hwloop-recursion.ll
1.67 KB
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; RUN: llc -O2 -march=hexagon -mcpu=hexagonv5 < %s
; REQUIRES: asserts
; Check for successful compilation.
@c = common global i32 0, align 4
@e = common global i32 0, align 4
@g = common global i32* null, align 4
@a = common global i32 0, align 4
@b = common global i32 0, align 4
@h = common global i32* null, align 4
@d = common global i32 0, align 4
@f = common global i32 0, align 4
define i32 @fn1([0 x i32]* nocapture readnone %p1) #0 {
entry:
%0 = load i32*, i32** @h, align 4
%1 = load i32*, i32** @g, align 4
%.pre = load i32, i32* @c, align 4
br label %for.cond
for.cond:
%2 = phi i32 [ %10, %if.end ], [ %.pre, %entry ]
store i32 %2, i32* @e, align 4
%tobool5 = icmp eq i32 %2, 0
br i1 %tobool5, label %for.end, label %for.body.lr.ph
for.body.lr.ph:
%3 = sub i32 -5, %2
%4 = urem i32 %3, 5
%5 = sub i32 %3, %4
br label %for.body
for.body:
%add6 = phi i32 [ %2, %for.body.lr.ph ], [ %add, %for.body ]
%6 = load i32, i32* %1, align 4
store i32 %6, i32* @a, align 4
%add = add nsw i32 %add6, 5
%tobool = icmp eq i32 %add, 0
br i1 %tobool, label %for.cond1.for.end_crit_edge, label %for.body
for.cond1.for.end_crit_edge:
%7 = add i32 %2, 5
%8 = add i32 %7, %5
store i32 %8, i32* @e, align 4
br label %for.end
for.end:
%9 = load i32, i32* @b, align 4
%tobool2 = icmp eq i32 %9, 0
br i1 %tobool2, label %if.end, label %if.then
if.then:
store i32 0, i32* %0, align 4
%.pre7 = load i32, i32* @c, align 4
br label %if.end
if.end:
%10 = phi i32 [ %2, %for.end ], [ %.pre7, %if.then ]
store i32 %10, i32* @d, align 4
%11 = load i32, i32* @f, align 4
%inc = add nsw i32 %11, 1
store i32 %inc, i32* @f, align 4
br label %for.cond
}