From 5bd2db38f88d398a93e9f3844a46f60dc180c778 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Mon, 11 Dec 2006 00:12:07 +0000 Subject: [PATCH] testcase for a regression introduced by the recent cast patch git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32419 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../IndVarsSimplify/2006-12-10-BitCast.ll | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 test/Transforms/IndVarsSimplify/2006-12-10-BitCast.ll diff --git a/test/Transforms/IndVarsSimplify/2006-12-10-BitCast.ll b/test/Transforms/IndVarsSimplify/2006-12-10-BitCast.ll new file mode 100644 index 00000000000..b5845393399 --- /dev/null +++ b/test/Transforms/IndVarsSimplify/2006-12-10-BitCast.ll @@ -0,0 +1,38 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output + +target datalayout = "e-p:32:32" +target endian = little +target pointersize = 32 +target triple = "i686-apple-darwin8" + %struct.vorbis_dsp_state = type { int, %struct.vorbis_info*, float**, float**, int, int, int, int, int, int, int, int, int, long, long, long, long, long, long, sbyte* } + %struct.vorbis_info = type { int, int, int, int, int, int, int, sbyte* } + +implementation ; Functions: + +void %_ve_envelope_search() { +entry: + br bool false, label %cond_true27, label %bb137 + +cond_true27: ; preds = %entry + br bool false, label %cond_true52, label %bb80 + +cond_true52: ; preds = %cond_true27 + %tmp152.i = bitcast float 0.000000e+00 to uint ; [#uses=1] + br label %cond_next182.i + +cond_next182.i: ; preds = %cond_next182.i, %cond_true52 + %decay.i.0 = phi uint [ %tmp195.i, %cond_next182.i ], [ %tmp152.i, %cond_true52 ] ; [#uses=1] + %tmp194.i53 = bitcast uint %decay.i.0 to float ; [#uses=1] + %tmp195.i = sub float %tmp194.i53, 8.000000e+00 ; [#uses=1] + %tmp195.i = bitcast float %tmp195.i to uint ; [#uses=1] + br bool false, label %cond_next182.i, label %bb418.i.preheader + +bb418.i.preheader: ; preds = %cond_next182.i + ret void + +bb80: ; preds = %cond_true27 + ret void + +bb137: ; preds = %entry + ret void +} -- 2.34.1