From ad92ac2ec9ee9a90381808657c9a79264afc0b66 Mon Sep 17 00:00:00 2001 From: Nick Lewycky <nicholas@mxc.ca> Date: Thu, 14 Feb 2008 07:15:11 +0000 Subject: Testcase for PR2032. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47113 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/GVN/2008-02-13-NewPHI.ll | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 test/Transforms/GVN/2008-02-13-NewPHI.ll diff --git a/test/Transforms/GVN/2008-02-13-NewPHI.ll b/test/Transforms/GVN/2008-02-13-NewPHI.ll new file mode 100644 index 0000000..d3e3251 --- /dev/null +++ b/test/Transforms/GVN/2008-02-13-NewPHI.ll @@ -0,0 +1,22 @@ +; RUN: llvm-as < %s | opt -anders-aa -gvn +; PR2032 + +define i32 @sscal(i32 %n, double %sa1, float* %sx, i32 %incx) { +entry: + %sx_addr = alloca float* ; <float**> [#uses=3] + store float* %sx, float** %sx_addr, align 4 + br label %bb33 + +bb: ; preds = %bb33 + %tmp27 = load float** %sx_addr, align 4 ; <float*> [#uses=1] + store float 0.000000e+00, float* %tmp27, align 4 + store float* null, float** %sx_addr, align 4 + br label %bb33 + +bb33: ; preds = %bb, %entry + br i1 false, label %bb, label %return + +return: ; preds = %bb33 + %retval59 = load i32* null, align 4 ; <i32> [#uses=1] + ret i32 %retval59 +} -- cgit v1.1