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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=mergeicmps -verify-dom-info -S | FileCheck %s3 4target triple = "x86_64"5 6; This is very much not an x86 ABI, in current use, but we're testing7; that we've fixed a bug where accumulateConstantOffset() was called incorrectly.8target datalayout = "e-p:64:64:64:32"9 10; Define a cunstom data layout that has index width < pointer width11; and make sure that doesn't break anything12define void @fat_ptrs(ptr dereferenceable(16) %a, ptr dereferenceable(16) %b) {13; CHECK-LABEL: @fat_ptrs(14; CHECK-NEXT: bb0:15; CHECK-NEXT: [[PTR_A1:%.*]] = getelementptr inbounds [2 x i64], ptr [[A:%.*]], i32 0, i32 116; CHECK-NEXT: [[PTR_B1:%.*]] = getelementptr inbounds [2 x i64], ptr [[B:%.*]], i32 0, i32 117; CHECK-NEXT: br label %"bb1+bb2"18; CHECK: "bb1+bb2":19; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(ptr [[A]], ptr [[B]], i32 16)20; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i32 [[MEMCMP]], 021; CHECK-NEXT: br label [[BB3:%.*]]22; CHECK: bb3:23; CHECK-NEXT: ret void24;25bb0:26 %ptr_a1 = getelementptr inbounds [2 x i64], ptr %a, i32 0, i32 127 %ptr_b1 = getelementptr inbounds [2 x i64], ptr %b, i32 0, i32 128 br label %bb129 30bb1: ; preds = %bb031 %a0 = load i64, ptr %a32 %b0 = load i64, ptr %b33 %cond0 = icmp eq i64 %a0, %b034 br i1 %cond0, label %bb2, label %bb335 36bb2: ; preds = %bb137 %a1 = load i64, ptr %ptr_a138 %b1 = load i64, ptr %ptr_b139 %cond1 = icmp eq i64 %a1, %b140 br label %bb341 42bb3: ; preds = %bb2, %bb143 %necessary = phi i1 [ %cond1, %bb2 ], [ false, %bb1 ]44 ret void45}46