233 lines
8.0 KiB
LLVM
233 lines
8.0 KiB
LLVM
; RUN: opt -inline -inline-threshold=225 -inlinehint-threshold=360 -S < %s | FileCheck %s
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@data = common global i32* null, align 8
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define i32 @fct1(i32 %a) nounwind uwtable ssp {
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entry:
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%a.addr = alloca i32, align 4
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%res = alloca i32, align 4
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%i = alloca i32, align 4
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store i32 %a, i32* %a.addr, align 4
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%tmp = load i32, i32* %a.addr, align 4
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%idxprom = sext i32 %tmp to i64
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%tmp1 = load i32*, i32** @data, align 8
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%arrayidx = getelementptr inbounds i32, i32* %tmp1, i64 %idxprom
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%tmp2 = load i32, i32* %arrayidx, align 4
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%tmp3 = load i32, i32* %a.addr, align 4
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%add = add nsw i32 %tmp3, 1
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%idxprom1 = sext i32 %add to i64
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%tmp4 = load i32*, i32** @data, align 8
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%arrayidx2 = getelementptr inbounds i32, i32* %tmp4, i64 %idxprom1
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%tmp5 = load i32, i32* %arrayidx2, align 4
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%mul = mul nsw i32 %tmp2, %tmp5
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store i32 %mul, i32* %res, align 4
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store i32 0, i32* %i, align 4
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store i32 0, i32* %i, align 4
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%tmp6 = load i32, i32* %i, align 4
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%tmp7 = load i32, i32* %res, align 4
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%cmp = icmp slt i32 %tmp6, %tmp7
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br i1 %cmp, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%tmp8 = load i32, i32* %i, align 4
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%idxprom3 = sext i32 %tmp8 to i64
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%tmp9 = load i32*, i32** @data, align 8
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%arrayidx4 = getelementptr inbounds i32, i32* %tmp9, i64 %idxprom3
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call void @fct0(i32* %arrayidx4)
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br label %for.inc
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for.inc: ; preds = %for.body
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%tmp10 = load i32, i32* %i, align 4
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%inc = add nsw i32 %tmp10, 1
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store i32 %inc, i32* %i, align 4
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br label %for.cond
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for.end: ; preds = %for.cond
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store i32 0, i32* %i, align 4
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br label %for.cond5
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for.cond5: ; preds = %for.inc10, %for.end
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%tmp11 = load i32, i32* %i, align 4
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%tmp12 = load i32, i32* %res, align 4
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%cmp6 = icmp slt i32 %tmp11, %tmp12
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br i1 %cmp6, label %for.body7, label %for.end12
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for.body7: ; preds = %for.cond5
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%tmp13 = load i32, i32* %i, align 4
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%idxprom8 = sext i32 %tmp13 to i64
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%tmp14 = load i32*, i32** @data, align 8
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%arrayidx9 = getelementptr inbounds i32, i32* %tmp14, i64 %idxprom8
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call void @fct0(i32* %arrayidx9)
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br label %for.inc10
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for.inc10: ; preds = %for.body7
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%tmp15 = load i32, i32* %i, align 4
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%inc11 = add nsw i32 %tmp15, 1
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store i32 %inc11, i32* %i, align 4
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br label %for.cond5
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for.end12: ; preds = %for.cond5
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store i32 0, i32* %i, align 4
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br label %for.cond13
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for.cond13: ; preds = %for.inc18, %for.end12
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%tmp16 = load i32, i32* %i, align 4
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%tmp17 = load i32, i32* %res, align 4
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%cmp14 = icmp slt i32 %tmp16, %tmp17
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br i1 %cmp14, label %for.body15, label %for.end20
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for.body15: ; preds = %for.cond13
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%tmp18 = load i32, i32* %i, align 4
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%idxprom16 = sext i32 %tmp18 to i64
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%tmp19 = load i32*, i32** @data, align 8
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%arrayidx17 = getelementptr inbounds i32, i32* %tmp19, i64 %idxprom16
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call void @fct0(i32* %arrayidx17)
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br label %for.inc18
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for.inc18: ; preds = %for.body15
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%tmp20 = load i32, i32* %i, align 4
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%inc19 = add nsw i32 %tmp20, 1
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store i32 %inc19, i32* %i, align 4
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br label %for.cond13
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for.end20: ; preds = %for.cond13
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%tmp21 = load i32, i32* %res, align 4
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ret i32 %tmp21
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}
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declare void @fct0(i32*)
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define i32 @fct2(i32 %a) nounwind uwtable inlinehint ssp {
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entry:
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%a.addr = alloca i32, align 4
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%res = alloca i32, align 4
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%i = alloca i32, align 4
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store i32 %a, i32* %a.addr, align 4
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%tmp = load i32, i32* %a.addr, align 4
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%shl = shl i32 %tmp, 1
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%idxprom = sext i32 %shl to i64
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%tmp1 = load i32*, i32** @data, align 8
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%arrayidx = getelementptr inbounds i32, i32* %tmp1, i64 %idxprom
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%tmp2 = load i32, i32* %arrayidx, align 4
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%tmp3 = load i32, i32* %a.addr, align 4
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%shl1 = shl i32 %tmp3, 1
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%add = add nsw i32 %shl1, 13
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%idxprom2 = sext i32 %add to i64
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%tmp4 = load i32*, i32** @data, align 8
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%arrayidx3 = getelementptr inbounds i32, i32* %tmp4, i64 %idxprom2
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%tmp5 = load i32, i32* %arrayidx3, align 4
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%mul = mul nsw i32 %tmp2, %tmp5
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store i32 %mul, i32* %res, align 4
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store i32 0, i32* %i, align 4
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store i32 0, i32* %i, align 4
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%tmp6 = load i32, i32* %i, align 4
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%tmp7 = load i32, i32* %res, align 4
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%cmp = icmp slt i32 %tmp6, %tmp7
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br i1 %cmp, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%tmp8 = load i32, i32* %i, align 4
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%idxprom4 = sext i32 %tmp8 to i64
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%tmp9 = load i32*, i32** @data, align 8
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%arrayidx5 = getelementptr inbounds i32, i32* %tmp9, i64 %idxprom4
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call void @fct0(i32* %arrayidx5)
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br label %for.inc
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for.inc: ; preds = %for.body
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%tmp10 = load i32, i32* %i, align 4
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%inc = add nsw i32 %tmp10, 1
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store i32 %inc, i32* %i, align 4
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br label %for.cond
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for.end: ; preds = %for.cond
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store i32 0, i32* %i, align 4
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br label %for.cond6
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for.cond6: ; preds = %for.inc11, %for.end
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%tmp11 = load i32, i32* %i, align 4
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%tmp12 = load i32, i32* %res, align 4
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%cmp7 = icmp slt i32 %tmp11, %tmp12
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br i1 %cmp7, label %for.body8, label %for.end13
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for.body8: ; preds = %for.cond6
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%tmp13 = load i32, i32* %i, align 4
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%idxprom9 = sext i32 %tmp13 to i64
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%tmp14 = load i32*, i32** @data, align 8
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%arrayidx10 = getelementptr inbounds i32, i32* %tmp14, i64 %idxprom9
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call void @fct0(i32* %arrayidx10)
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br label %for.inc11
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for.inc11: ; preds = %for.body8
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%tmp15 = load i32, i32* %i, align 4
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%inc12 = add nsw i32 %tmp15, 1
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store i32 %inc12, i32* %i, align 4
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br label %for.cond6
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for.end13: ; preds = %for.cond6
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store i32 0, i32* %i, align 4
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br label %for.cond14
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for.cond14: ; preds = %for.inc19, %for.end13
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%tmp16 = load i32, i32* %i, align 4
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%tmp17 = load i32, i32* %res, align 4
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%cmp15 = icmp slt i32 %tmp16, %tmp17
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br i1 %cmp15, label %for.body16, label %for.end21
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for.body16: ; preds = %for.cond14
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%tmp18 = load i32, i32* %i, align 4
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%idxprom17 = sext i32 %tmp18 to i64
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%tmp19 = load i32*, i32** @data, align 8
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%arrayidx18 = getelementptr inbounds i32, i32* %tmp19, i64 %idxprom17
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call void @fct0(i32* %arrayidx18)
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br label %for.inc19
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for.inc19: ; preds = %for.body16
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%tmp20 = load i32, i32* %i, align 4
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%inc20 = add nsw i32 %tmp20, 1
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store i32 %inc20, i32* %i, align 4
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br label %for.cond14
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for.end21: ; preds = %for.cond14
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%tmp21 = load i32, i32* %res, align 4
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ret i32 %tmp21
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}
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define i32 @fct3(i32 %c) nounwind uwtable ssp {
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entry:
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;CHECK-LABEL: @fct3(
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;CHECK: call i32 @fct1
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; The inline keyword gives a sufficient benefits to inline fct2
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;CHECK-NOT: call i32 @fct2
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%c.addr = alloca i32, align 4
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store i32 %c, i32* %c.addr, align 4
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%tmp = load i32, i32* %c.addr, align 4
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%call = call i32 @fct1(i32 %tmp)
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%tmp1 = load i32, i32* %c.addr, align 4
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%call1 = call i32 @fct2(i32 %tmp1)
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%add = add nsw i32 %call, %call1
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ret i32 %add
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}
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define i32 @fct4(i32 %c) minsize nounwind uwtable ssp {
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entry:
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;CHECK-LABEL: @fct4(
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;CHECK: call i32 @fct1
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; With Oz (minsize attribute), the benefit of inlining fct2
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; is the same as fct1, thus no inlining for fct2
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;CHECK: call i32 @fct2
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%c.addr = alloca i32, align 4
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store i32 %c, i32* %c.addr, align 4
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%tmp = load i32, i32* %c.addr, align 4
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%call = call i32 @fct1(i32 %tmp)
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%tmp1 = load i32, i32* %c.addr, align 4
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%call1 = call i32 @fct2(i32 %tmp1)
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%add = add nsw i32 %call, %call1
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ret i32 %add
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}
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