From 823572d44d99817e3bb795f6cb9615ca2a7558b6 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 5 May 2007 18:48:52 +0000 Subject: new testcase for PR1385 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36783 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../LoopUnroll/2007-05-05-UnrollMiscomp.ll | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 test/Transforms/LoopUnroll/2007-05-05-UnrollMiscomp.ll (limited to 'test/Transforms/LoopUnroll') diff --git a/test/Transforms/LoopUnroll/2007-05-05-UnrollMiscomp.ll b/test/Transforms/LoopUnroll/2007-05-05-UnrollMiscomp.ll new file mode 100644 index 0000000..44890a6 --- /dev/null +++ b/test/Transforms/LoopUnroll/2007-05-05-UnrollMiscomp.ll @@ -0,0 +1,36 @@ +; RUN: llvm-as < %s | opt -loop-unroll | llvm-dis | not grep undef +; PR1385 + +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" +target triple = "i686-apple-darwin8" + %struct.__mpz_struct = type { i32, i32, i32* } + + +define void @Foo(%struct.__mpz_struct* %base) { +entry: + %want = alloca [1 x %struct.__mpz_struct], align 16 ; <[1 x %struct.__mpz_struct]*> [#uses=4] + %want1 = getelementptr [1 x %struct.__mpz_struct]* %want, i32 0, i32 0 ; <%struct.__mpz_struct*> [#uses=1] + call void @__gmpz_init( %struct.__mpz_struct* %want1 ) + %want27 = getelementptr [1 x %struct.__mpz_struct]* %want, i32 0, i32 0 ; <%struct.__mpz_struct*> [#uses=1] + %want3 = getelementptr [1 x %struct.__mpz_struct]* %want, i32 0, i32 0 ; <%struct.__mpz_struct*> [#uses=1] + %want2 = getelementptr [1 x %struct.__mpz_struct]* %want, i32 0, i32 0 ; <%struct.__mpz_struct*> [#uses=2] + br label %bb + +bb: ; preds = %bb, %entry + %i.01.0 = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; [#uses=1] + %want23.0 = phi %struct.__mpz_struct* [ %want27, %entry ], [ %want2, %bb ] ; <%struct.__mpz_struct*> [#uses=1] + call void @__gmpz_mul( %struct.__mpz_struct* %want23.0, %struct.__mpz_struct* %want3, %struct.__mpz_struct* %base ) + %indvar.next = add i32 %i.01.0, 1 ; [#uses=2] + %exitcond = icmp ne i32 %indvar.next, 2 ; [#uses=1] + br i1 %exitcond, label %bb, label %bb10 + +bb10: ; preds = %bb + %want2.lcssa = phi %struct.__mpz_struct* [ %want2, %bb ] ; <%struct.__mpz_struct*> [#uses=1] + call void @__gmpz_clear( %struct.__mpz_struct* %want2.lcssa ) + ret void +} + +declare void @__gmpz_init(%struct.__mpz_struct*) +declare void @__gmpz_mul(%struct.__mpz_struct*, %struct.__mpz_struct*, %struct.__mpz_struct*) +declare void @__gmpz_clear(%struct.__mpz_struct*) + -- cgit v1.1