From 474c8fe9b73c441fd63a931f9a12475a72b37231 Mon Sep 17 00:00:00 2001 From: Max Kazantsev Date: Wed, 21 Dec 2022 11:38:17 +0700 Subject: [PATCH] [Test] Precommit test for PR59615 --- llvm/test/Transforms/IndVarSimplify/X86/pr59615.ll | 83 ++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 llvm/test/Transforms/IndVarSimplify/X86/pr59615.ll diff --git a/llvm/test/Transforms/IndVarSimplify/X86/pr59615.ll b/llvm/test/Transforms/IndVarSimplify/X86/pr59615.ll new file mode 100644 index 0000000..71f9d90 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/X86/pr59615.ll @@ -0,0 +1,83 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt -passes='loop(indvars),verify' -S < %s | FileCheck %s + +target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128-ni:1-p2:32:8:8:32-ni:2" +target triple = "x86_64-unknown-linux-gnu" + +define void @test() { +; CHECK-LABEL: @test( +; CHECK-NEXT: bb: +; CHECK-NEXT: [[VAR:%.*]] = load atomic i32, ptr addrspace(1) poison unordered, align 8, !range [[RNG0:![0-9]+]], !invariant.load !1, !noundef !1 +; CHECK-NEXT: [[VAR1:%.*]] = add nsw i32 [[VAR]], -1 +; CHECK-NEXT: [[VAR2:%.*]] = icmp eq i32 [[VAR]], 0 +; CHECK-NEXT: br i1 [[VAR2]], label [[BB18:%.*]], label [[BB19:%.*]] +; CHECK: bb3: +; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[BB19]] ], [ [[INDVARS_IV_NEXT:%.*]], [[BB12:%.*]] ] +; CHECK-NEXT: [[TMP0:%.*]] = sub nsw i64 [[TMP3:%.*]], [[INDVARS_IV]] +; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[TMP0]] to i32 +; CHECK-NEXT: [[VAR6:%.*]] = icmp ult i32 [[TMP1]], [[VAR]] +; CHECK-NEXT: br i1 [[VAR6]], label [[BB8:%.*]], label [[BB7:%.*]] +; CHECK: bb7: +; CHECK-NEXT: ret void +; CHECK: bb8: +; CHECK-NEXT: [[VAR9:%.*]] = load atomic i32, ptr addrspace(1) poison unordered, align 8, !range [[RNG0]], !invariant.load !1, !noundef !1 +; CHECK-NEXT: [[TMP2:%.*]] = zext i32 [[VAR9]] to i64 +; CHECK-NEXT: [[VAR10:%.*]] = icmp ult i64 [[INDVARS_IV]], [[TMP2]] +; CHECK-NEXT: br i1 [[VAR10]], label [[BB12]], label [[BB11:%.*]] +; CHECK: bb11: +; CHECK-NEXT: ret void +; CHECK: bb12: +; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 +; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT]], [[WIDE_TRIP_COUNT:%.*]] +; CHECK-NEXT: br i1 [[EXITCOND]], label [[BB3:%.*]], label [[BB17:%.*]] +; CHECK: bb17: +; CHECK-NEXT: unreachable +; CHECK: bb18: +; CHECK-NEXT: ret void +; CHECK: bb19: +; CHECK-NEXT: [[TMP3]] = sext i32 [[VAR1]] to i64 +; CHECK-NEXT: [[WIDE_TRIP_COUNT]] = zext i32 [[VAR]] to i64 +; CHECK-NEXT: br label [[BB3]] +; +bb: + %var = load atomic i32, ptr addrspace(1) poison unordered, align 8, !range !0, !invariant.load !1, !noundef !1 + %var1 = add nsw i32 %var, -1 + %var2 = icmp eq i32 %var, 0 + br i1 %var2, label %bb18, label %bb19 + +bb3: ; preds = %bb19, %bb12 + %var4 = phi i32 [ %var15, %bb12 ], [ 0, %bb19 ] + %var5 = sub nsw i32 %var1, %var4 + %var6 = icmp ult i32 %var5, %var + br i1 %var6, label %bb8, label %bb7 + +bb7: ; preds = %bb3 + ret void + +bb8: ; preds = %bb3 + %var9 = load atomic i32, ptr addrspace(1) poison unordered, align 8, !range !0, !invariant.load !1, !noundef !1 + %var10 = icmp ult i32 %var4, %var9 + br i1 %var10, label %bb12, label %bb11 + +bb11: ; preds = %bb8 + ret void + +bb12: ; preds = %bb8 + %var13 = zext i32 %var4 to i64 + %var14 = getelementptr inbounds i32, ptr addrspace(1) poison, i64 %var13 + %var15 = add nuw nsw i32 %var4, 1 + %var16 = icmp ult i32 %var15, %var + br i1 %var16, label %bb3, label %bb17 + +bb17: ; preds = %bb12 + unreachable + +bb18: ; preds = %bb + ret void + +bb19: ; preds = %bb + br label %bb3 +} + +!0 = !{i32 0, i32 2147483646} +!1 = !{} -- 2.7.4