "foo.c", directory: "/") +!2 = !{i32 2, !"Debug Info Version", i32 3} +!3 = !DILocalVariable(scope: !4) +!4 = distinct !DISubprogram(unit: !0) +!5 = !DILocation(scope: !4)