llvm-6502/test/Transforms/Inline/2009-01-12-RecursiveInline.ll
Dan Gohman f2f6ce65b7 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

93 lines
3.1 KiB
LLVM

; RUN: opt < %s -inline -S | grep {call.*fib} | count 4
; First call to fib from fib is inlined, producing 2 instead of 1, total 3.
; Second call to fib from fib is not inlined because new body of fib exceeds
; inlining limit of 200. Plus call in main = 4 total.
; ModuleID = '<stdin>'
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i386-apple-darwin9.6"
@"\01LC" = internal constant [5 x i8] c"%ld\0A\00" ; <[5 x i8]*> [#uses=1]
define i32 @fib(i32 %n) nounwind {
entry:
%n_addr = alloca i32 ; <i32*> [#uses=4]
%retval = alloca i32 ; <i32*> [#uses=2]
%0 = alloca i32 ; <i32*> [#uses=3]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i32 %n, i32* %n_addr
%1 = load i32* %n_addr, align 4 ; <i32> [#uses=1]
%2 = icmp ule i32 %1, 1 ; <i1> [#uses=1]
br i1 %2, label %bb, label %bb1
bb: ; preds = %entry
store i32 1, i32* %0, align 4
br label %bb2
bb1: ; preds = %entry
%3 = load i32* %n_addr, align 4 ; <i32> [#uses=1]
%4 = sub i32 %3, 2 ; <i32> [#uses=1]
%5 = call i32 @fib(i32 %4) nounwind ; <i32> [#uses=1]
%6 = load i32* %n_addr, align 4 ; <i32> [#uses=1]
%7 = sub i32 %6, 1 ; <i32> [#uses=1]
%8 = call i32 @fib(i32 %7) nounwind ; <i32> [#uses=1]
%9 = add i32 %5, %8 ; <i32> [#uses=1]
store i32 %9, i32* %0, align 4
br label %bb2
bb2: ; preds = %bb1, %bb
%10 = load i32* %0, align 4 ; <i32> [#uses=1]
store i32 %10, i32* %retval, align 4
br label %return
return: ; preds = %bb2
%retval3 = load i32* %retval ; <i32> [#uses=1]
ret i32 %retval3
}
define i32 @main(i32 %argc, i8** %argv) nounwind {
entry:
%argc_addr = alloca i32 ; <i32*> [#uses=2]
%argv_addr = alloca i8** ; <i8***> [#uses=2]
%retval = alloca i32 ; <i32*> [#uses=2]
%N = alloca i32 ; <i32*> [#uses=2]
%0 = alloca i32 ; <i32*> [#uses=2]
%iftmp.0 = alloca i32 ; <i32*> [#uses=3]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i32 %argc, i32* %argc_addr
store i8** %argv, i8*** %argv_addr
%1 = load i32* %argc_addr, align 4 ; <i32> [#uses=1]
%2 = icmp eq i32 %1, 2 ; <i1> [#uses=1]
br i1 %2, label %bb, label %bb1
bb: ; preds = %entry
%3 = load i8*** %argv_addr, align 4 ; <i8**> [#uses=1]
%4 = getelementptr i8** %3, i32 1 ; <i8**> [#uses=1]
%5 = load i8** %4, align 4 ; <i8*> [#uses=1]
%6 = call i32 @atoi(i8* %5) nounwind ; <i32> [#uses=1]
store i32 %6, i32* %iftmp.0, align 4
br label %bb2
bb1: ; preds = %entry
store i32 43, i32* %iftmp.0, align 4
br label %bb2
bb2: ; preds = %bb1, %bb
%7 = load i32* %iftmp.0, align 4 ; <i32> [#uses=1]
store i32 %7, i32* %N, align 4
%8 = load i32* %N, align 4 ; <i32> [#uses=1]
%9 = call i32 @fib(i32 %8) nounwind ; <i32> [#uses=1]
%10 = call i32 (i8*, ...)* @printf(i8* getelementptr ([5 x i8]* @"\01LC", i32 0, i32 0), i32 %9) nounwind ; <i32> [#uses=0]
store i32 0, i32* %0, align 4
%11 = load i32* %0, align 4 ; <i32> [#uses=1]
store i32 %11, i32* %retval, align 4
br label %return
return: ; preds = %bb2
%retval3 = load i32* %retval ; <i32> [#uses=1]
ret i32 %retval3
}
declare i32 @atoi(i8*)
declare i32 @printf(i8*, ...) nounwind