233 lines
7.7 KiB
LLVM
233 lines
7.7 KiB
LLVM
; RUN: opt -O2 -S < %s | FileCheck %s
|
|
|
|
@data = common global i32* null, align 8
|
|
|
|
define i32 @fct1(i32 %a) nounwind uwtable ssp {
|
|
entry:
|
|
%a.addr = alloca i32, align 4
|
|
%res = alloca i32, align 4
|
|
%i = alloca i32, align 4
|
|
store i32 %a, i32* %a.addr, align 4
|
|
%tmp = load i32* %a.addr, align 4
|
|
%idxprom = sext i32 %tmp to i64
|
|
%tmp1 = load i32** @data, align 8
|
|
%arrayidx = getelementptr inbounds i32* %tmp1, i64 %idxprom
|
|
%tmp2 = load i32* %arrayidx, align 4
|
|
%tmp3 = load i32* %a.addr, align 4
|
|
%add = add nsw i32 %tmp3, 1
|
|
%idxprom1 = sext i32 %add to i64
|
|
%tmp4 = load i32** @data, align 8
|
|
%arrayidx2 = getelementptr inbounds i32* %tmp4, i64 %idxprom1
|
|
%tmp5 = load i32* %arrayidx2, align 4
|
|
%mul = mul nsw i32 %tmp2, %tmp5
|
|
store i32 %mul, i32* %res, align 4
|
|
store i32 0, i32* %i, align 4
|
|
store i32 0, i32* %i, align 4
|
|
br label %for.cond
|
|
|
|
for.cond: ; preds = %for.inc, %entry
|
|
%tmp6 = load i32* %i, align 4
|
|
%tmp7 = load i32* %res, align 4
|
|
%cmp = icmp slt i32 %tmp6, %tmp7
|
|
br i1 %cmp, label %for.body, label %for.end
|
|
|
|
for.body: ; preds = %for.cond
|
|
%tmp8 = load i32* %i, align 4
|
|
%idxprom3 = sext i32 %tmp8 to i64
|
|
%tmp9 = load i32** @data, align 8
|
|
%arrayidx4 = getelementptr inbounds i32* %tmp9, i64 %idxprom3
|
|
call void @fct0(i32* %arrayidx4)
|
|
br label %for.inc
|
|
|
|
for.inc: ; preds = %for.body
|
|
%tmp10 = load i32* %i, align 4
|
|
%inc = add nsw i32 %tmp10, 1
|
|
store i32 %inc, i32* %i, align 4
|
|
br label %for.cond
|
|
|
|
for.end: ; preds = %for.cond
|
|
store i32 0, i32* %i, align 4
|
|
br label %for.cond5
|
|
|
|
for.cond5: ; preds = %for.inc10, %for.end
|
|
%tmp11 = load i32* %i, align 4
|
|
%tmp12 = load i32* %res, align 4
|
|
%cmp6 = icmp slt i32 %tmp11, %tmp12
|
|
br i1 %cmp6, label %for.body7, label %for.end12
|
|
|
|
for.body7: ; preds = %for.cond5
|
|
%tmp13 = load i32* %i, align 4
|
|
%idxprom8 = sext i32 %tmp13 to i64
|
|
%tmp14 = load i32** @data, align 8
|
|
%arrayidx9 = getelementptr inbounds i32* %tmp14, i64 %idxprom8
|
|
call void @fct0(i32* %arrayidx9)
|
|
br label %for.inc10
|
|
|
|
for.inc10: ; preds = %for.body7
|
|
%tmp15 = load i32* %i, align 4
|
|
%inc11 = add nsw i32 %tmp15, 1
|
|
store i32 %inc11, i32* %i, align 4
|
|
br label %for.cond5
|
|
|
|
for.end12: ; preds = %for.cond5
|
|
store i32 0, i32* %i, align 4
|
|
br label %for.cond13
|
|
|
|
for.cond13: ; preds = %for.inc18, %for.end12
|
|
%tmp16 = load i32* %i, align 4
|
|
%tmp17 = load i32* %res, align 4
|
|
%cmp14 = icmp slt i32 %tmp16, %tmp17
|
|
br i1 %cmp14, label %for.body15, label %for.end20
|
|
|
|
for.body15: ; preds = %for.cond13
|
|
%tmp18 = load i32* %i, align 4
|
|
%idxprom16 = sext i32 %tmp18 to i64
|
|
%tmp19 = load i32** @data, align 8
|
|
%arrayidx17 = getelementptr inbounds i32* %tmp19, i64 %idxprom16
|
|
call void @fct0(i32* %arrayidx17)
|
|
br label %for.inc18
|
|
|
|
for.inc18: ; preds = %for.body15
|
|
%tmp20 = load i32* %i, align 4
|
|
%inc19 = add nsw i32 %tmp20, 1
|
|
store i32 %inc19, i32* %i, align 4
|
|
br label %for.cond13
|
|
|
|
for.end20: ; preds = %for.cond13
|
|
%tmp21 = load i32* %res, align 4
|
|
ret i32 %tmp21
|
|
}
|
|
|
|
declare void @fct0(i32*)
|
|
|
|
define i32 @fct2(i32 %a) nounwind uwtable inlinehint ssp {
|
|
entry:
|
|
%a.addr = alloca i32, align 4
|
|
%res = alloca i32, align 4
|
|
%i = alloca i32, align 4
|
|
store i32 %a, i32* %a.addr, align 4
|
|
%tmp = load i32* %a.addr, align 4
|
|
%shl = shl i32 %tmp, 1
|
|
%idxprom = sext i32 %shl to i64
|
|
%tmp1 = load i32** @data, align 8
|
|
%arrayidx = getelementptr inbounds i32* %tmp1, i64 %idxprom
|
|
%tmp2 = load i32* %arrayidx, align 4
|
|
%tmp3 = load i32* %a.addr, align 4
|
|
%shl1 = shl i32 %tmp3, 1
|
|
%add = add nsw i32 %shl1, 13
|
|
%idxprom2 = sext i32 %add to i64
|
|
%tmp4 = load i32** @data, align 8
|
|
%arrayidx3 = getelementptr inbounds i32* %tmp4, i64 %idxprom2
|
|
%tmp5 = load i32* %arrayidx3, align 4
|
|
%mul = mul nsw i32 %tmp2, %tmp5
|
|
store i32 %mul, i32* %res, align 4
|
|
store i32 0, i32* %i, align 4
|
|
store i32 0, i32* %i, align 4
|
|
br label %for.cond
|
|
|
|
for.cond: ; preds = %for.inc, %entry
|
|
%tmp6 = load i32* %i, align 4
|
|
%tmp7 = load i32* %res, align 4
|
|
%cmp = icmp slt i32 %tmp6, %tmp7
|
|
br i1 %cmp, label %for.body, label %for.end
|
|
|
|
for.body: ; preds = %for.cond
|
|
%tmp8 = load i32* %i, align 4
|
|
%idxprom4 = sext i32 %tmp8 to i64
|
|
%tmp9 = load i32** @data, align 8
|
|
%arrayidx5 = getelementptr inbounds i32* %tmp9, i64 %idxprom4
|
|
call void @fct0(i32* %arrayidx5)
|
|
br label %for.inc
|
|
|
|
for.inc: ; preds = %for.body
|
|
%tmp10 = load i32* %i, align 4
|
|
%inc = add nsw i32 %tmp10, 1
|
|
store i32 %inc, i32* %i, align 4
|
|
br label %for.cond
|
|
|
|
for.end: ; preds = %for.cond
|
|
store i32 0, i32* %i, align 4
|
|
br label %for.cond6
|
|
|
|
for.cond6: ; preds = %for.inc11, %for.end
|
|
%tmp11 = load i32* %i, align 4
|
|
%tmp12 = load i32* %res, align 4
|
|
%cmp7 = icmp slt i32 %tmp11, %tmp12
|
|
br i1 %cmp7, label %for.body8, label %for.end13
|
|
|
|
for.body8: ; preds = %for.cond6
|
|
%tmp13 = load i32* %i, align 4
|
|
%idxprom9 = sext i32 %tmp13 to i64
|
|
%tmp14 = load i32** @data, align 8
|
|
%arrayidx10 = getelementptr inbounds i32* %tmp14, i64 %idxprom9
|
|
call void @fct0(i32* %arrayidx10)
|
|
br label %for.inc11
|
|
|
|
for.inc11: ; preds = %for.body8
|
|
%tmp15 = load i32* %i, align 4
|
|
%inc12 = add nsw i32 %tmp15, 1
|
|
store i32 %inc12, i32* %i, align 4
|
|
br label %for.cond6
|
|
|
|
for.end13: ; preds = %for.cond6
|
|
store i32 0, i32* %i, align 4
|
|
br label %for.cond14
|
|
|
|
for.cond14: ; preds = %for.inc19, %for.end13
|
|
%tmp16 = load i32* %i, align 4
|
|
%tmp17 = load i32* %res, align 4
|
|
%cmp15 = icmp slt i32 %tmp16, %tmp17
|
|
br i1 %cmp15, label %for.body16, label %for.end21
|
|
|
|
for.body16: ; preds = %for.cond14
|
|
%tmp18 = load i32* %i, align 4
|
|
%idxprom17 = sext i32 %tmp18 to i64
|
|
%tmp19 = load i32** @data, align 8
|
|
%arrayidx18 = getelementptr inbounds i32* %tmp19, i64 %idxprom17
|
|
call void @fct0(i32* %arrayidx18)
|
|
br label %for.inc19
|
|
|
|
for.inc19: ; preds = %for.body16
|
|
%tmp20 = load i32* %i, align 4
|
|
%inc20 = add nsw i32 %tmp20, 1
|
|
store i32 %inc20, i32* %i, align 4
|
|
br label %for.cond14
|
|
|
|
for.end21: ; preds = %for.cond14
|
|
%tmp21 = load i32* %res, align 4
|
|
ret i32 %tmp21
|
|
}
|
|
|
|
define i32 @fct3(i32 %c) nounwind uwtable ssp {
|
|
entry:
|
|
;CHECK: @fct3
|
|
;CHECK: call i32 @fct1
|
|
; The inline keyword gives a sufficient benefits to inline fct2
|
|
;CHECK-NOT: call i32 @fct2
|
|
%c.addr = alloca i32, align 4
|
|
store i32 %c, i32* %c.addr, align 4
|
|
%tmp = load i32* %c.addr, align 4
|
|
%call = call i32 @fct1(i32 %tmp)
|
|
%tmp1 = load i32* %c.addr, align 4
|
|
%call1 = call i32 @fct2(i32 %tmp1)
|
|
%add = add nsw i32 %call, %call1
|
|
ret i32 %add
|
|
}
|
|
|
|
define i32 @fct4(i32 %c) minsize nounwind uwtable ssp {
|
|
entry:
|
|
;CHECK: @fct4
|
|
;CHECK: call i32 @fct1
|
|
; With Oz (minsize attribute), the benefit of inlining fct2
|
|
; is the same as fct1, thus no inlining for fct2
|
|
;CHECK: call i32 @fct2
|
|
%c.addr = alloca i32, align 4
|
|
store i32 %c, i32* %c.addr, align 4
|
|
%tmp = load i32* %c.addr, align 4
|
|
%call = call i32 @fct1(i32 %tmp)
|
|
%tmp1 = load i32* %c.addr, align 4
|
|
%call1 = call i32 @fct2(i32 %tmp1)
|
|
%add = add nsw i32 %call, %call1
|
|
ret i32 %add
|
|
}
|