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| author | Chris Lattner <sabre@nondot.org> | 2009-11-12 01:41:34 +0000 | 
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-11-12 01:41:34 +0000 | 
| commit | ba4561695890335ae7f089f7872a4d2d09236aed (patch) | |
| tree | 5b5b3774668ed02cb46d261b74b4c19ba9da8147 /llvm/test/Transforms | |
| parent | 3f80d8519130ab0d9139f0023076bd18216d6c5f (diff) | |
| download | bcm5719-llvm-ba4561695890335ae7f089f7872a4d2d09236aed.tar.gz bcm5719-llvm-ba4561695890335ae7f089f7872a4d2d09236aed.zip | |
with the new code we can thread non-instruction values.  This
allows us to handle the test10 testcase.
llvm-svn: 86924
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/JumpThreading/basic.ll | 42 | 
1 files changed, 40 insertions, 2 deletions
| diff --git a/llvm/test/Transforms/JumpThreading/basic.ll b/llvm/test/Transforms/JumpThreading/basic.ll index 514c865f9c9..4a1a2868cae 100644 --- a/llvm/test/Transforms/JumpThreading/basic.ll +++ b/llvm/test/Transforms/JumpThreading/basic.ll @@ -285,12 +285,50 @@ F2: +; CHECK: @test10 +declare i32 @test10f1() +declare i32 @test10f2() +declare void @test10f3() + +;; Non-local condition threading. +define i32 @test10(i1 %cond) { +; CHECK: @test10 +; CHECK-NEXT:   br i1 %cond, label %T2, label %F2 +        br i1 %cond, label %T1, label %F1 + +T1: +        %v1 = call i32 @test10f1() +        br label %Merge +         +; CHECK: %v1 = call i32 @test10f1() +; CHECK-NEXT: call void @f3() +; CHeCK-NEXT: ret i32 %v1 + +F1: +        %v2 = call i32 @test10f2() +        br label %Merge + +Merge: +        %B = phi i32 [%v1, %T1], [%v2, %F1] +        br i1 %cond, label %T2, label %F2 + +T2: +        call void @f3() +        ret i32 %B + +F2: +        ret i32 %B +} + + + +  ;;; Duplicate condition to avoid xor of cond.  ;;; TODO: Make this happen. -define i32 @test10(i1 %cond, i1 %cond2) { +define i32 @test11(i1 %cond, i1 %cond2) {  Entry: -; CHECK: @test10 +; CHECK: @test11  	%v1 = call i32 @f1()  	br i1 %cond, label %Merge, label %F1 | 

