diff --git a/llvm/test/CodeGen/X86/2011-09-14-valcoalesce.ll b/llvm/test/CodeGen/X86/2011-09-14-valcoalesce.ll index 4c3f7896d20b..765be415abb5 100644 --- a/llvm/test/CodeGen/X86/2011-09-14-valcoalesce.ll +++ b/llvm/test/CodeGen/X86/2011-09-14-valcoalesce.ll @@ -1,4 +1,4 @@ -; RUN: llc < %s -march=x86 +; RUN: llc < %s -march=x86 | FileCheck %s ; ; Test RegistersDefinedFromSameValue. We have multiple copies of the same vreg: ; while.body85.i: @@ -14,12 +14,28 @@ ; Prior to fixing PR10920 401.bzip miscompile, the coalescer would ; consider vreg1 and vreg27 to be copies of the same value. It would ; then remove one of the critical edge copes, which cannot safely be removed. +; +; CHECK: ## %while.body85.i +; CHECK-NOT: ## % +; CHECK-NOT: add +; CHECK: movl %[[POSTR:e[abcdxi]+]], %[[PRER:e[abcdxi]+]] +; CHECK: addl %{{.*}}, %[[POSTR]] +; CHECK: ## %while.end.i +; CHECK: movl %[[POSTR]], %[[USER:e[abcdxi]+]] +; CHECK: ## %land.lhs.true.i +; CHECK: movl %[[POSTR]], %[[USER]] +; CHECK: ## %land.lhs.true103.i +; CHECK: movl %[[POSTR]], %[[USER]] +; CHECK: ## %if.then108.i +; [[PRER] live out, so nothing on this path should define it. +; CHECK-NOT: , %[[PRER]] +; CHECK: ## %if.end117.i target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32" @.str3 = external unnamed_addr constant [59 x i8], align 1 -define void @test() nounwind ssp { +define void @BZ2_compressBlock() nounwind ssp { entry: br i1 undef, label %if.then68, label %if.end85 @@ -42,45 +58,54 @@ for.cond.for.cond19.preheader_crit_edge.i: ; preds = %makeMaps_e.exit.i unreachable for.cond19.preheader.i: ; preds = %makeMaps_e.exit.i + br i1 undef, label %for.body25.lr.ph.i, label %for.cond33.preheader.i + +for.body25.lr.ph.i: ; preds = %for.cond19.preheader.i + br label %for.body25.i + +for.cond33.preheader.i: ; preds = %for.body25.i, %for.cond19.preheader.i br i1 undef, label %if.then.i, label %if.end.i -if.then.i: ; preds = %for.cond19.preheader.i +for.body25.i: ; preds = %for.body25.i, %for.body25.lr.ph.i + br i1 undef, label %for.body25.i, label %for.cond33.preheader.i + +if.then.i: ; preds = %for.cond33.preheader.i br label %if.end.i -if.end.i: ; preds = %if.then.i, %for.cond19.preheader.i +if.end.i: ; preds = %if.then.i, %for.cond33.preheader.i br i1 undef, label %for.inc27.us.5.i, label %for.end30.i -for.end30.i: ; preds = %if.end.i +for.end30.i: ; preds = %for.inc27.us.5.i, %if.end.i br i1 undef, label %if.end36.i, label %if.then35.i if.then35.i: ; preds = %for.end30.i unreachable if.end36.i: ; preds = %for.end30.i + %sub83.i = add nsw i32 undef, 1 br label %while.body.i188 -for.cond182.preheader.i: ; preds = %for.cond138.preheader.i - unreachable +for.cond182.preheader.i: ; preds = %for.end173.i + br i1 undef, label %for.inc220.us.i, label %while.body300.preheader.i -while.body.i188: ; preds = %for.cond138.preheader.i, %if.end36.i - %sub.i187 = add nsw i32 0, -1 - br i1 undef, label %while.body85.i, label %if.end117.i +while.body.i188: ; preds = %for.end173.i, %if.end36.i + %gs.0526.i = phi i32 [ 0, %if.end36.i ], [ %add177.i, %for.end173.i ] + %or.cond514517.i = and i1 false, undef + br i1 %or.cond514517.i, label %while.body85.i, label %if.end117.i while.body85.i: ; preds = %while.body85.i, %while.body.i188 - %ge.0519.i = phi i32 [ %inc87.i, %while.body85.i ], [ %sub.i187, %while.body.i188 ] %aFreq.0518.i = phi i32 [ %add93.i, %while.body85.i ], [ 0, %while.body.i188 ] - %inc87.i = add nsw i32 %ge.0519.i, 1 + %inc87.i = add nsw i32 0, 1 %tmp91.i = load i32* undef, align 4, !tbaa !0 %add93.i = add nsw i32 %tmp91.i, %aFreq.0518.i - %cmp84.i = icmp slt i32 %inc87.i, undef - %or.cond514.i = and i1 undef, %cmp84.i + %or.cond514.i = and i1 undef, false br i1 %or.cond514.i, label %while.body85.i, label %while.end.i while.end.i: ; preds = %while.body85.i br i1 undef, label %land.lhs.true.i, label %if.end117.i land.lhs.true.i: ; preds = %while.end.i - br i1 undef, label %if.end117.i, label %land.lhs.true103.i + br i1 undef, label %land.lhs.true103.i, label %if.end117.i land.lhs.true103.i: ; preds = %land.lhs.true.i br i1 undef, label %if.then108.i, label %if.end117.i @@ -89,21 +114,55 @@ if.then108.i: ; preds = %land.lhs.true103.i br label %if.end117.i if.end117.i: ; preds = %if.then108.i, %land.lhs.true103.i, %land.lhs.true.i, %while.end.i, %while.body.i188 - %aFreq.1.i = phi i32 [ %aFreq.0518.i, %if.then108.i ], [ %add93.i, %land.lhs.true103.i ], [ %add93.i, %while.end.i ], [ 0, %while.body.i188 ], [ %add93.i, %land.lhs.true.i ] - %cmp121.i = icmp sgt i32 undef, 2 - br i1 %cmp121.i, label %if.then122.i, label %for.cond138.preheader.i + %aFreq.1.i = phi i32 [ %aFreq.0518.i, %if.then108.i ], [ %add93.i, %land.lhs.true103.i ], [ %add93.i, %land.lhs.true.i ], [ %add93.i, %while.end.i ], [ 0, %while.body.i188 ] + %ge.1.i = phi i32 [ 0, %if.then108.i ], [ %inc87.i, %land.lhs.true103.i ], [ %inc87.i, %land.lhs.true.i ], [ %inc87.i, %while.end.i ], [ 0, %while.body.i188 ] + br i1 undef, label %if.then122.i, label %for.cond138.preheader.i if.then122.i: ; preds = %if.end117.i - call void (...)* @fprintf(i32 undef, i32 0, i32 undef, i32 %aFreq.1.i, double undef) nounwind - unreachable + call void (...)* @fprintf(i32 undef, i32 %gs.0526.i, i32 %ge.1.i, i32 %aFreq.1.i, double undef) nounwind + br label %for.cond138.preheader.i -for.cond138.preheader.i: ; preds = %if.end117.i +for.cond138.preheader.i: ; preds = %if.then122.i, %if.end117.i + br i1 undef, label %for.body143.lr.ph.i, label %for.end173.i + +for.body143.lr.ph.i: ; preds = %for.cond138.preheader.i + br label %for.body143.i + +for.body143.i: ; preds = %for.body143.i, %for.body143.lr.ph.i + br i1 undef, label %for.end173.i, label %for.body143.i + +for.end173.i: ; preds = %for.body143.i, %for.cond138.preheader.i + %add177.i = add nsw i32 %ge.1.i, 1 %cmp73.i = icmp sgt i32 undef, 0 br i1 %cmp73.i, label %while.body.i188, label %for.cond182.preheader.i -for.inc27.us.5.i: ; preds = %if.end.i +for.inc220.us.i: ; preds = %for.cond182.preheader.i unreachable +while.body300.preheader.i: ; preds = %for.cond182.preheader.i + br i1 undef, label %for.end335.i, label %while.end2742.i + +for.end335.i: ; preds = %for.end2039.i, %while.body300.preheader.i + br label %for.body2021.i + +for.body2021.i: ; preds = %for.body2021.i, %for.end335.i + br i1 undef, label %for.body2021.i, label %for.end2039.i + +for.end2039.i: ; preds = %for.body2021.i + br label %for.end335.i + +while.end2742.i: ; preds = %while.body300.preheader.i + br i1 undef, label %if.then2748.i, label %for.body2778.i + +if.then2748.i: ; preds = %while.end2742.i + unreachable + +for.body2778.i: ; preds = %while.end2742.i + unreachable + +for.inc27.us.5.i: ; preds = %if.end.i + br label %for.end30.i + if.end85: ; preds = %entry ret void }