reduce_clobber_limit.ll
3.55 KB
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; RUN: opt -S -memoryssa %s | FileCheck %s
; REQUIRES: asserts
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; CHECK-LABEL: @func()
; Function Attrs: noinline
define dso_local void @func() unnamed_addr #0 align 2 {
entry:
%NoFinalize.addr = alloca i8, align 1
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
%call8 = call zeroext i1 @foo()
br i1 %call8, label %if.then9, label %while.cond
if.then9: ; preds = %entry
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
br label %while.cond
while.cond: ; preds = %cleanup, %if.then9, %entry
%call34 = call zeroext i1 @foo()
call void @blah()
br i1 %call34, label %while.body, label %while.end
while.body: ; preds = %while.cond
%call35 = call zeroext i1 @foo()
br i1 %call35, label %if.end37, label %if.then36
if.then36: ; preds = %while.body
store i32 2, i32* undef, align 4
br label %cleanup
if.end37: ; preds = %while.body
%call38 = call zeroext i1 @foo()
br i1 %call38, label %if.end46, label %land.lhs.true
land.lhs.true: ; preds = %if.end37
call void @blah()
%call41 = call zeroext i1 @foo()
br i1 %call41, label %if.then42, label %if.end46
if.then42: ; preds = %land.lhs.true
call void @blah()
br label %if.end46
if.end46: ; preds = %if.then42, %land.lhs.true, %if.end37
call void @blah()
call void @blah()
call void @blah()
call void @blah()
br label %cleanup
cleanup: ; preds = %if.end46, %if.then36
call void @blah()
br label %while.cond
while.end: ; preds = %while.cond
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
%call93 = call zeroext i1 @foo()
br i1 %call93, label %if.end120, label %if.then94
if.then94: ; preds = %while.end
store i32 0, i32* undef, align 4
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
br label %for.cond
for.cond: ; preds = %for.body, %if.then94
br i1 undef, label %for.body, label %if.end120
for.body: ; preds = %for.cond
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
call void @blah()
br label %for.cond
if.end120: ; preds = %for.cond, %while.end
%val = load i8, i8* %NoFinalize.addr, align 1
ret void
}
; Function Attrs: noinline
declare hidden void @blah() unnamed_addr #0 align 2
; Function Attrs: noinline
declare hidden i1 @foo() local_unnamed_addr #0 align 2
attributes #0 = { noinline }