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Imported Upstream version 5.18.0.207

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Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449
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Xamarin Public Jenkins (auto-signing)
2018-11-17 08:23:10 +00:00
parent 8e12397d70
commit eb85e2fc17
28480 changed files with 72 additions and 3866936 deletions
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130
external/llvm/test/Transforms/LoopUnroll/unroll-opt-attribute.ll vendored
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@ -1,130 +0,0 @@
; RUN: opt < %s -S -loop-unroll -unroll-count=4 | FileCheck -check-prefix=CHECK_COUNT4 %s
; RUN: opt < %s -S -loop-unroll | FileCheck -check-prefix=CHECK_NOCOUNT %s
;///////////////////// TEST 1 //////////////////////////////
; This test shows that the loop is unrolled according to the specified
; unroll factor.
define void @Test1() nounwind {
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %inc, %loop ]
%inc = add i32 %iv, 1
%exitcnd = icmp uge i32 %inc, 1024
br i1 %exitcnd, label %exit, label %loop
exit:
ret void
}
; CHECK_COUNT4-LABEL: @Test1
; CHECK_COUNT4: phi
; CHECK_COUNT4-NEXT: add
; CHECK_COUNT4-NEXT: add
; CHECK_COUNT4-NEXT: add
; CHECK_COUNT4-NEXT: add
; CHECK_COUNT4-NEXT: icmp
;///////////////////// TEST 2 //////////////////////////////
; This test shows that with optnone attribute, the loop is not unrolled
; even if an unroll factor was specified.
define void @Test2() nounwind optnone noinline {
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %inc, %loop ]
%inc = add i32 %iv, 1
%exitcnd = icmp uge i32 %inc, 1024
br i1 %exitcnd, label %exit, label %loop
exit:
ret void
}
; CHECK_COUNT4-LABEL: @Test2
; CHECK_COUNT4: phi
; CHECK_COUNT4-NEXT: add
; CHECK_COUNT4-NEXT: icmp
;///////////////////// TEST 3 //////////////////////////////
; This test shows that this loop is fully unrolled by default.
@tab = common global [24 x i32] zeroinitializer, align 4
define i32 @Test3() {
entry:
br label %for.body
for.body: ; preds = %for.body, %entry
%i.05 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds [24 x i32], [24 x i32]* @tab, i32 0, i32 %i.05
store i32 %i.05, i32* %arrayidx, align 4
%inc = add nuw nsw i32 %i.05, 1
%exitcond = icmp eq i32 %inc, 24
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body
ret i32 42
}
; CHECK_NOCOUNT-LABEL: @Test3
; CHECK_NOCOUNT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: store
; CHECK_NOCOUNT-NEXT: ret
;///////////////////// TEST 4 //////////////////////////////
; This test shows that with optsize attribute, this loop is not unrolled.
define i32 @Test4() optsize {
entry:
br label %for.body
for.body: ; preds = %for.body, %entry
%i.05 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds [24 x i32], [24 x i32]* @tab, i32 0, i32 %i.05
store i32 %i.05, i32* %arrayidx, align 4
%inc = add nuw nsw i32 %i.05, 1
%exitcond = icmp eq i32 %inc, 24
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body
ret i32 42
}
; CHECK_NOCOUNT-LABEL: @Test4
; CHECK_NOCOUNT: phi
; CHECK_NOCOUNT: icmp