mirror of
https://github.com/c64scene-ar/llvm-6502.git
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87c977a52b
"Unroll" is not the appropriate name for this variable. Clang already uses the term "interleave" in pragmas and metadata for this. Differential Revision: http://reviews.llvm.org/D5066 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217528 91177308-0d34-0410-b5e6-96231b3b80d8
127 lines
4.5 KiB
LLVM
127 lines
4.5 KiB
LLVM
; RUN: opt -S -vectorize-num-stores-pred=1 -force-vector-width=1 -force-vector-interleave=2 -loop-vectorize < %s | FileCheck %s --check-prefix=UNROLL
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; RUN: opt -S -vectorize-num-stores-pred=1 -force-vector-width=2 -force-vector-interleave=1 -loop-vectorize -enable-cond-stores-vec < %s | FileCheck %s --check-prefix=VEC
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.9.0"
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; Test predication of stores.
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define i32 @test(i32* nocapture %f) #0 {
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entry:
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br label %for.body
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; VEC-LABEL: test
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; VEC: %[[v8:.+]] = icmp sgt <2 x i32> %{{.*}}, <i32 100, i32 100>
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; VEC: %[[v9:.+]] = add nsw <2 x i32> %{{.*}}, <i32 20, i32 20>
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; VEC: %[[v10:.+]] = and <2 x i1> %[[v8]], <i1 true, i1 true>
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; VEC: %[[v11:.+]] = extractelement <2 x i1> %[[v10]], i32 0
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; VEC: %[[v12:.+]] = icmp eq i1 %[[v11]], true
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; VEC: br i1 %[[v12]], label %[[cond:.+]], label %[[else:.+]]
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;
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; VEC: [[cond]]:
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; VEC: %[[v13:.+]] = extractelement <2 x i32> %[[v9]], i32 0
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; VEC: %[[v14:.+]] = extractelement <2 x i32*> %{{.*}}, i32 0
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; VEC: store i32 %[[v13]], i32* %[[v14]], align 4
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; VEC: br label %[[else:.+]]
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;
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; VEC: [[else]]:
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; VEC: %[[v15:.+]] = extractelement <2 x i1> %[[v10]], i32 1
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; VEC: %[[v16:.+]] = icmp eq i1 %[[v15]], true
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; VEC: br i1 %[[v16]], label %[[cond2:.+]], label %[[else2:.+]]
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;
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; VEC: [[cond2]]:
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; VEC: %[[v17:.+]] = extractelement <2 x i32> %[[v9]], i32 1
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; VEC: %[[v18:.+]] = extractelement <2 x i32*> %{{.+}} i32 1
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; VEC: store i32 %[[v17]], i32* %[[v18]], align 4
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; VEC: br label %[[else2:.+]]
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;
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; VEC: [[else2]]:
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; UNROLL-LABEL: test
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; UNROLL: vector.body:
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; UNROLL: %[[IND:[a-zA-Z0-9]+]] = add i64 %{{.*}}, 0
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; UNROLL: %[[IND1:[a-zA-Z0-9]+]] = add i64 %{{.*}}, 1
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; UNROLL: %[[v0:[a-zA-Z0-9]+]] = getelementptr inbounds i32* %f, i64 %[[IND]]
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; UNROLL: %[[v1:[a-zA-Z0-9]+]] = getelementptr inbounds i32* %f, i64 %[[IND1]]
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; UNROLL: %[[v2:[a-zA-Z0-9]+]] = load i32* %[[v0]], align 4
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; UNROLL: %[[v3:[a-zA-Z0-9]+]] = load i32* %[[v1]], align 4
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; UNROLL: %[[v4:[a-zA-Z0-9]+]] = icmp sgt i32 %[[v2]], 100
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; UNROLL: %[[v5:[a-zA-Z0-9]+]] = icmp sgt i32 %[[v3]], 100
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; UNROLL: %[[v6:[a-zA-Z0-9]+]] = add nsw i32 %[[v2]], 20
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; UNROLL: %[[v7:[a-zA-Z0-9]+]] = add nsw i32 %[[v3]], 20
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; UNROLL: %[[v8:[a-zA-Z0-9]+]] = icmp eq i1 %[[v4]], true
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; UNROLL: br i1 %[[v8]], label %[[cond:[a-zA-Z0-9.]+]], label %[[else:[a-zA-Z0-9.]+]]
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;
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; UNROLL: [[cond]]:
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; UNROLL: store i32 %[[v6]], i32* %[[v0]], align 4
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; UNROLL: br label %[[else]]
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;
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; UNROLL: [[else]]:
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; UNROLL: %[[v9:[a-zA-Z0-9]+]] = icmp eq i1 %[[v5]], true
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; UNROLL: br i1 %[[v9]], label %[[cond2:[a-zA-Z0-9.]+]], label %[[else2:[a-zA-Z0-9.]+]]
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;
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; UNROLL: [[cond2]]:
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; UNROLL: store i32 %[[v7]], i32* %[[v1]], align 4
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; UNROLL: br label %[[else2]]
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;
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; UNROLL: [[else2]]:
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for.body:
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.inc ]
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%arrayidx = getelementptr inbounds i32* %f, i64 %indvars.iv
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%0 = load i32* %arrayidx, align 4
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%cmp1 = icmp sgt i32 %0, 100
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br i1 %cmp1, label %if.then, label %for.inc
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if.then:
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%add = add nsw i32 %0, 20
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store i32 %add, i32* %arrayidx, align 4
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br label %for.inc
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for.inc:
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond = icmp eq i64 %indvars.iv.next, 128
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br i1 %exitcond, label %for.end, label %for.body
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for.end:
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ret i32 0
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}
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; Track basic blocks when unrolling conditional blocks. This code used to assert
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; because we did not update the phi nodes with the proper predecessor in the
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; vectorized loop body.
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; PR18724
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; UNROLL-LABEL: bug18724
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; UNROLL: store i32
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; UNROLL: store i32
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define void @bug18724() {
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entry:
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br label %for.body9
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for.body9:
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br i1 undef, label %for.inc26, label %for.body14
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for.body14:
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%indvars.iv3 = phi i64 [ %indvars.iv.next4, %for.inc23 ], [ undef, %for.body9 ]
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%iNewChunks.120 = phi i32 [ %iNewChunks.2, %for.inc23 ], [ undef, %for.body9 ]
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%arrayidx16 = getelementptr inbounds [768 x i32]* undef, i64 0, i64 %indvars.iv3
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%tmp = load i32* %arrayidx16, align 4
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br i1 undef, label %if.then18, label %for.inc23
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if.then18:
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store i32 2, i32* %arrayidx16, align 4
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%inc21 = add nsw i32 %iNewChunks.120, 1
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br label %for.inc23
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for.inc23:
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%iNewChunks.2 = phi i32 [ %inc21, %if.then18 ], [ %iNewChunks.120, %for.body14 ]
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%indvars.iv.next4 = add nsw i64 %indvars.iv3, 1
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%tmp1 = trunc i64 %indvars.iv3 to i32
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%cmp13 = icmp slt i32 %tmp1, 0
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br i1 %cmp13, label %for.body14, label %for.inc26
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for.inc26:
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%iNewChunks.1.lcssa = phi i32 [ undef, %for.body9 ], [ %iNewChunks.2, %for.inc23 ]
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unreachable
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}
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