From 009b1c42aa6266385f2c37e227516b24077e6dd7 Mon Sep 17 00:00:00 2001 From: Ed Schouten Date: Tue, 2 Jun 2009 17:52:33 +0000 Subject: Import LLVM, at r72732. --- test/CodeGen/PowerPC/delete-node.ll | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 test/CodeGen/PowerPC/delete-node.ll (limited to 'test/CodeGen/PowerPC/delete-node.ll') diff --git a/test/CodeGen/PowerPC/delete-node.ll b/test/CodeGen/PowerPC/delete-node.ll new file mode 100644 index 0000000000000..0b1d734f8a8c0 --- /dev/null +++ b/test/CodeGen/PowerPC/delete-node.ll @@ -0,0 +1,22 @@ +; RUN: llvm-as < %s | llc -march=ppc32 + +; The DAGCombiner leaves behind a dead node in this testcase. Currently +; ISel is ignoring dead nodes, though it would be preferable for +; DAGCombiner to be able to eliminate the dead node. + +define void @GrayATo32ARGBTabB(i8* %baseAddr, i16** %cmp, i32 %rowBytes) nounwind { +entry: + br label %bb1 + +bb1: ; preds = %bb1, %entry + %0 = load i16* null, align 2 ; [#uses=1] + %1 = ashr i16 %0, 4 ; [#uses=1] + %2 = sext i16 %1 to i32 ; [#uses=1] + %3 = getelementptr i8* null, i32 %2 ; [#uses=1] + %4 = load i8* %3, align 1 ; [#uses=1] + %5 = zext i8 %4 to i32 ; [#uses=1] + %6 = shl i32 %5, 24 ; [#uses=1] + %7 = or i32 0, %6 ; [#uses=1] + store i32 %7, i32* null, align 4 + br label %bb1 +} -- cgit v1.2.3