; RUN: llc < %s -asm-verbose=false -O3 -mtriple=armv5e-none-linux-gnueabi | FileCheck %s ; PR8986: PostRA antidependence breaker must respect "earlyclobber". ; armv5e generates mulv5 that cannot used the same reg for src/dest. ; ModuleID = '<stdin>' target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:128-a0:0:64-n32" target triple = "armv5e-none-linux-gnueabi" define hidden fastcc void @storeAtts() nounwind { entry: %.SV116 = alloca i8** br i1 undef, label %meshBB520, label %meshBB464 bb15: ; preds = %meshBB424 br i1 undef, label %bb216, label %meshBB396 bb22: ; preds = %meshBB396 br label %cBB564 cBB564: ; preds = %cBB564, %bb22 br label %cBB564 poolStoreString.exit.thread: ; preds = %meshBB424 ret void bb78: ; preds = %meshBB412 unreachable bb129: ; preds = %meshBB540 br i1 undef, label %bb131.loopexit, label %meshBB540 bb131.loopexit: ; preds = %bb129 br label %bb131 bb131: ; preds = %bb135, %bb131.loopexit br i1 undef, label %bb134, label %meshBB396 bb134: ; preds = %bb131 unreachable bb135: ; preds = %meshBB396 %uriHash.1.phi.load = load i32, i32* undef %.load120 = load i8**, i8*** %.SV116 %.phi24 = load i8, i8* null %.phi26 = load i8*, i8** null store i8 %.phi24, i8* %.phi26, align 1 %0 = getelementptr inbounds i8, i8* %.phi26, i32 1 store i8* %0, i8** %.load120, align 4 ; CHECK: mul [[REGISTER:lr|r[0-9]+]], ; CHECK-NOT: [[REGISTER]], ; CHECK: {{(lr|r[0-9]+)$}} %1 = mul i32 %uriHash.1.phi.load, 1000003 %2 = xor i32 0, %1 store i32 %2, i32* null %3 = load i8, i8* null, align 1 %4 = icmp eq i8 %3, 0 store i8* %0, i8** undef br i1 %4, label %meshBB472, label %bb131 bb212: ; preds = %meshBB540 unreachable bb216: ; preds = %bb15 ret void meshBB396: ; preds = %bb131, %bb15 br i1 undef, label %bb135, label %bb22 meshBB412: ; preds = %meshBB464 br i1 undef, label %meshBB504, label %bb78 meshBB424: ; preds = %meshBB464 br i1 undef, label %poolStoreString.exit.thread, label %bb15 meshBB464: ; preds = %entry br i1 undef, label %meshBB424, label %meshBB412 meshBB472: ; preds = %meshBB504, %bb135 unreachable meshBB504: ; preds = %meshBB412 br label %meshBB472 meshBB520: ; preds = %entry br label %meshBB540 meshBB540: ; preds = %meshBB520, %bb129 br i1 undef, label %bb212, label %bb129 }