mirror of
https://github.com/RPCS3/llvm.git
synced 2026-07-24 12:15:51 -04:00
Teresa Johnson
9d923b35aa
This still breaks PPC tests we have. I'll forward reproduction instructions to dehao. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@306936 91177308-0d34-0410-b5e6-96231b3b80d8
172 lines
5.6 KiB
LLVM
172 lines
5.6 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -dce -instcombine -S | FileCheck %s
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target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64--linux-gnu"
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; CHECK-LABEL: @reduction_i8
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;
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; char reduction_i8(char *a, char *b, int n) {
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; char sum = 0;
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; for (int i = 0; i < n; ++i)
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; sum += (a[i] + b[i]);
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; return sum;
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; }
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;
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; CHECK: vector.body:
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; CHECK: phi <16 x i8>
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; CHECK: load <16 x i8>
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; CHECK: load <16 x i8>
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; CHECK: add <16 x i8>
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; CHECK: add <16 x i8>
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;
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; CHECK: middle.block:
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; CHECK: [[Rdx:%[a-zA-Z0-9.]+]] = call i8 @llvm.experimental.vector.reduce.add.i8.v16i8(<16 x i8>
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; CHECK: zext i8 [[Rdx]] to i32
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;
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define i8 @reduction_i8(i8* nocapture readonly %a, i8* nocapture readonly %b, i32 %n) {
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entry:
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%cmp.12 = icmp sgt i32 %n, 0
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br i1 %cmp.12, label %for.body.preheader, label %for.cond.cleanup
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for.body.preheader:
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br label %for.body
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for.cond.for.cond.cleanup_crit_edge:
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%add5.lcssa = phi i32 [ %add5, %for.body ]
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%conv6 = trunc i32 %add5.lcssa to i8
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br label %for.cond.cleanup
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for.cond.cleanup:
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%sum.0.lcssa = phi i8 [ %conv6, %for.cond.for.cond.cleanup_crit_edge ], [ 0, %entry ]
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ret i8 %sum.0.lcssa
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for.body:
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
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%sum.013 = phi i32 [ %add5, %for.body ], [ 0, %for.body.preheader ]
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%arrayidx = getelementptr inbounds i8, i8* %a, i64 %indvars.iv
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%0 = load i8, i8* %arrayidx, align 1
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%conv = zext i8 %0 to i32
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%arrayidx2 = getelementptr inbounds i8, i8* %b, i64 %indvars.iv
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%1 = load i8, i8* %arrayidx2, align 1
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%conv3 = zext i8 %1 to i32
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%conv4 = and i32 %sum.013, 255
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%add = add nuw nsw i32 %conv, %conv4
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%add5 = add nuw nsw i32 %add, %conv3
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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br i1 %exitcond, label %for.cond.for.cond.cleanup_crit_edge, label %for.body
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}
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; CHECK-LABEL: @reduction_i16_1
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;
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; short reduction_i16_1(short *a, short *b, int n) {
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; short sum = 0;
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; for (int i = 0; i < n; ++i)
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; sum += (a[i] + b[i]);
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; return sum;
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; }
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;
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; CHECK: vector.body:
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; CHECK: phi <8 x i16>
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; CHECK: load <8 x i16>
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; CHECK: load <8 x i16>
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; CHECK: add <8 x i16>
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; CHECK: add <8 x i16>
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;
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; CHECK: middle.block:
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; CHECK: [[Rdx:%[a-zA-Z0-9.]+]] = call i16 @llvm.experimental.vector.reduce.add.i16.v8i16(<8 x i16>
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; CHECK: zext i16 [[Rdx]] to i32
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;
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define i16 @reduction_i16_1(i16* nocapture readonly %a, i16* nocapture readonly %b, i32 %n) {
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entry:
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%cmp.16 = icmp sgt i32 %n, 0
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br i1 %cmp.16, label %for.body.preheader, label %for.cond.cleanup
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for.body.preheader:
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br label %for.body
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for.cond.for.cond.cleanup_crit_edge:
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%add5.lcssa = phi i32 [ %add5, %for.body ]
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%conv6 = trunc i32 %add5.lcssa to i16
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br label %for.cond.cleanup
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for.cond.cleanup:
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%sum.0.lcssa = phi i16 [ %conv6, %for.cond.for.cond.cleanup_crit_edge ], [ 0, %entry ]
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ret i16 %sum.0.lcssa
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for.body:
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
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%sum.017 = phi i32 [ %add5, %for.body ], [ 0, %for.body.preheader ]
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%arrayidx = getelementptr inbounds i16, i16* %a, i64 %indvars.iv
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%0 = load i16, i16* %arrayidx, align 2
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%conv.14 = zext i16 %0 to i32
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%arrayidx2 = getelementptr inbounds i16, i16* %b, i64 %indvars.iv
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%1 = load i16, i16* %arrayidx2, align 2
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%conv3.15 = zext i16 %1 to i32
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%conv4.13 = and i32 %sum.017, 65535
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%add = add nuw nsw i32 %conv.14, %conv4.13
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%add5 = add nuw nsw i32 %add, %conv3.15
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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br i1 %exitcond, label %for.cond.for.cond.cleanup_crit_edge, label %for.body
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}
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; CHECK-LABEL: @reduction_i16_2
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;
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; short reduction_i16_2(char *a, char *b, int n) {
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; short sum = 0;
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; for (int i = 0; i < n; ++i)
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; sum += (a[i] + b[i]);
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; return sum;
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; }
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;
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; CHECK: vector.body:
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; CHECK: phi <8 x i16>
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; CHECK: [[Ld1:%[a-zA-Z0-9.]+]] = load <8 x i8>
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; CHECK: zext <8 x i8> [[Ld1]] to <8 x i16>
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; CHECK: [[Ld2:%[a-zA-Z0-9.]+]] = load <8 x i8>
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; CHECK: zext <8 x i8> [[Ld2]] to <8 x i16>
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; CHECK: add <8 x i16>
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; CHECK: add <8 x i16>
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;
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; CHECK: middle.block:
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; CHECK: [[Rdx:%[a-zA-Z0-9.]+]] = call i16 @llvm.experimental.vector.reduce.add.i16.v8i16(<8 x i16>
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; CHECK: zext i16 [[Rdx]] to i32
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;
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define i16 @reduction_i16_2(i8* nocapture readonly %a, i8* nocapture readonly %b, i32 %n) {
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entry:
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%cmp.14 = icmp sgt i32 %n, 0
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br i1 %cmp.14, label %for.body.preheader, label %for.cond.cleanup
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for.body.preheader:
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br label %for.body
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for.cond.for.cond.cleanup_crit_edge:
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%add5.lcssa = phi i32 [ %add5, %for.body ]
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%conv6 = trunc i32 %add5.lcssa to i16
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br label %for.cond.cleanup
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for.cond.cleanup:
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%sum.0.lcssa = phi i16 [ %conv6, %for.cond.for.cond.cleanup_crit_edge ], [ 0, %entry ]
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ret i16 %sum.0.lcssa
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for.body:
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
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%sum.015 = phi i32 [ %add5, %for.body ], [ 0, %for.body.preheader ]
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%arrayidx = getelementptr inbounds i8, i8* %a, i64 %indvars.iv
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%0 = load i8, i8* %arrayidx, align 1
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%conv = zext i8 %0 to i32
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%arrayidx2 = getelementptr inbounds i8, i8* %b, i64 %indvars.iv
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%1 = load i8, i8* %arrayidx2, align 1
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%conv3 = zext i8 %1 to i32
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%conv4.13 = and i32 %sum.015, 65535
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%add = add nuw nsw i32 %conv, %conv4.13
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%add5 = add nuw nsw i32 %add, %conv3
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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br i1 %exitcond, label %for.cond.for.cond.cleanup_crit_edge, label %for.body
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}
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