177 lines
6.3 KiB
LLVM
177 lines
6.3 KiB
LLVM
; RUN: opt -loop-vectorize < %s -S -o - | FileCheck %s
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target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "thumbv8.1m.main-none-eabi"
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; CHECK-LABEL: test_i32_align4
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; CHECK: call void @llvm.masked.store.v4i32.p0v4i32
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define void @test_i32_align4(i32* nocapture %A, i32 %n) #0 {
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entry:
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%cmp12 = icmp sgt i32 %n, 0
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br i1 %cmp12, label %for.body.preheader, label %for.cond.cleanup
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.inc
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%i.013 = phi i32 [ %inc, %for.inc ], [ 0, %for.body.preheader ]
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%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i.013
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%0 = load i32, i32* %arrayidx, align 4
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%.off = add i32 %0, 9
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%1 = icmp ult i32 %.off, 19
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br i1 %1, label %if.then, label %for.inc
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if.then: ; preds = %for.body
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store i32 0, i32* %arrayidx, align 4
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br label %for.inc
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for.inc: ; preds = %for.body, %if.then
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%inc = add nuw nsw i32 %i.013, 1
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%exitcond = icmp eq i32 %inc, %n
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br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
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for.cond.cleanup.loopexit: ; preds = %for.inc
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br label %for.cond.cleanup
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for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
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ret void
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}
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; CHECK-LABEL: test_i32_align2
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; CHECK-NOT: call void @llvm.masked.store
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define void @test_i32_align2(i32* nocapture %A, i32 %n) #0 {
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entry:
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%cmp12 = icmp sgt i32 %n, 0
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br i1 %cmp12, label %for.body.preheader, label %for.cond.cleanup
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.inc
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%i.013 = phi i32 [ %inc, %for.inc ], [ 0, %for.body.preheader ]
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%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i.013
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%0 = load i32, i32* %arrayidx, align 2
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%.off = add i32 %0, 9
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%1 = icmp ult i32 %.off, 19
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br i1 %1, label %if.then, label %for.inc
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if.then: ; preds = %for.body
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store i32 0, i32* %arrayidx, align 2
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br label %for.inc
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for.inc: ; preds = %for.body, %if.then
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%inc = add nuw nsw i32 %i.013, 1
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%exitcond = icmp eq i32 %inc, %n
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br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
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for.cond.cleanup.loopexit: ; preds = %for.inc
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br label %for.cond.cleanup
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for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
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ret void
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}
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; CHECK-LABEL: test_i32_noalign
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; CHECK: call void @llvm.masked.store.v4i32.p0v4i32
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define void @test_i32_noalign(i32* nocapture %A, i32 %n) #0 {
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entry:
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%cmp12 = icmp sgt i32 %n, 0
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br i1 %cmp12, label %for.body.preheader, label %for.cond.cleanup
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.inc
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%i.013 = phi i32 [ %inc, %for.inc ], [ 0, %for.body.preheader ]
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%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i.013
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%0 = load i32, i32* %arrayidx
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%.off = add i32 %0, 9
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%1 = icmp ult i32 %.off, 19
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br i1 %1, label %if.then, label %for.inc
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if.then: ; preds = %for.body
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store i32 0, i32* %arrayidx
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br label %for.inc
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for.inc: ; preds = %for.body, %if.then
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%inc = add nuw nsw i32 %i.013, 1
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%exitcond = icmp eq i32 %inc, %n
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br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
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for.cond.cleanup.loopexit: ; preds = %for.inc
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br label %for.cond.cleanup
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for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
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ret void
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}
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; CHECK-LABEL: test_i16_align2
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; CHECK: call void @llvm.masked.store.v8i16.p0v8i16
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define void @test_i16_align2(i16* nocapture %A, i32 %n) #0 {
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entry:
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%cmp12 = icmp sgt i32 %n, 0
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br i1 %cmp12, label %for.body.preheader, label %for.cond.cleanup
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.inc
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%i.013 = phi i32 [ %inc, %for.inc ], [ 0, %for.body.preheader ]
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%arrayidx = getelementptr inbounds i16, i16* %A, i32 %i.013
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%0 = load i16, i16* %arrayidx, align 2
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%.off = add i16 %0, 9
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%1 = icmp ult i16 %.off, 19
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br i1 %1, label %if.then, label %for.inc
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if.then: ; preds = %for.body
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store i16 0, i16* %arrayidx, align 2
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br label %for.inc
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for.inc: ; preds = %for.body, %if.then
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%inc = add nuw nsw i32 %i.013, 1
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%exitcond = icmp eq i32 %inc, %n
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br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
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for.cond.cleanup.loopexit: ; preds = %for.inc
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br label %for.cond.cleanup
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for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
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ret void
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}
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; CHECK-LABEL: test_i16_align1
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; CHECK-NOT: call void @llvm.masked.store
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define void @test_i16_align1(i16* nocapture %A, i32 %n) #0 {
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entry:
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%cmp12 = icmp sgt i32 %n, 0
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br i1 %cmp12, label %for.body.preheader, label %for.cond.cleanup
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.inc
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%i.013 = phi i32 [ %inc, %for.inc ], [ 0, %for.body.preheader ]
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%arrayidx = getelementptr inbounds i16, i16* %A, i32 %i.013
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%0 = load i16, i16* %arrayidx, align 1
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%.off = add i16 %0, 9
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%1 = icmp ult i16 %.off, 19
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br i1 %1, label %if.then, label %for.inc
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if.then: ; preds = %for.body
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store i16 0, i16* %arrayidx, align 1
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br label %for.inc
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for.inc: ; preds = %for.body, %if.then
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%inc = add nuw nsw i32 %i.013, 1
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%exitcond = icmp eq i32 %inc, %n
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br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
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for.cond.cleanup.loopexit: ; preds = %for.inc
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br label %for.cond.cleanup
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for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
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ret void
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}
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attributes #0 = { "target-features"="+mve" }
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