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llvm-mirror/test/Feature/indirectcall.ll
Tanya Lattner 726c082fd5 Remove llvm-upgrade and update tests.
llvm-svn: 47784
2008-03-01 07:38:40 +00:00

50 lines
1.6 KiB
LLVM

; RUN: llvm-as < %s | llvm-dis > %t1.ll
; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
; RUN: diff %t1.ll %t2.ll
declare i32 @atoi(i8*)
define i64 @fib(i64 %n) {
icmp ult i64 %n, 2 ; <i1>:1 [#uses=1]
br i1 %1, label %BaseCase, label %RecurseCase
BaseCase: ; preds = %0
ret i64 1
RecurseCase: ; preds = %0
%n2 = sub i64 %n, 2 ; <i64> [#uses=1]
%n1 = sub i64 %n, 1 ; <i64> [#uses=1]
%f2 = call i64 @fib( i64 %n2 ) ; <i64> [#uses=1]
%f1 = call i64 @fib( i64 %n1 ) ; <i64> [#uses=1]
%result = add i64 %f2, %f1 ; <i64> [#uses=1]
ret i64 %result
}
define i64 @realmain(i32 %argc, i8** %argv) {
; <label>:0
icmp eq i32 %argc, 2 ; <i1>:1 [#uses=1]
br i1 %1, label %HasArg, label %Continue
HasArg: ; preds = %0
%n1 = add i32 1, 1 ; <i32> [#uses=1]
br label %Continue
Continue: ; preds = %HasArg, %0
%n = phi i32 [ %n1, %HasArg ], [ 1, %0 ] ; <i32> [#uses=1]
%N = sext i32 %n to i64 ; <i64> [#uses=1]
%F = call i64 @fib( i64 %N ) ; <i64> [#uses=1]
ret i64 %F
}
define i64 @trampoline(i64 %n, i64 (i64)* %fibfunc) {
%F = call i64 %fibfunc( i64 %n ) ; <i64> [#uses=1]
ret i64 %F
}
define i32 @main() {
%Result = call i64 @trampoline( i64 10, i64 (i64)* @fib ) ; <i64> [#uses=1]
%Result.upgrd.1 = trunc i64 %Result to i32 ; <i32> [#uses=1]
ret i32 %Result.upgrd.1
}