From ee9c595885636ccec635a82ffd49c5ab825c7839 Mon Sep 17 00:00:00 2001 From: David Greene Date: Fri, 15 Jan 2010 23:23:41 +0000 Subject: Fix PR6019. A load has more than one use if it feeds a bitconvert that has more than one use. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93576 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/2010-01-15-SelectionDAGCycle.ll | 28 ++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 test/CodeGen/X86/2010-01-15-SelectionDAGCycle.ll (limited to 'test/CodeGen') diff --git a/test/CodeGen/X86/2010-01-15-SelectionDAGCycle.ll b/test/CodeGen/X86/2010-01-15-SelectionDAGCycle.ll new file mode 100644 index 0000000000..5d96e4a192 --- /dev/null +++ b/test/CodeGen/X86/2010-01-15-SelectionDAGCycle.ll @@ -0,0 +1,28 @@ +; RUN: llc < %s -march=x86-64 +; ModuleID = 'bugpoint-reduced-simplified.bc' +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" +target triple = "x86_64-unknown-linux-gnu" + +define void @numvec_(i32* noalias %ncelet, i32* noalias %ncel, i32* noalias %nfac, i32* noalias %nfabor, i32* noalias %lregis, i32* noalias %irveci, i32* noalias %irvecb, [0 x [2 x i32]]* noalias %ifacel, [0 x i32]* noalias %ifabor, [0 x i32]* noalias %inumfi, [0 x i32]* noalias %inumfb, [1 x i32]* noalias %iworkf, [0 x i32]* noalias %ismbs) { +"file bug754399.f90, line 1, bb1": + %r1037 = bitcast <2 x double> zeroinitializer to <4 x i32> ; <<4 x i32>> [#uses=1] + br label %"file bug754399.f90, line 184, in inner vector loop at depth 0, bb164" + +"file bug754399.f90, line 184, in inner vector loop at depth 0, bb164": ; preds = %"file bug754399.f90, line 184, in inner vector loop at depth 0, bb164", %"file bug754399.f90, line 1, bb1" + %tmp641 = add i64 0, 48 ; [#uses=1] + %tmp641642 = inttoptr i64 %tmp641 to <4 x i32>* ; <<4 x i32>*> [#uses=1] + %r1258 = load <4 x i32>* %tmp641642, align 4 ; <<4 x i32>> [#uses=2] + %r1295 = extractelement <4 x i32> %r1258, i32 3 ; [#uses=1] + %r1296 = sext i32 %r1295 to i64 ; [#uses=1] + %r1297 = add i64 %r1296, -1 ; [#uses=1] + %r1298183 = getelementptr [0 x i32]* %ismbs, i64 0, i64 %r1297 ; [#uses=1] + %r1298184 = load i32* %r1298183, align 4 ; [#uses=1] + %r1301 = extractelement <4 x i32> %r1037, i32 3 ; [#uses=1] + %r1302 = mul i32 %r1298184, %r1301 ; [#uses=1] + %r1306 = insertelement <4 x i32> zeroinitializer, i32 %r1302, i32 3 ; <<4 x i32>> [#uses=1] + %r1321 = add <4 x i32> %r1306, %r1258 ; <<4 x i32>> [#uses=1] + %tmp643 = add i64 0, 48 ; [#uses=1] + %tmp643644 = inttoptr i64 %tmp643 to <4 x i32>* ; <<4 x i32>*> [#uses=1] + store <4 x i32> %r1321, <4 x i32>* %tmp643644, align 4 + br label %"file bug754399.f90, line 184, in inner vector loop at depth 0, bb164" +} -- cgit v1.2.3