llvm-6502/test/Transforms/SimplifyCFG/branch-phi-thread.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

67 lines
1.3 KiB
LLVM

; RUN: opt < %s -simplifycfg -adce -S | \
; RUN: not grep {call void @f1}
; END.
declare void @f1()
declare void @f2()
declare void @f3()
declare void @f4()
define i32 @test1(i32 %X, i1 %D) {
E:
%C = icmp eq i32 %X, 0 ; <i1> [#uses=2]
br i1 %C, label %T, label %F
T: ; preds = %A, %E
br i1 %C, label %B, label %A
A: ; preds = %T
call void @f1( )
br i1 %D, label %T, label %F
B: ; preds = %T
call void @f2( )
ret i32 345
F: ; preds = %A, %E
call void @f3( )
ret i32 123
}
define i32 @test2(i32 %X, i1 %D) {
E:
%C = icmp eq i32 %X, 0 ; <i1> [#uses=2]
br i1 %C, label %T, label %F
T: ; preds = %A, %E
%P = phi i1 [ true, %E ], [ %C, %A ] ; <i1> [#uses=1]
br i1 %P, label %B, label %A
A: ; preds = %T
call void @f1( )
br i1 %D, label %T, label %F
B: ; preds = %T
call void @f2( )
ret i32 345
F: ; preds = %A, %E
call void @f3( )
ret i32 123
}
define i32 @test3(i32 %X, i1 %D, i32* %AP, i32* %BP) {
E:
%C = icmp eq i32 %X, 0 ; <i1> [#uses=2]
br i1 %C, label %T, label %F
T: ; preds = %A, %E
call void @f3( )
%XX = load i32* %AP ; <i32> [#uses=1]
store i32 %XX, i32* %BP
br i1 %C, label %B, label %A
A: ; preds = %T
call void @f1( )
br i1 %D, label %T, label %F
B: ; preds = %T
call void @f2( )
ret i32 345
F: ; preds = %A, %E
call void @f3( )
ret i32 123
}