28ac873bcb
The compiler should not ignore UndefValue when gathering the scalars, otherwise the resulting code may be less defined than the original one. Also, grouped scalars to insert them at first to reduce the analysis in further passes. Differential Revision: https://reviews.llvm.org/D105275
150 lines
6.7 KiB
LLVM
150 lines
6.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -basic-aa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7 | FileCheck %s
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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-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.8.0"
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; Function Attrs: nounwind ssp uwtable
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define void @RCModelEstimator() {
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; CHECK-LABEL: @RCModelEstimator(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 undef, label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END_THREAD:%.*]]
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; CHECK: for.end.thread:
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; CHECK-NEXT: unreachable
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; CHECK: for.body.lr.ph:
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; CHECK-NEXT: br i1 undef, label [[FOR_END:%.*]], label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]]
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; CHECK: for.end:
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; CHECK-NEXT: br i1 undef, label [[FOR_BODY3:%.*]], label [[IF_END103:%.*]]
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; CHECK: for.cond14.preheader:
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; CHECK-NEXT: br i1 undef, label [[FOR_BODY16_LR_PH:%.*]], label [[IF_END103]]
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; CHECK: for.body16.lr.ph:
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; CHECK-NEXT: br label [[FOR_BODY16:%.*]]
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; CHECK: for.body3:
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; CHECK-NEXT: br i1 undef, label [[IF_THEN7:%.*]], label [[FOR_INC11:%.*]]
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; CHECK: if.then7:
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; CHECK-NEXT: br label [[FOR_INC11]]
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; CHECK: for.inc11:
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; CHECK-NEXT: br i1 false, label [[FOR_COND14_PREHEADER:%.*]], label [[FOR_BODY3]]
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; CHECK: for.body16:
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; CHECK-NEXT: br i1 undef, label [[FOR_END39:%.*]], label [[FOR_BODY16]]
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; CHECK: for.end39:
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; CHECK-NEXT: br i1 undef, label [[IF_END103]], label [[FOR_COND45_PREHEADER:%.*]]
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; CHECK: for.cond45.preheader:
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; CHECK-NEXT: br i1 undef, label [[IF_THEN88:%.*]], label [[IF_ELSE:%.*]]
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; CHECK: if.then88:
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; CHECK-NEXT: br label [[IF_END103]]
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; CHECK: if.else:
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; CHECK-NEXT: br label [[IF_END103]]
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; CHECK: if.end103:
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; CHECK-NEXT: ret void
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;
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entry:
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br i1 undef, label %for.body.lr.ph, label %for.end.thread
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for.end.thread: ; preds = %entry
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unreachable
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for.body.lr.ph: ; preds = %entry
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br i1 undef, label %for.end, label %for.body
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for.body: ; preds = %for.body, %for.body.lr.ph
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br i1 undef, label %for.end, label %for.body
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for.end: ; preds = %for.body, %for.body.lr.ph
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br i1 undef, label %for.body3, label %if.end103
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for.cond14.preheader: ; preds = %for.inc11
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br i1 undef, label %for.body16.lr.ph, label %if.end103
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for.body16.lr.ph: ; preds = %for.cond14.preheader
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br label %for.body16
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for.body3: ; preds = %for.inc11, %for.end
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br i1 undef, label %if.then7, label %for.inc11
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if.then7: ; preds = %for.body3
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br label %for.inc11
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for.inc11: ; preds = %if.then7, %for.body3
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br i1 false, label %for.cond14.preheader, label %for.body3
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for.body16: ; preds = %for.body16, %for.body16.lr.ph
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br i1 undef, label %for.end39, label %for.body16
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for.end39: ; preds = %for.body16
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br i1 undef, label %if.end103, label %for.cond45.preheader
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for.cond45.preheader: ; preds = %for.end39
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br i1 undef, label %if.then88, label %if.else
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if.then88: ; preds = %for.cond45.preheader
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%mul89 = fmul double 0.000000e+00, 0.000000e+00
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%mul90 = fmul double 0.000000e+00, 0.000000e+00
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%sub91 = fsub double %mul89, %mul90
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%div92 = fdiv double %sub91, undef
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%mul94 = fmul double 0.000000e+00, 0.000000e+00
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%mul95 = fmul double 0.000000e+00, 0.000000e+00
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%sub96 = fsub double %mul94, %mul95
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%div97 = fdiv double %sub96, undef
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br label %if.end103
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if.else: ; preds = %for.cond45.preheader
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br label %if.end103
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if.end103: ; preds = %if.else, %if.then88, %for.end39, %for.cond14.preheader, %for.end
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%0 = phi double [ 0.000000e+00, %for.end39 ], [ %div97, %if.then88 ], [ 0.000000e+00, %if.else ], [ 0.000000e+00, %for.cond14.preheader ], [ 0.000000e+00, %for.end ]
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%1 = phi double [ undef, %for.end39 ], [ %div92, %if.then88 ], [ undef, %if.else ], [ 0.000000e+00, %for.cond14.preheader ], [ 0.000000e+00, %for.end ]
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ret void
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}
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define void @intrapred_luma() {
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; CHECK-LABEL: @intrapred_luma(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CONV153:%.*]] = trunc i32 undef to i16
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; CHECK-NEXT: [[ARRAYIDX154:%.*]] = getelementptr inbounds [13 x i16], [13 x i16]* undef, i64 0, i64 12
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; CHECK-NEXT: store i16 [[CONV153]], i16* [[ARRAYIDX154]], align 8
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; CHECK-NEXT: [[ARRAYIDX155:%.*]] = getelementptr inbounds [13 x i16], [13 x i16]* undef, i64 0, i64 11
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; CHECK-NEXT: store i16 [[CONV153]], i16* [[ARRAYIDX155]], align 2
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; CHECK-NEXT: [[ARRAYIDX156:%.*]] = getelementptr inbounds [13 x i16], [13 x i16]* undef, i64 0, i64 10
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; CHECK-NEXT: store i16 [[CONV153]], i16* [[ARRAYIDX156]], align 4
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; CHECK-NEXT: ret void
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;
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entry:
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%conv153 = trunc i32 undef to i16
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%arrayidx154 = getelementptr inbounds [13 x i16], [13 x i16]* undef, i64 0, i64 12
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store i16 %conv153, i16* %arrayidx154, align 8
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%arrayidx155 = getelementptr inbounds [13 x i16], [13 x i16]* undef, i64 0, i64 11
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store i16 %conv153, i16* %arrayidx155, align 2
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%arrayidx156 = getelementptr inbounds [13 x i16], [13 x i16]* undef, i64 0, i64 10
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store i16 %conv153, i16* %arrayidx156, align 4
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ret void
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}
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define fastcc void @dct36(double* %inbuf) {
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; CHECK-LABEL: @dct36(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[ARRAYIDX44:%.*]] = getelementptr inbounds double, double* [[INBUF:%.*]], i64 1
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; CHECK-NEXT: [[TMP0:%.*]] = bitcast double* [[INBUF]] to <2 x double>*
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; CHECK-NEXT: [[TMP1:%.*]] = load <2 x double>, <2 x double>* [[TMP0]], align 8
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; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x double> [[TMP1]], i32 1
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; CHECK-NEXT: [[TMP3:%.*]] = insertelement <2 x double> <double poison, double undef>, double [[TMP2]], i32 0
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; CHECK-NEXT: [[TMP4:%.*]] = fadd <2 x double> [[TMP1]], [[TMP3]]
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; CHECK-NEXT: [[TMP5:%.*]] = bitcast double* [[ARRAYIDX44]] to <2 x double>*
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; CHECK-NEXT: store <2 x double> [[TMP4]], <2 x double>* [[TMP5]], align 8
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; CHECK-NEXT: ret void
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;
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entry:
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%arrayidx41 = getelementptr inbounds double, double* %inbuf, i64 2
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%arrayidx44 = getelementptr inbounds double, double* %inbuf, i64 1
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%0 = load double, double* %arrayidx44, align 8
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%add46 = fadd double %0, undef
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store double %add46, double* %arrayidx41, align 8
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%1 = load double, double* %inbuf, align 8
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%add49 = fadd double %1, %0
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store double %add49, double* %arrayidx44, align 8
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ret void
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}
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